Thermal fatigue behaviour of Al2O3-DBC substrates under high temperature cyclic loading

Purpose The purpose of this paper is to study the phenomenology of Al2O3-DBC substrate thermal-cracking under different high temperature cyclic loadings. The extremely low cycle fatigue (ELCF) life prediction model for ductile materials was used to describe the thermal fatigue life of Al2O3-DBC subs...

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Veröffentlicht in:	Soldering & surface mount technology 2010-01, Vol.22 (2), p.43-48
Hauptverfasser:	Dong, Guangcheng, Chen, Xu, Zhang, Xinjian, Ngo, Khai D.T, Lu, Guo-Quan
Format:	Artikel
Sprache:	eng
Schlagworte:	Alumina Aluminum oxide Applied sciences Bond strength Ceramic bonding Ceramics Copper Crack initiation Crack propagation Cracks Cyclic loads Electronics Exact sciences and technology Fatigue Fatigue cracking Fatigue life Fatigue tests Finite element method Fracture mechanics Heat treating High temperature High temperature physics Interfacial cracks Life prediction Low cycle fatigue Materials Mathematical models Optical microscopes Phenomenology Plastic deformation Strain distribution Stress concentration Studies Substrates Surface tension Testing Thermal cycling Thermal cycling tests Thermal fatigue Thickness
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