Strong purifying selection in transmission of mammalian mitochondrial DNA (2008)
Dr Joanna Elson, C Freyer, James Stewart
There is an intense debate concerning whether selection or demographics has been most important in shaping the sequence variation observed in modern human mitochondrial DNA mtDNA. Purifying selection...
Crisis intervention after the Tsunami in Phuket and Khao Lak (2006)
Bronisch, T., Maragkos, M., Freyer, C., Müller-Cyran, A., Butollo, W., Weimbs, R., ...
Weisheit, A., Fuchs, E., Bankowski, M., Freyer, C.
Im Werkzeug- und Formenbau ist die Entwicklung von Werkzeugen mit immer komplexeren Anforderungsprofilen bei verringertem Kostenaufwand ein vorrangiges Ziel. Die Realisierung verschiedener...
Research on layer manufacturing techniques at Fraunhofer (2004)
Ader, C., Brosemer, M., Freyer, C., Fricke, H., Hennigs, D., Klocke, F., ...
Within the German Fraunhofer-Gesellschaft, the Fraunhofer Alliance Rapid Prototyping unites the competences of 12 institutes in the field of solid freeform fabrication. Covered competences are...
Controlled Metal Build Up (CMB): Fast manufacture of high strength tools of steel (2001)
The Controlled Metal Build Up (CMB) technology developed at Fraunhofer IPT enables a fast production of steel molds using a combination of laser deposition welding and high speed cutting integrated...
Fast manufacturing, modification and repair of molds using controlled metal build up (CMB) (2001)
The Controlled Metal Build Up (CMB) technology developed at Fraunhofer IPT enables a fast production of steel molds using a combination of laser deposition welding and high speed cutting integrated...
Controlled Metal Build Up (CMB): Schneller Aufbau und automatische Reparatur von Werkzeugen (2001)
Das Controlled Metal Build Up (CMB) wurde am Fraunhofer IPT entwickelt mit der Zielsetzung, die Vorteile des generativen Ansatzes der bekannten Rapid Prototyping/Rapid Tooling Technologien mit einer...
Controlled Metal Build Up (CMB): Fast manufacture of high strenght tools of steel (2001)
The Controlled Metal Build Up (CMB) technology developed at Fraunhofer IPT enables a fast production of steel molds using a combination of laser deposition welding and high speed cutting integrated...
Schneller Aufbau hochfester Werkzeuge mittels Controlled Metal Build Up (CMB) (2001)
Der vorliegende Artikel beschreibt das am Fraunhofer IPT in Aachen entwickelte Controlled Metal Build Up (CMB) und dessen Einsatzmöglichkeiten. Das CMB ermöglicht durch den schichtweisen Aufbau in...
Selective Laser Sintering of Zirconium Silicate Shells for Investment Casting (2000)
Klocke, F., Wirtz, H., Freyer, C.
Selective Laser Sintering (SLS) of zirconium silicate as a ceramic material used for investment casting shells and cores is an attractive alternative to the conventional, time-consuming way of...
Direkte Herstellung von Feingussformschalen durch selektives Lasersintern (2000)
Die direkte Fertigung keramischer Feingussformschalen durch selektives Lasersintern ermöglicht die Einsparung des zeitaufwendigen Besandungs- und Beschlickerprozesses bei der Herstellung...
Investment casting shells in 1 day using Selective Laser Sintering (SLS) (2000)
Klocke, F., Wirtz, H., Freyer, C.
The Fraunhofer Institute of Production Technology has been successful in using Selective Laser Sintering to build ceramic shells directly from zirconium silicate. Shells for complex metal parts may...
Direct manufacturing of ceramic investment casting shells using SLS (2000)
lt is becoming increasingly important in the field of product development, to minimise both the manufacturing time and the closeness to net shape of the parts produced. Whilst numerous approaches...
Investment casting shells in 1 day using Selective Laser Sintering (SLS) (1999)
Klocke, F., Wirtz, H., Freyer, C.
Rapid prototyping has been used to create master models for investment casting for several years, accelerating the process of making a complicated lost wax model. However the time-saving potential is...
Direct manufacturing of ceramic investment casting shells using selective laser sintering (1999)
lt is becoming increasingly important in the field of product development, to minimise both the manufacturing time and the closeness to net shape of the parts produced. Whilst numerous approaches...
Direct production of investment casting shells using SLS (1999)
Selective Laser Sintering (SLS) of zirconium silicate as a ceramic material used for investment casting shells and cores is an attractive alternative to the conventional, time-consuming way of...
Klocke, F., Wirtz, H., Freyer, C.
Die direkte Herstellung keramischer Feingussformschalen mit dem Selektiven Lasersintern erschließt dem Gießer und Anwender neue Möglichkeiten des Zeitgewinns bei der Herstellung metallischer...
Direct manufacturing of investment shells (1999)
Klocke, F., Wirtz, H., Freyer, C.
Rapid prototyping has been used to create master models for investment casting for several years, accelerating the process of making a complicated lost wax model. However the time-saving potential is...