JSME International Journal Series A Solid Mechanics and Material Engineering
Online ISSN : 1347-5363
Print ISSN : 1344-7912
ISSN-L : 1344-7912
Fracture & Fatigue
Stress Intensity Factor at the Edge Point of a Bonded Strip under Thermal Loading
Dai-Heng CHENKazunori NONOMURAKuniharu USHIJIMA
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2001 Volume 44 Issue 4 Pages 550-555

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Abstract

In this study, the singular stress field around the edge point of a bonded strip subjected to thermal loading is analyzed by the body force method. The intensity of the singular stress field is defined by a parameter called the stress intensity factor. Based on the numerical results, the effects of the strip geometry and material combination on the stress intensity factors are investigated. It is found that the singular stress σθ on the interface caused by heating or cooling may be positive or negative, depending on the material combination. Also, a unique relationship between the stress intensity factor K and the eigenvalue λ does not exist.

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© 2001 by The Japan Society of Mechanical Engineers
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