Tribological behavior of superhard amorphous carbon films (2009)
Due to their unique combination of low adhesion, high abrasive resistance and chemical inertness, the amorphous carbon films are increasingly becoming established as optimum tribological coatings for...
Tribologisches Verhalten von harten und superharten Kohlenstoffschichten (2008)
Das Reibungsverhalten amorpher Kohlenstoffschichten wird durch die feste Anbindung monomolekularer Bedeckungen bestimmt. Sie bedingen die sehr geringe Reibung in normaler (feuchter) Luft, ihr Fehlen...
Vorrichtung und Verfahren zur Herstellung von Kohlenstoff-Nanoroehren oder Fullerenen (2008)
Maercz, M., Leistner, M., Hopfe, V., Graehlert, W., Dani, I., Schultrich, B.
DE 102008033660 A1 UPAB: 20100209 NOVELTY - The device has a synthesis zone (1) including a carbon nanotube or fullerene forming unit (12) connected to a carrier gas supply unit. A...
Zimmer, O., Siemroth, P., Schultrich, B., Schenk, S., Seyfert, U., Hecht, C., ...
WO2003095698 A UPAB: 20040102 NOVELTY - A device for electron beam attenuation of reactively formed layers on substrates comprises a crucible (7) containing a chemical element (8), a substrate (4) to...
Structural characterization of diamond-like carbon films for ultracold neutron applications (2007)
Atchison, F., Brys, T., Daum, M., Fierlinger, P., Foelske, A., Gupta, A., ...
Hydrogen-free DLC (diamond-like carbon) films were produced by vacuum arc deposition for use as wall coating material in UCN (ultracold neutron) applications. The sp(exp 3) fraction, the main quality...
Optimierung durch Simulation - Simulationssystem SimCoat zur Optimierung der PVD-Beschichtung (2007)
Es wird ein Simulationssystem vorgestellt, daß geeignet ist die Vakuumbogenbeschichtung zur Herstellung von tribologisch harten Schutzschichten für Komponenten und Werkzeuge zu optimieren. Damit...
Verfahren zur Bearbeitung von Oberflaechen einer Beschichtung aus hartem Kohlenstoff (2007)
EP 1829986 A1 UPAB: 20071008 NOVELTY - In a process to polish a hard carbon surface that is bonded with a substrate material, the surface is polished by a metal brush or plate (4) attached to a...
DE 102006017153 B3 UPAB: 20071008 NOVELTY - The method involves coating a substrate with a layer of an amorphous carbon. The carbon layer is locally fired with an ion, laser or electron beam for a...
Zschenderlein, D., Kämpfe, B., Schultrich, B., Fritsche, G.
Internal stresses are very important for the performance of protective hard coatings. Tensile stresses favour the formation and propagation of cracks, inducing fracture and corrosion. Medium...
High-yield synthesis of single-walled carbon nanotubes with a pulsed arc-discharge technique (2007)
Roch, A., Jost, O., Schultrich, B., Beyer, E.
This contribution deals with the synthesis of Single-Walled Carbon Canotubes (SWCNT) with a novel pulsed arc-discharge technique. Pulsed arc-discharge is a very interesting technique because it is...
Surface roughness evolution and growth mechanism of carbon films from hyperthermal species (2007)
Lifshitz, Y., Edrei, R., Hoffman, A., Grossman, E., Lempert, G.D., Berthold, J., ...
The roughness evolution of carbon films deposited from hyperthermal species was investigated by AFM. 10 eV C deposition at normal incidence angle starts with formation of 10 nm high islands followed...
Tribologisches Verhalten von amorphen Kohlenstoffschichten (2006)
Tribologische Kohlenstoffschichten können mit unterschiedlichen Eigenschaften mit verschiedenen Methoden abgeschieden werden. Da sich Diamantschichten erst um 900 Grad C abscheiden lassen, kommen...
Storage of ultracold neutrons in a volume coated with diamondlike carbon (2006)
Atchison, F., Blau, B., Daum, M., Fierlinger, P., Geltenbort, P., Henneck, R., ...
Neuartige Hartstoffschichten durch Nanotechnologie (2006)
Hard coatings based on nitrides or carbides exhibit hardness values between 20 and 30 GPa and are thus well-suited for wear-resistance applications. By moving to nano-structured coatings such as...
Superharte amorphe Kohlenstoffschichten für Zerspanungs- und Umformwerkzeuge (2006)
Schultrich, B., Weihnacht, V., Scheibe, H.-J., Stucky, T., Bräunling, S.
Tetrahedral bonded amorphous carbon films (ta-C) have a promising tribol. potential due to their unique combination of very high hardness and low adhesion. Barriers, hindering the wider industrial...
Tribological characterisation of ta-C coatings under lubricated conditions (2006)
Klaffke, D., Schultrich, B., Weihnacht, V.
The friction and wear behaviour of Ti-6Al-4V can be improved significantly by protecting the surface with a ta-C coating. The friction is low for all tested liquid media and is about 0.05 for water...
Superhard amorphous carbon films for critical lubrication conditions (2006)
Weihnacht, V., Schultrich, B., Berthold, J., Klaffke, D.
Carbon films are distinguished by their very low friction coefficient of about 0.1 under dry friction against metals. Hence, promising glide behaviour can be expected even without or with only...
DE 102006017155 A1 UPAB: 20071119 NOVELTY - The identification unit has a structural unit formed as a coating on a substrate. The identification unit is detected by an electromagnetic radiation in a...
Industrial batch coater with integrated laser-arco® technology (2005)
Scheibe, H.-J., Schülke, T., Becker, M., Leonhardt, M., Beyer, E., Meyer, C.-F., ...
