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HE Peng, FENG Ji-cai, QIAN Yi-yu. Distributions of Residual Stresses in Diffusion Bond of Dissimilar Materials and Effect of Interlayer[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2002, (1): 76-80.
Citation: HE Peng, FENG Ji-cai, QIAN Yi-yu. Distributions of Residual Stresses in Diffusion Bond of Dissimilar Materials and Effect of Interlayer[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2002, (1): 76-80.
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Distributions of Residual Stresses in Diffusion Bond of Dissimilar Materials and Effect of Interlayer

  • National Key Laboratory of Advanced Welding Production Technology, Harbin Institute of Technology, Harbin 150001, China

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  • Received Date: February 22, 2001
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  • Distributions of residual stresses in diffusion bond of dissimilar materials were simulated by FEM calculation.Results showed that destructive residual stresses presented in the minute area adjacent to bond line of the base material with smaller coefficient of expansion.Reducing bond temperature and diminishing bond time are in favor of the mollification of interface stresses.Concepts of the residual stress factor Rf and the thickness factor Tf were propounded.As selecting active layer,the interlayer with smaller|Rf|and Tf should be given precedence,and with a prerequisite of sufficient physical contact a small thickness of the interlayer is finer.
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