JSME International Journal Series A Solid Mechanics and Material Engineering
Online ISSN : 1347-5363
Print ISSN : 1344-7912
ISSN-L : 1344-7912
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Influence of Heat Treatment on Mechanical Properties of DLC Deposited by FIB-CVD
Naomichi SAKAMOTOYasuo KOGOTakuya YASUNOJun TANIGUCHIIwao MIYAMOTO
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2005 Volume 48 Issue 4 Pages 275-279

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Abstract

The influence of heat treatment on the mechanical properties of DLC deposited by FIB-CVD was examined. To evaluate the mechanical properties, Young’s modulus and Vickers hardness were measured by the nano indentation tester. For the characterization of DLC structure, Raman scattering was used. The microstructures of samples were characterized by HRTEM equipped with EELS. From results of the indentation experiments, it was found that Young’s modulus and Vickers hardness decreased with increasing heat treatment temperature. Analysis of Raman and EELS spectra indicated that the decrease of Young’s modulus and hardness was caused by the decrease of sp3 fraction.

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© 2005 by The Japan Society of Mechanical Engineers
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