Beschichtung von Formwerkzeugen - Chancen oder Kostenfaktor? (2005)
Zimmer, O., Schultrich, B., Stucky, T., Endler, I., Schober, R., Vetter, J.
Mechanische Prüfung von dünnen Schichten mit der laserakustischen Prüfmethode LAwave (2005)
Schneider, D., Schwarz, T., Schultrich, B.
Akustische Oberflächenwellen reagieren empfindlich auf Beschichtungen und Oberflächenmodifizierungen. Davon macht die laserakustische Prüfmethode LAwave Gebrauch. Sie misst die Dispersion der...
Element mit strukturierter Oberflaeche sowie Verfahren zu seiner Herstellung (2005)
Weihnacht, V., Schultrich, B., Muehl, T.
DE1004011363 A UPAB: 20051109 NOVELTY - The unit has an amorphous carbon layer formed on a structured upper surface of a substrate. Locally modified and defined nano-scaled areas has increased...
Large area deposition of superhard carbon films (2005)
Stucky, T., Baier, U., Meyer, C.-F., Scheibe, H.-J., Schultrich, B.
During the 1990s, the Laser-Arc technology for the deposition of superhard amorphous carbon films (Diamor®) was developed at the Fraunhofer Institute for Material and Beam Technology. This...
Ultra hydrophobic wetting behaviour of amorphous carbon films (2005)
Schulz, H., Leonhardt, M., Scheibe, H.-J., Schultrich, B.
Carbon films are distinguished by their broad structural variability and a corre spondingly wide range of properties varying from diamond-like to graphite-like. This variability is determined by the...
Superharte Beschichtungen für tribologische Beanspruchungen (2005)
Superhard amorphous carbon coatings were developed to protect surfaces from abrasion and wear. The coatings consist of tetrahedrally cross-linked carbon whose hardness can be tuned between 40-75% of...
Verschleißuntersuchungen an superharten amorphen Kohlenstoffschichten (2004)
Schulz, H., Weihnacht, V., Scheibe, H.-J., Schultrich, B.
Mechanical-tribological investigations were performed on superhard amorphous carbon films. These films were deposited by a high-current arc method. Films with a thickness up to several micrometers...
Laser-assisted deposition of superhard carbon coatings (2004)
Beyer, E., Scheibe, H.-J., Schultrich, B., Weihnacht, V.
In the recent years, diamond and diamond-like carbon films (DLC) with nearly ideal properties have been developed for use as wear protection, low friction coatings. The hardest DLC films are called...
Process simulation of industrial vacuum arc deposition (2004)
Schultrich, B., Völlmar, S., Römer, D.
Vacuum deposition and especially vacuum arc deposition represent efficient methods to produce protective or decorative coatings and are now widely used for industrial applications. An advantage...
Beyer, E., Scheibe, H.-J., Schultrich, B., Weihnacht, V.
Tetrahedral bonded amorphous carbon (ta-C) films are the hardest in the family of amorphous carbon films and possess sp3 contents up to 80%. Using high-current pulse-arc techniques in combination...
Pulsed arc deposition of super-hard amorphous carbon films (2004)
Schulz, H., Scheibe, H.-J., Siemroth, P., Schultrich, B.
Hydrogen-free amorphous carbon films with hardness up to 75 GPa have been deposited by special pulsed arc techniques. The influence of plasma and deposition conditions on the film properties is...
Tetraedrich koordinierter amorpher Kohlenstoff - Herstellung und Eigenschaften (2004)
Weihnacht, V., Schulz, H., Schultrich, B.
Schichten aus tetraedrich gebundenem Kohlenstoff (ta-C) bilden eine Untergruppe in der Vielfalt der DLC- (diamond-like carbon-) Verbindungen. Sie zeichnen sich insbesondere durch zwei Merkmale aus:...
Licht als Werkzeug - Vom Brennspiegel zum Solarofen und Leistungslaser (2003)
Die Bereitstellung ausreichender Energiemengen ist die Grundvoraussetzung der mo dernen Produktion und des darauf aufbauenden sozialen Gefüges. Mit Ausnahme der von Kernkraftwerken,...
SimCoat - Ein Programmsystem zur Optimierung von Beschichtungstechnologien (2003)
Völlmar, S., Schultrich, B., Römer, D., Scheibe, H.-J.
Als dominierendes Verfahren zur industriellen Abscheidung tribologischer, harter Schutzschichten hat sich die Vakuumbogenbeschichtung durchgesetzt. Bei der Beschichtung von Bauteilen mit komplexer...
Superharte amorphe Kohlenstoffschichten (2003)
A review. Carbon films are distinguished by their special properties and the broad structural spectrum. Amorphous carbon films with dominating tetragonal bonds (ta-C films) represent a high potential...
Neuartige Hartstoffschichten durch Nanotechnologie (2003)
Eine Grundvoraussetzung für einen wirksamen Verschleißschutz ist eine hinreichende Härte der Schutzschichten. Mit nitridischen und karbidischen Hartstoffen lassen sich Härten im Bereich von 20...
Neuere Entwicklungen reib- und verschleißmindernder Schichten (2003)
Scheibe, H.-J., Schultrich, B.
Hard amorphous carbon films are a promising alternative for protection of surfaces against growing and complex requirements. Due to its environment-friendliness and biocompatibility carbon is...
Conductivity of ion tracks in diamond-like carbon films (2003)
Zollondz, J.-H., Krauser, J., Weidinger, A., Trautmann, C., Schwen, D., Ronning, C., ...
High-energy heavy ions (e.g. 1 GeV uranium ions) passing through a diamond-like carbon (DLC) film create conducting tracks along their path. The conductivity of these channels is due to a conversion...
