Non-fourier thermal fracture analysis of a griffith interface crack in orthotropic functionally graded coating/substrate structure

• Published in: Applied Mathematical Modelling Vol. 104; pp. 548 - 566
• Main Authors: Yang, Wenzhi, Pourasghar, Amin, Chen, Zengtao
• Format: Journal Article
• Language: English
• Published: New York Elsevier Inc 01.04.2022; Elsevier BV
• Subjects: Boundary conditions; Conduction heating; Conductive heat transfer; Dual-phase-lag theory; Fourier law; Fracture mechanics; Functionally gradient materials; High temperature; Integral transform; Integral transforms; Interface crack; Interfacial cracks; Mathematical analysis; Orthotropic functionally graded coating; Partial differential equations; Phase lag; Singular integral equation; Singular integral equations; Stress intensity factors; Substrates; Thermal barrier coatings; Thermal stress; Thermal stress intensity factor; Thickness; Transient heat conduction; Orthotropic functionally graded coating; Thermal stress intensity factor; Singular integral equation; Dual-phase-lag theory; Interface crack; Integral transform

•A partially insulated crack in FGM coating/substrate structure is analyzed by the dual-phase-lag theory.•Integral transform coupled with singular integral equations are utilized.•Parametric investigations are conducted to benefit the optimizing of these structures. Serving as thermal barrier coatin...