Contact Damage and Strength Degradation in Brittle/Quasi-Plastic Silicon Nitride Bilayers

Published: Jan 20, 2005
Abstract
A study is made of the damage resistance of silicon nitride bilayers consisting of a hard overlayer (coating) on a soft underlayer (substrate). The two layers are fabricated with different starting powders, to provide distinctive elongate-grain microstructures, and are cosintered, to provide strong interfacial bonding and thus to minimize subsequent delamination. Contact testing with spherical indenters is used to characterize the damage...
Paper Details
Title
Contact Damage and Strength Degradation in Brittle/Quasi-Plastic Silicon Nitride Bilayers
Published Date
Jan 20, 2005
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