Simulationsprogramm für die industrielle Vakuumbogenbeschichtung (2003)
Völlmar, S., Schultrich, B., Römer, D.
Als dominierendes Verfahren zur industriellen Abscheidung tribologischer, harter Schutzschichten hat sich die Vakuumbogenbeschichtung durchgesetzt. In der industriellen Beschichtungspraxis werden...
Verfahren und Vorrichtung zur Herstellung von Metallisierungen auf Halbleiterkoerpern (2003)
Klimes, W., Wenzel, C., Urbansky, N., Siemroth, P., Schuelke, T., Schultrich, B.
The metallising is obtained by vapour deposition in vacuum on grooves for conductive tracks and holes for track couplings in SiO2 or another inorganic or organic semiconductor materials. The process...
Großflächenbeschichtung mit superharten Kohlenstoff (2003)
Stucky, T., Baier, U., Meyer, C.-F., Scheibe, H.-J., Schultrich, B.
During the nineties the Laser-Arc technology for the deposition of superhard amorphous carbon films (Diamor®) has been developed at the Fraunhofer Institute for Material and Beam Technology. This...
Superhard amorphous carbon films : Superharte amorphe Kohlenstoffschichten (2003)
A review. Carbon films are distinguished by their special properties and the broad structural spectrum. Amorphous carbon films with dominating tetragonal bonds (ta-C films) represent a high potential...
Superharte Kohlenstoffschichten durch Nanometer-Schichtdesign (2002)
Schutzschichten werden gewöhnlich mit dickeren Schichten von mindestens einigen Mikrometern Dicke in Verbindung gebracht. Bei solchen Schichtdicken ist eine hinreichende Tragfähigkeit gegenüber...
Korrosionsgeschuetztes Stahlblech und Verfahren zu seiner Herstellung (2002)
Kretschmar, M., Bechem, W., Brisberger, R., Schuhmacher, B., Schwerdt, C., Stahl, J., ...
WO 200214573 A UPAB: 20020513 NOVELTY - Corrosion-protected steel sheet consists of a carbon-deficient steel sheet with a zinc or zinc alloy coating produced by hot dip coating, electrolytic...
Quality control of ultra-thin and super-hard coatings by laser-acoustics (2002)
Schneider, D., Siemroth, P., Schülke, T., Berthold, J., Schultrich, B., Schneider, H.-H., ...
Non-destructive testing of hard-coatings is highly desirable. The available test methods are continuously faced with many new demands for engineered surfaces this arises from reducing film...
Verfahren und Vorrichtung zur Beschichtung von Substraten im Vakuum (2002)
Scheibe, H., Meyer, C., Schultrich, B., Ziegele, H.
WO 200012775 A UPAB: 20000426 NOVELTY - A gas or a gas mixture is supplied to the plasma out of and/or through a porous target (1) functioning as an intermediate storage unit. DETAILED DESCRIPTION -...
Novel coating systems and surface technologies for continuous processing of steel sheet (2001)
Schuhmacher,B., Müschenborn,W., Stratmann,M., Schultrich,B., Klages,C. P., Kretschmer,M., ...
Novel coating systems and surface technologies for continuous processing of steel sheet (2001)
Schuhmacher, B., Müschenborn, W., Stratmann, M., Schultrich, B., Klages, C. P., Kretschmer, M., ...
Graphitic nanowires embedded in diamond-like carbon films (2001)
Krauser, J., Hoffmann, V., Harneit, W., Waiblinger, M., Stolterfoht, N., Weidinger, A., ...
Diamond-like Carbon (DLC) films are-due to their tetrahedrally coordinated structure-electrically insulating. If a heavy ion passes through this film, the material is melted in a narrow channel along...
Conduction ion tracks in diamond-like carbon films (2001)
Krauser, J., Weidinger, A., Waiblinger, M., Hoffmann, V., Trautmann, C., Schultrich, B., ...
Graphitic nanowires embedded in diamond-like carbon films (2001)
Krauser, J., Hoffmann, V., Harneit, W., Waiblinger, M., Stolterfoht, N., Weidinger, A., ...
Diamond-like Carbon (DLC) films are-due to their tetrahedrally coordinated structure-electrically insulating. If a heavy ion passes through this film, the material is melted in a narrow channel along...
Novel coating systems and surface technologies for continuous processing of steel sheet (2001)
Schumacher, B., Müschenborn, W., Stratmann, M., Schultrich, B., Klages, C.-P., Kretschmer, M., ...
New challenges on the R & D side result from the ever increasing demands made on the "performance "of surface treated sheets by the manufacturing companies and the customers. Corrosion protection...
Conducting ion tracks in diamond-like carbon films (2001)
Krauser, J., Weidinger, A., Waiblinger, M., Hoffmann, V., Trautmann, C., Schultrich, B., ...
Electrically conducting thin filaments were produced in diamond-like carbon (DLC) films by heavy ion irradiation. For this purpose, 1 GeV uranium ions were chosen since they provide the largest...
Laser-acoustics. A method for testing coatings and material surfaces (2001)
Schneider, D., Schultrich, B., Schwarz, T.
The laser-acoustic technique based on surface acoustic waves has proved to be an interesting method for testing coatings and material surfaces. The central point of the laser-acoustic technique is to...
Characterization of Coatings and Machined Surfaces by Surface Acoustic Waves (2001)
Schneider, D., Schultrich, B., Siemroth, P., Leonhardt, M., Franke, A.
The laser-acoustic technique based on surface acoustic waves has proved to be an interesting test method for coatings and material surfaces. The central point of the laser-acoustic technique is...
