Deformation and Failure in Metallic Materials pp 203-221 | Cite as
Damage and Failure of Ceramic Metal Composites: Experimental and Numerical Investigations
Chapter
Abstract
Failure in ceramic metal composites due to temperature induced stresses during production and external loading is investigated. Two different structures, a, metal layer between two ceramic supports and an inter-penetrating network, correlated to two different failure modes are studied in detail. Cavitation is found to be one significant mode of (internal) damage, which decreases the strength of the composite and subsequently leads to failure. Interface debonding, in conjunction with crack branching at the interface is another failure mode. Experimental observations are compared with numerical calculations, leading to a theoretical description to predict the failure mode and the critical stresses in the composite.
Keywords
Failure Mode Metal Layer Interface Debonding Cavity Nucleation Initial Yield Stress
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