Crack Deflection and Propagation in Layered Silicon Nitride/Boron Nitride Ceramics

Kovar, Desiderio; Thouless, M.D.; W. Halloran, John

doi:10.1111/j.1151-2916.1998.tb02438.x

Public

Crack Deflection and Propagation in Layered Silicon Nitride/Boron Nitride Ceramics

Published in Journal of the American Ceramic Society • Apr 1, 1998

Authors:

Desiderio Kovar

M.D. Thouless

John W. Halloran

Abstract

Crack deflection and the subsequent growth of delamination cracks can be a potent source of energy dissipation during the fracture of layered ceramics. In this study, multilayered ceramics that consist of silicon nitride (Si 3 N 4 ) layers separated by boron nitride/silicon nitride (BN/Si 3 N 4 ) in...

Subject

Materials science

Boron nitride

Silicon nitride

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