Dekorative PVD-Beschichtung von Kunststoffen: Aktuelle Entwicklungstrends und Perspektiven (2001)
Der Gebrauchswert von Produkten wird insbesondere im Konsumgüterbereich neben der vorauszusetzenden Funktionstüchtigkeit wesentlich durch ihr Erscheinungsbild bestimmt. Attraktive Formgebung und...
TEM-simulation of amorphous carbon films: in influence of supercell packaging (2001)
Schultrich, H., Schultrich, B.
Recent developments in thin film technology allow to prepare deliberately amorphous carbon films with structures widely varying between graphite-like (sp2) and diamond-like (sp3) atomic bonds. This...
Licht als Werkzeug - Vom Brennspiegel zum Solarofen und Leistungslaser (2001)
Das Licht ist die Quelle alles Lebens. Licht ist als Werkzeug und als Informationsträger zugleich eine wesentliche Komponente unserer modernen Zivilisation. Nicht umsonst wurde nach dem Jahrhundert...
Laser-gestützte physikalische und chemische Dampfphasenabscheidung (2001)
Schultrich, B., Scheibe, H.J., Hopfe, V.
In der Dünnschichttechnologie haben sich Laser als präzises Werkzeug zur Abscheidung von besonders hochwertigen Schichten mittels der Pulslaserabscheidung (Pulsed Laser Deposition, PLD) bewährt....
Schichthaftung und nm-Grenzflächenengineering (2001)
Die Schichthaftung als das Kernproblem der Beschichtungstechnologie wird von der Ausbildung der Übergangszone zwischen Bauteil und Schicht bestimmt. Die für eine gute Schichthaftung erforderlichen...
Siemroth, P., Schultrich, B., Kleinert, H., Grosser, S.
Modifying metal workpiece surfaces by electric discharges as preparation for subsequent operations comprises a) pulsed unipolar electric arc discharge is ignited and maintained between an electrode...
Harte, amorphe, wasserstofffreie C-Schichten (2001)
The invention relates to hard, amorphous, hydrogen-free C layers. The hard, amorpohous carbon layer consists of pure carbon not containing any metal and/or hydrogen (< 0.5 at%) components and is...
Kohlenstoffschichten zum Reibungs- und Verschleißschutz (2000)
Superharte amorphe Kohlenstoffschichten repräsentieren nach den klassischen Hartstoffschichten, nach den mehrkomponentigen und mehrlagigen Hartstoffsystemen und nach den wasserstoffhaltigen amorphen...
Aktivierte Beschichtung von Kunststoffen: Vorteile und Probleme (2000)
Das Grundkonzept der Beschichtungstechnologie beruht auf der Aufgabenteilung zwischen dem Grundwerkstoff und dem Oberflächenbereich: Das Grundmaterial übernimmt im Sinne eines (oft preiswerteren...
TEM simulation of nano-structured carbon films (2000)
Schultrich, B., Schultrich, H.
Carbon films prepared by specially modified laser induced vacuum deposition (Laser-Arc) show a nano-heterogeneous structure with graphitic inclusions embedded in an amorphous diamond-like carbon...
TEM investigation of nano-structured carbon films (2000)
Reibold, M., Meyer, C.F., Schultrich, B., Schultrich, H.
TEM investigations reveal the large structural differences of carbon films prepared by modified deposition conditions. Laser induced vacuum deposition (Laser-Arc) enables the deposition of superhard,...
Nanostructured carbon films (2000)
Schultrich, B., Scheibe, H.J., Mai, H.
Carbon materials are distinguished by their unusual variety of structures. They allow the realization of a broad spectrum of properties leading to partially opposite features based on a single...
Weiterbildungsnetzwerke zur Oberflächentechnik in der Fraunhofer-Gesellschaft (2000)
Die Notwendigkeit einer permanenten Weiterbildung ergibt sich aus der Spezifik der Oberflaechentechnik selbst: aus der dynamischen Entwicklung der Verfahrenstechnik und der Kundenanforderungen, aus...
Neuere Entwicklungen bei harten Kohlenstoffschichten (2000)
Kohlenstoff nimmt im Periodischen System unter allen Elementen eine Sonderstellung ein. Daraus leiten sich einerseits von anderen Stoffsystemen nicht erreichte Spitzeneigenschaften und andererseits...
Testing ultra-thin films by laser-acoustics (2000)
Schneider, D., Witke, T., Schwarz, T., Schöneich, B., Schultrich, B.
Evaluating ultra-thin films of a few nanometers thickness is still a challenge for mechanical testing. The capability of the laser-acoustic technique was investigated to measure the Young's modulus...
Integration der Oberflächentechnik in Fertigungsabläufe (2000)
Brand, J., Dimigen, H., Gäbler, J., Leson, A., Nowotny, S., Schultrich, B., ...
Die Schicht- und Oberflaechentechnik stellt heute eine Schluessel- und Querschnittstechnologie dar, die im Zentrum der Fertigung sehr vieler High-Tech-Produkte steht. Einerseits ist sie...
Witke, T., Schülke, T., Schultrich, B., Siemroth, P., Vetter, J.
Special features of the filtered high-current pulsed arc deposition f-HCA are presented in comparison with the conventional dc-arc method. The high-current arc technique allows pulse currents of some...
Superhard and ultrasmooth carbon films for micromechanical components (2000)
Schultrich, B., Scheibe, H.-J., Siemroth, P., Witke, T.
Carbon films with a novel sp2 network structure (1999)
Alexandrou, I., Scheibe, H. -J., Kiely, C. J., Papworth, A. J., Amaratunga, G. A. J., Schultrich, B.
