Three-dimensional thermal fracture analysis of a one-dimensional hexagonal quasicrystal coating with interface cracks
Engineering Fracture Mechanics(2022)
Abstract
•3D thermal interfacial fracture analysis in quasicrystal coating is conducted.•The displacement discontinuity method is extended to study the interface crack.•Green’s functions of a ring element under uniform discontinuities are given, and a boundary element method is proposed.•Expressions for stress intensity factors and energy release rate are given.•Effects of many influencing factors on the fracture behavior are briefly discussed.
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Key words
One-dimensional hexagonal quasicrystal coating,Interface crack,Displacement and temperature discontinuity method,Stress intensity factors,Energy release rate
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