Paulkowski, D., Schiffmann, K.
The determination of mechanical properties of thin films is of crucial interest for applications of protective layers. Nanoindentation and nanoscratch experiments of diamond-like carbon coated (100)...
Friction of flat-flat micro contacts coated with amorphous carbon (2009)
Paulkowski, D., Bandorf, R., Schiffmann, K., Bräuer, G.
The friction of flat-flat micro contacts was investigated using a flat punch at a Hysitron TriboIndenter®. The studied micro contacts were patterned in p-doped Si(100) using photolithography and...
Tribology of carbon based coatings on patterned surfaces in flat-flat micro contact (2008)
Paulkowski, D., Bandorf, R., Schiffmann, K.
Minimized friction and wear are of special interest in Micro-Electro-Mechanical Systems (MEMS), especially for micro actuators with their slidling parts in relative motion to each other. For improved...
Properties of Nichrome sputtered by HIPIMS in unipolar and DC-superimposed mode (2008)
Bandorf, R., Falkenau, S., Schiffmann, K., Gerdes, H., Heckmann, U.
Nichrome(Ni-Cr) alloys are a common used material for strain gauges. Using High Power Impulse Magnetron Sputtering (HIPIMS) the properties of the film are modified compared to dc-sputtering. In this...
Bandorf, R., Vergöhl, M., Schiffmann, K., Wallendorf, T.
Alumina and titania are important thin films materials in various applications. These applications include: Wear and abrasion resistant coatings for tools, electric insulation, photocatalytic and...
Vergöhl, M., Rickers, C., Kricheldorf, U., Schiffmann, K., Giesel, P., Dittrich, R., ...
Reactive magnetron sputtering was used to deposit multilayer optical coatings as well as Rugate filters. For the combination of larger areas, high throughput and high precision of the films, a rotary...
Neubert, T., Neumann, F., Schiffmann, K., Willich, P., Hangleiter, A.
Indium tin oxide (ITO) layers were prepared by electron beam evaporation with high oxygen pressure at low substrate temperatures. These layers show a low transparency in the visible range, a high...
Results from an interlaboratory exercise to validate the micro-scale abrasion test (2005)
Gee, M.G., Gant, A., Hutchings, I., Kusano, Y., Schiffmann, K., Acker, K. Van, ...
The mico-scale abrasion test has become very popular in recent years for the measurement of the abrasive wear of coatings and other materials. A EU-funded project has just been completed that had the...
Submicron coatings for micro-tribological applications (2004)
Bandorf, R., Lüthje, H., Schiffmann, K., Beck, M., Schmidt, M., ...
The miniaturisation of mechanical components and machines enables innovative future products. However, for the improvement of functionality, reliability and lifetime of those micro systems, micro...
Atomic force microscopy based microwear experiments allow deeper understanding of mechanisms of wear on the microscopic scale due to a well defined single asperity contact, elimination of roughness...
Progress towards standardisation of ball cratering (2003)
Gee, M.G., Gant, A., Hutchings, I., Bethke, R., Schiffmann, K., Acker, K. Van, ...
The ball cratering (micro-abrasion) test is becoming popular as a method for the abrasion testing of surface engineered materials. It possesses many advantages over more conventional abrasion tests...
Linear oscillating microwear experiments have been performed on thin diamond-like carbon (DLC) coatings on glass, using a Hysitron Triboscope with a conical diamond tip of 0.6 m tip radius and loads...
Submikrometerschichten für mikrotribologische Anwendungen (2003)
Bandorf, R., Lüthje, H., Schiffmann, K., Beck, M., Schmidt, M., ...
Die Herstellung der diskutierten mikrotribologischen Schichtsysteme erfolgte mit Hilfe etablierter Verfahren der chemischen und physikalischen Gasphasenabscheidung (CVD, PVD), beziehungsweise einer...
Sub-micron coatings with low friction and wear for micro actuators (2002)
Bandorf, R., Lüthje, H., Schiffmann, K., Staedler, T., Wortmann, A.
This paper deals with the fabrication and characterisation of friction and wear reduced nano-films for micro actuator applications. For this investigation films of diamond-like-carbon (DLC), metal...
Scanning probe techniques in material science: Methods and applications (2002)
In this paper some special methods of material analysis by scanning probe microscopy (SPM) will be described. First, the influence of tip convolution on the evaluation of sizes and distances of...
INO - a www information system for innovative coatings and surface technology (2002)
Schiffmann, K., Petrik, M., Schwarz, S., Gemmler, A., Griepentrog, M., ...
In the last years, a lot of research work has been performed in the field of surface coatings and thin films technology, often supported by governmental research programs, as i.e. in Germany, the...
Das Informationssystem INO - Oberflächentechnik im Internet (2002)
Petrik, M., Brand, J., Schiffmann, K., Schwarz, S., Gemmler, A., ...
Gemmler, A., Schwarz, S., Schiffmann, K., Petrik, M., Reiners, G., ...
In Surface Engineering, as in most other disciplines, the Internet has for some time now, offered access to various databases listing those who offer coating processes. The Internet Metal Finishing...
Sub-micron coatings with low friction and wear for micro actuators (2001)
Bandorf, R., Lüthje, H., Schiffmann, K., Staedler, T., Wortmann, A.
This paper deals with the fabrication and characterisation of friction and wear reduced nano-films for micro actuator applications. For this investigation films of diamond-like-carbon (DLC), metal...
The use of tribological coatings with film thicknesses in the submicrometer regime is an increasing field of applications. In this work diamond-like carbon films with a thickness of 250 nm deposited...
Micromechanical and microtribological properties of thin CNx and DLC coatings (2001)
Diamond-like carbon (DLC) can be used as a tribological coatings in mechanical engineering to reduce friction and wear. As well as the amorphous carbon nitride system (CNx), it is also interesting...
Schiffmann, K., Fryda, M., Goerigk, G., Lauer, R., Hinze, P., Bulack, A.
Metal-containing diamond-like carbon hard coatings (Me-DLC) consist of nanometer sized metallic particles, embedded into a highly cross-linked amorphous hydrocarbon matrix. Their mechanical,...
Probst, S., Schiffmann, K., Goerigk, G.
Dispersionsschichten (Composite Coatings) sind chemisch oder galvanisch abgeschiedene Metallschichten, in die ein gewisser Anteil eines Feststoffes eingelagert ist. Die Addition von...