Laser-Arc evaporation of a graphite target has been used to deposit carbon films that exhibit high hardness (45 GPa) and elastic recovery (85%). High Resolution Electron Microscopy (HREM) and...
Comparison of DC and AC arc thin film deposition techniques (1999)
Schülke, T., Witke, T., Scheibe, H.J., Siemroth, P., Schultrich, B., Zimmer, O., ...
DC and AC vacuum arc evaporation comprise two techniques currently implemented for thin film deposition, each with specific technical aspects with regard to the discharge systems and their...
Rackwitz, N., Siemroth, P., Riedrich, T., Schultrich, B.
Der Vakuumbogen ist eine stromstarke Gasentladung, die in einem evakuiertem Raum im von ihm selbst erzeugten Dampf des Kathodenmaterials brennt. Diese Erscheinungen sind seit ueber hundert Jahren...
Mechanical characterization of ultrahard and ultrathin films by laser acoustics (1999)
The mechanical properties are often the main topic, but at least a necessary precondition in the application of thin films. The indentation methods with monitoring of load and penetrating depth yield...
Herstellung und Charakterisierung nanodisperser Kohlenstoffschichten (1999)
Schultrich, B., Scheibe, H.J., Mai, H.
Kohlenstoff zeichnet sich durch eine ungewoehnliche Vielfalt der Strukturen aus. Sie beruht auf der Existenz zweier unterschiedlicher Bindungstypen der Kohlenstoffatome: Die tetragonale sp3-Bindung,...
Film deposition by laser and arc technologies (1999)
Physical Vapor Deposition (PVD) based on laser pulses or vacuum arc discharges are distinguished by the highly (often completely) ionization of the plasma beam with high ion energies. Hence, with...
Deposition of hard amorphous carbon coatings by laser and arc methods (1999)
Witke, T., Schülke, T., Berthold, J., Meyer, C.F., Schultrich, B.
The principal deposition conditions for the preparation of hard amorphous carbon films with hardness values above 50 GPa are now well known: high energy of the impinging carbon particles and low...
Carbon films with an sp2 network structure (1999)
Alexandrou, I., Scheibe, H.J., Kiely, C.J., Papworth, A.J., Amaratunga, G.A.J., Schultrich, B.
Laser-arc evaporation of a graphite target has been used to deposit carbon films that exhibit high hardness (45 GPa) and elastic recovery (85%). High-resolution electron microscopy (HREM) and...
Beschichtung von Werkzeugen für die Kunststoffverarbeitung (1999)
Schultrich, B., Vetter, J., Kayser, O.
Ein wesentlicher Vorteil der Kunststoffe besteht in der vergleichsweise einfachen Herstellbarkeit auch komplizierterer Formen. Gewoehnlich wird z.B. mittels Spritzguss oder Extrusion bereits die...
Mullite based oxidation protection for SiC-C/C composites in air at temperature up to 1900 K (1999)
Fritze, H., Schnittker, A., Borchardt, G., Witke, T., Schultrich, B.
For an industrial Si-SiC coated C/C material (reference material) the temperature dependence of the isothermal linear mass loss rate is interpreted in the temperature range 500 deg C < T < 1700 deg...
Simulation of Disruption Loads on First-Wall High-Temperature Materials. (1998)
Wetzig, K., Menzel, S., Rossek, U., Schultrich, B.
The behavior of carbon materials under thermal load in fusion reactors has been stimulated by laser-pulse irradiation in a scanning electron microscope (SEM). In this way material damage, such as...
Kohlenstoffschichten für besondere Anwendungen: Superhart, ultraglatt, nano-strukturiert (1998)
Scheibe, H.J., Schultrich, B., Siemroth, P., Schneider, D.
Bogentechnologien haben sich in den letzten Jahren als effektive, industriell einsetzbare PVD-Technologie zur Abscheidung von Hartstoffschichten bewaehrt. Ein besonderer Vorteil der Bogentechnologie...
Schultrich, B., Lenk, A., Witke, T.
The device has a dielectric tube of silicon dioxide with a wall thickness of 2 mm, a length of 7 cm and an inner diameter of 7 mm. Into one end is set a cathode [1] that is made of metal,...
Schultrich, B., Lenk, A., Witke, T.
The device has a dielectric tube of SiO2 with a wall thickness of 2 mm, a length of 7 cm and an inner diameter of 7 mm. Into one end is set a cathode [1] part, that is fabricated from metal,...
Non-destructive characterization of CVD diamond films on cemented carbide cutting tools (1998)
Schneider, D., Schultrich, B., Burck, P., Scheibe, H.J., Jörgensen, G., Lahres, M., ...
Cemented carbide tools coated with diamond have been proved to show superior performance for machining non-ferrous alloys, especially aluminum alloys. The development of efficient CVD technologies...
Mechanical properties of laser-assisted deposited amorphous carbon films (1998)
Scheibe, H.J., Schneider, D., Schultrich, B., Meyer, C.F., Ziegele, H., Siemroth, P.
Amorphous hydrogen-free carbon films (a-C) combine the outstanding properties of diamond with those of the amorphous microstructure. Their main properties like hardness, Young's modulus and density...
Ziegele, H., Rebholz, C., Scheibe, H.J., Schultrich, B., Matthews, A.
The method of laser-induced vacuum arc (Laser-Arc) combines the good controllability of pulsed laser deposition with the high efficiency of a vacuum arc technique. One advantage of this technique is...
A laser-acoustic method for testing and classifying hard surface layers (1998)
Schneider, D., Schultrich, B., Scheibe, H.J., Ziegele, H., Griepentrog, M.
The laser-acoustic method is accepted to be an interesting method of testing thin films. It is based on measuring the dispersion of surface acoustic waves which are generated by short laser pulses. A...
