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Materials SciencesCeramics, Refractories and Glass

Indentation Behavior of Diamond Films on Cemented Carbide

Authors: M. D. Drory; M. G. Peters; CRYSTALLUME MENLO PARK CA
Abstract:
Successful development of diamond coated tooling requires a quantitative measurement of adhesion between diamond and cemented carbide. The brale indentation method is explored whereby a circular interface crack is created under applied load. A model is presented which focuses on the plastic deformation near the indentor that results in mode I loading of the film. In particular, an Obreimoff-type analysis is used to relate interface toughness to the plastic deformation near the indentor, film thickness, Young's modulus, and applied load.

Description: Journal article
Pages: 8
Report Date: 91
Report Number: D829352

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