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Superior aluminium nitride with special microstructure design for improved machining behaviour

Objective


Two types of AIN materials with a gradient in its mechanical properties was developed within this project. These materials exhibit a different grinding behaviour. The thermal conductivity of these materials vary between 150 and 190 W/mK.
Furthermore, a theoretical model is available which can describe the conditions for brittle and ductile material removal behaviour. Additionally, a ductile mode grinding process was developed which can produce a surface roughness Rzmax less than or equal to 0.8 um.

Topic(s)

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Call for proposal

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Funding Scheme

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Coordinator

Carl Zeiss GmbH
Address
Carl-zeiss-straße
73447 Oberkochen
Germany

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Participants (5)

DE BEERS INDUSTRIAL
Ireland
Eniricerche SpA
Italy
Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung eV (FhG)
Germany
MAX PLANCK GESELLSCHAFT ZUR FOERDERUNG DER WISSENSCHAFTEN E.V.
Germany
Address
Hofgartenstrasse 8
Muenchen

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TIOXIDE LTD
United Kingdom