Schultrich, B., Meyer, F.-C., Scheibe, H.J., Witke, T., Ziegele, H.
It is now well proved that superior mechanical properties may be achieved not only with crystalline diamond but also by amorphous carbon films. They allow the unique combination of very high hardness...
High resolution TEM investigations of nanostructures in hard amorphous carbon films (1998)
Banzhof, H., Lichte, H., Luft, A., Meyer, C.F., Scheibe, H.J., Schultrich, B., ...
High-rate PLD of ceramic films with kw-laser (1998)
Witke, T., Berthold, J., Schultrich, B., Lenk, A.
Pulsed Laser Deposition (PLD) is a special PVD process usually based on the ablation of a solid target by very short laser pulses in the nanosecond range. In comparison to other thin film methods it...
High current metal-ion source for activated deposition (1998)
Witke, T., Siemroth, P., Schultrich, B., Zimmer, O.
A high current metal ion source was designed and successfully used for film deposition. The plasma flux of some amperes is produced by transporting the fully ionized plasma from a pulsed high current...
Evaluation of stiffness, hardness and adhesion of thin films (1998)
Schädlich, S., Schneider, D., Schultrich, B.
For optimum adaptation of thin films to the special demands of industrial applications a complex of mechanical testing methods is desirable connecting fundamental properties concerning the...
Elastic modulus. A suitable quantity for characterization of thin films (1998)
Young's modulus is often underestimated in its relevance for thin film characterisation. It represents the stiffness of the material that correlates with the atomic structure. The microstructure of...
Deposition of superhard amorphous carbon films by pulsed vacuum arc deposition (1998)
Schultrich, B., Scheibe, H.J., Drescher, D., Ziegele, H.
The deposition of superhard amorphous carbon films demands high energies of all impinging particles for film formation by subplantation instead of condensation. Such conditions may be realized by...
Copper metallization of submicron trenches with pulsed vacuum arc (1998)
Siemroth, P., Wenzel, C., Witke, T., Schultrich, B.
Conventional magnetron sputtering is not able to fill trenches and vias with aluminum or copper completely. This is due to the broad angle distribution of the incoming particles. Strong...
Pulsed laser deposition of oxide films by multi-kilowatt CO2 lasers (1997)
Schultrich, B., Lenk, A., Witke, T., Borchardt, G., Fritze, H.
Lifshitz, Y., Lempert, G.D., Grossman, E., Scheibe, H.J., Völlmar, S., Schultrich, B., ...
The optical and photoemission properties of hydrogen-free DLC films prepared under conditions which result in different types of carbon bonding (previously determined from electron energy loss...
Neuartige Gleit- und Verschleißschutzschichten aus superhartem amorphem Kohlenstoff (1997)
Scheibe, H.J., Schultrich, B., Ziegele, H.
Nach der erfolgreichen Durchsetzung der karbidischen und nitridischen Hartstoffschichten bahnt sich gegenwärtig mit der Einführung des diamantähnlichen amorphen Kohlenstoffs der Übergang zu einer...
Mullite coatings on SiC and C/C-Si-SiC substrates characterized by infrared spectroscopy (1997)
Rüscher, C.H., Fritze, H., Borchardt, G., Witke, T., Schultrich, B.
Mullite (3Al2O3x2SiO2) coatings on SiC substrates and SiC precoated carbon/carbon composite (C/C-Si-SiC) substrates were produced by pulsed laser deposition (PLD) using pressed mullite powder...
Laserverfahren zur Abscheidung dünner Schichten (1997)
Schultrich, B., Hopfe, V., Lenk, A., Scheibe, H.J., Witke, T.
Laser-arc technology for industrial hard coating deposition (1997)
Falz, M., Scheibe, H.J., Schultrich, B., Wilberg, R.
The Laser-Arc method represents a pulsed vacuum deposition where the arc discharge is ignited by short laser pulses. Owing to the short burning times of the single arcs, the erosion is restricted to...
DLC and metallic nanometer multilayers deposited by laser-arc (1997)
Ziegele, H., Scheibe, H.J., Schultrich, B.
The method of laser-induced vacuum arc (laser-arc) combines the good controllability of pulsed laser deposition with the high efficiency of a vacuum arc technique. One advantage of this technique is...
Deposition of superhard amorphous carbon films by pulsed arc sources (1997)
Scheibe, H.J., Schultrich, B., Ziegele, H., Siemroth, P.
Hydrogen-free amorphous carbon films with hardness comparable to crystalline superhard materials have been deposited by special pulsed arc techniques. With the combination of very high hardness, hig...
Characterization of carbon nitride produced by high-current vacuum arc deposition (1997)
Hartmann, J., Siemroth, P., Schultrich, B., Rauschenbach, B.
Carbon nitride thin films were deposited using the high-current arc (HCA) evaporation technique varying the pressure in the chamber and the position of the samples with respect to the evaporation...
Activating adherend surfaces by applying arc-discharge treatment (1997)
Kleinert, H., Großer, S., Schultrich, B., Siemroth, P.
The demands on adhesive joints and for their long-term durability, especially under extreme environmental conditions, are steadily increasing. Most of the currently used chemical methods of adherend...
DLC Film Deposition by Laser-Arc and Study of Properties. (1996)
Scheibe, H. J., Schultrich, B.
The Laser-Arc is a controlled pulsed arc plasma source with the advantages of the pulsed-laser deposition technique and the high energy efficiency of a vacuum arc. The potential of the method is...
Superharte Kohlenstoffe (1996)
Diamant ist ein faszinierendes Material. Es beeindruckt den Aestheten durch die Brillanz seiner Lichtbrechung, den Naturwissenschaftler durch seine sonst unerreichten Eigenschaften, den Techniker...
