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Fracture of Thin Synthetic Diamond Films

Published online by Cambridge University Press:  15 February 2011

M. D. Drory
M. D. Drory*
Affiliation:
Crystallume, 3506 Bassett Street, Santa Clara, CA 95054, [email protected]
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Abstract

Large residual stresses in diamond coatings may result in film failure through splitting, delamination and substrate failure. In addition, the CVD diamond growth environment may degrade the substrate mechanical properties. These issues are examined for diamond-coating of a tool steel alloy. Diamond growth was achieved on the steel substrate with the use of a titanium interlayer. Embrittlement of the Ti interlayer was not evident, however the substrate hardness was severely degraded.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 436: Symposium CC – Thin Films Stresses and Mechanical Properties VI , 1996 , 79
Copyright
Copyright © Materials Research Society 1997

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