Time dependent fracture and cohesive zones
Article Abstract:
The fracture response of materials that form bridging zones or cohesive zones at crack tips is investigated. Crack growth occurs for certain materials even before a critical COD or strain is experienced by the crack tip, but for other materials the onset of fracture is guaranteed a critical COD. For regions inside a craze for studying the crack development of rate sensitive materials, a rate dependent nonlinear material model is used.
Publication Name: Journal of Engineering Materials and Technology
Subject: Science and technology
ISSN: 0094-4289
Year: 1993
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A study of thermal fracture in functionally graded thermal barrier coatings using a cohesive zone model
Article Abstract:
A finite element model incorporating a cohesive zone is used to study the initiation and growth of surface cracks in Yttria stabilized Zirconia (YSZ)-Bond Coat (BC) alloy functionally graded thermal barrier coatings (TBCs). Surface thermal fracture under laser thermal shock loading that involves a single-heating-cooling cycle is considered.
Publication Name: Journal of Engineering Materials and Technology
Subject: Science and technology
ISSN: 0094-4289
Year: 2004
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Effects of platelet size and mean volume fraction on platelet orientation and volume fraction distributions in functionally graded material fabricated by centrifugal solid-particle method
Article Abstract:
A centrifugal solid-particle method is used to fabricate functionally graded materials (FGMs). The effects of platelet size and mean volume fraction of platelets on graded distributions of volume fraction and orientation parameter during the fabrication of platelet dispersed FGMs are clarified by this method.
Publication Name: Journal of Engineering Materials and Technology
Subject: Science and technology
ISSN: 0094-4289
Year: 2007
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