Klaffke, D., Schultrich, B., Scheibe, H.J.
Hard amorphous carbon films are distinguished by their high resistance against abrasive, adhesive and corrosive wear. By special vacuum arc deposition methods superhard coatings with hardness above...
Superharte amorphe Kohlenstoffschichten (1996)
Super-hard amorphous carbon layers are new layers with superior sliding and wear protective properties. With the assistance of high-performance process and plant engineering, thin-layer technology...
Scheibe, H.J., Drescher, D., Schultrich, B., Falz, M., Leonhardt, G., Wilberg, R.
The laser-arc evaporation process has been developed to an industrial high rate deposition technology for amorphous carbon films of diamond-like nature. Deposition rates above 3 nm s(exp-1) have been...
Investigation of plasma produced by electron pulse ablation (1996)
Witke, T., Lenk, A., Schultrich, B.
Short electron pulses with high energy are a very promising tool for the controlled ablation and deposition of materials. The plasmas induced by the electron beam irradiation are distinguished by...
Harte amorphe Kohlenstoffschichten (1996)
Amorphous carbon with a diamond-like structure is the basis of a new generation of hard films for tribological applications. In the paper the deposition condition of hydrogen containing and...
Elastic modulus as a measure of diamond likeness and hardness of amorphous carbon films (1996)
Schultrich, B., Scheibe, H.J., Grandremy, G., Drescher, D., Schneider, D.
The elastics modulus directly reflects the bonding strength and structure of a solid state. Usually this factor can only be modified slightly for a given material, but in amorphous carbon films large...
Dünne Schichten zerstörungsfrei prüfen (1996)
The feasible characterization of layer materials is decisive for optimizing the surface properties and for quality assurance. The module of elasticity and/or density of thin and very thin layers down...
Dünne Schichten zerstörungsfrei prüfen (1996)
The feasible characterization of layer materials is decisive for optimizing the surface properties and for quality assurance. The module of elasticity and/or density of thin and very thin layers down...
Aktivierung von Klebflächen durch Bogenentladungen (1996)
Kleinert, H., Siemroth, P., Schultrich, B., Berger, S., Großer, S.
Investigation of plasma produced by laser and electron pulse ablation (1995)
Witke, T., Lenk, A., Schultrich, B., Schultheiß, C.
Short laser pulses with high energy are a very promising tool for controlled ablation of materials, both for structurization and for deposition. They are especially suited for the ablation of...
Fundamental processes in vacuum arc deposition (1995)
Siemroth, P., Schultrich, B., Schülke, T.
Notwithstanding its multiple technical applications, the fundamental processes of the vacumm arc technique have been insufficiently explored experimentally and theoretical discussions have involved...
Zwei-Strahl-LPVD für Metalle: Vortrag (1994)
Lenk, A., Schultrich, B., Granze, G., Völlmar, S.
Pulsed Laser ablation is a very promising method for producing beams of highly excited particles suited for high quality deposition (Pulsed Laser Deposition PLD). Therefore high deposition rate of...
Simulation der Disruptions-Belastung von Erste-Wand-Hochtemperturmaterialien (1994)
Wetzig, K., Menzel, S., Rossek, U., Schultrich, B.
The behaviour of carbon materials under thermal load in fusion reactors has been simulated by laser-pulse irradiation in a scanning electron mocroscope (SEM). In this way material damage, such as...
Modellierung und experimentelle Untersuchung laserinduzierter Plasmen (1994)
Völlmar, S., Granse, G., Schultrich, B., Witke, T.
Under the influence of pulsed laser irradiation with power densities above 10 high8 W/qcm on the surface of solids and liquids, plasma is created. This process is far from thermodynamic equilibrium...
Kurzzeituntersuchung von laser- und bogengestützten Beschichtungsprozessen (1994)
Siemroth, P., Schülke, T., Witke, T., Schultrich, B.
Both in pulsed laser depositon (PLD) and in arc deposition the target material is evaporated and ionised in an explosive process of some nanoseconds duration. This process of explosive plasma...
Berger, L.-M., Ettmayer, P., Schultrich, B.
As a result of the investigation of the formation of hard materials with NaCl type structure in the TiC- TiN-TiO system, the reaction sequences during the carbothermal reduction of titanium dioxide...
Der Hochstrombogen - eine neue Quelle der Hochratebeschichtung (1994)
Siemroth, P., Schülke, T., Schultrich, B.
A new type of arc evaporator will be described which was developed to improve the deposition rate for 5 times in comparison to an ordinary arc evaporation unit. This device, the so called high...
Schultrich, B., Grandremy, G., Schneider, D., Scheibe, H.J.
The elastic moduli directly reflect binding strength and structure. Usually these factors can be only sligthly modified within a given material, and the elastic moduli are not very sensitive to any...
Eigenspannungen in der Dünnschichttechnik (1994)
A short survey on the problems connected with internal stresses in thin films is given. The following topics are dealt with: the effects of internal stresses on behaviour under mechanical or...
E-Modul von mit gepulstem Vakuumbogen hergestellten diamantähnlichen Kohlenstoffschichten (1994)
Schultrich, B., Grandremy, G., Schneider, D., Siemroth, P., Scheibe, H.J.
Amorphous carbon films have been prepared by special pulsed vacuum arc deposition methods allowing high currents up to 1 kA and more. The Young's modulus of these films has been determined with...
E-Modul amorpher Kohlenstoffschichten (1994)
Schultrich, B., Grandremy, G., Schneider, D., Scheibe, H.J.
The elastic moduli directly reflect bonding strength and structure. Usually these factors can be only slightly modified within a given material, but in amorphous carbon films large variations of...
DLC-Schichtabscheidung mit dem Laser-Arc und Eigenspannungsuntersuchungen (1994)
The Laser-Arc is a controlled pulsed arc plasma source combining advantages of the pulsed laser deposition (PLD) technique with the high energy efficiency of a vacuum arc (VAD). The influence of...
Bestimmung des E-Moduls dünner Schichten mit Ultraschalloberflächenwellen (1994)
Schneider, D., Schultrich, B., Scheibe, H.J.
A method has been developed to determine YOUNG'S modulus and thickness of thin surface layers by measuring the phase velocity of ultrasonic surface waves. These are thermoelastically induced by a...
Investigation of plasmas produced by laser and electron pulse ablation. (1994)
Witke, Th., Lenk, A., Schultrich, B., Schultheiss, C.
4th Internat.Conf.on Plasma Surface Engineering, Garmisch-Partenkirchen, September 19-23, 1994
Wetzig, K., Menzel, S., Rossek, U., Hübel, R., Schultrich, B.
Essential damage of carbon-fiber reinforced carbon materials is caused by short high temperature loading conditions. They may be modeled by irradiation with intense laser pulses. For direct...
Thermoschockrißbildung durch laserinduzierte Hochtemperaturrelaxation (1993)
Bahr, H.-A., Schultrich, B., Weiß, H.-J., Pflugbeil, I., Wetzig, K., Menzel, S.
Crack formation by thermal shocks is usually discussed on the base of thermal-elastic misfits and corresponding reversible stress fields notwithstanding the fact that dangerous tensile stresses in...
Berger, L.-M., Schultrich, B., Ettmayer, P.
Thermal damage by erosion and cracking under pulsed irradiation. (1993)
Schultrich, B., Weiss, H.-J., Bahr, H.-A.
Thermal damage involves a broad range of physical phenomena as thermally induced structural degradation, crack and propagation, and the ablation of material. Their complex superposition is analyzed...
Laserschockinduzierte Rißbildung in thermischen Barrieren infolge Hochtemperaturkriechens (1993)
Bahr, H.-A., Pflugbeil, I., Schultrich, B., Weiß, H.-J.
Laser-Arc - ein neuartiges Verfahren der lasergestützten Vakuumbogenbeschichtung (1993)
Siemroth, P., Schultrich, B., Scheibe, H.J.
The laser-arc evaporation, a PVD process taking place in a vacuum atmosphere of 10 (exp -3) Pa, is characterised by application of a pulse laser for the ignition and controlling of the arc spot...
X-ray diffraction study of small laser-treated spots on WC-Co hardmetal (1992)
Ermrich, M., Stephan, D., Schultrich, B.
The influence of laser treatment on phase transformation and stability of WC-6%Co hardmetal was investigated by X-ray diffraction. The sample was irradiated by a neodymium-glass laser (Lambda = 1.06...
Verschleißschutz durch Laser-Einschmelzen und -Aufschmelzen von Hartstoffen (1992)
Löschau, W., Simmchen, E., Schultrich, B.
Investigations for preparation of wear-resistant surfaces by laser-induced incorporation of hard materials are summarized. The laser technologies based an alloying, dispersing and cladding are...
Verfahrensgrundlagen der Laser-Arc-Verdampfung als Hochrate-Beschichtungsverfahren (1992)
Schultrich, B., Siemroth, P., Scheibe, H.J.
Der Laser-Arc ist eine laserinduzierte Bogenverdampferquelle für plasmagestützte Schichtabscheidung, deren Vorteil in der Steuerbarkeit der Entladung und gezielten Materialerosion besteht, so daß...
Laseroberflächenverfahren für Funktions- und Schutzschichten (1992)
Nowotny, S., Pompe, W., Reitzenstein, W., Schultrich, B.
Laser technologies are used to produce non- conventional layer systems for large scaled applications in machine building, optics and electronics. With respect to the physical and metallurgical...
Laser technologies for coating and cladding (1992)
Reitzenstein, W., Nowotny, S., Pompe, W., Schultrich, B.
The paper surveys the application of laser technologies for preparation of non-conventional coating systems in engineering, optics and electronics. Thin solid films with thicknesses between some nm...
Laser-Oberflächentechnologien zur Bauteilbeschichtung (1992)
Nowotny, S., Pompe, W., Reitzenstein, W., Schultrich, B.
Laser based technologies for cutting and welding processes are well established now in the industrial practice. The technique of surface modification by laser induced solid phase hardening has turned...
Berger, L.-M., Oswald, A., Preiss, H., Schultrich, B.
This paper concerns the alterations in chemical composition and phase structure of carbide powders in air plasma spraying. Carbides of tungsten and titanium and mixed carbides of them, with different...
Influence of carbide powder composition on decarburization during air plasma spraying. (1991)
Berger, L.-M., Henke, J., Oswald, A., Schultrich, B.
This paper concerns the alterations in chemical composition and phase structure of carbide powders in air plasma spraying. Carbides of tungsten and titanium and mixed carbides of them, with different...
Müller, H., Wetzig, K., Pimenov, S.M., Chapliev, N.I., Konov, V.I., Prochorov, A.M., ...
Cemented carbides with higher binder contents were irradiated with a CO2-pulse laser within a SEM to investigate the structural development in more detail. The decisive medium is the melting binder...
Müller, H., Wetzig, K., Pimenov, S.M., Chapliev, N.I., Konov, V.I., Prochorov, A.M., ...
Samples of WC-6% Co hardmetals were irradiated with a pulsed CO2 laser inside a scanning electron microscope in order to study the mechanisms and development of surface modification in microscopic...