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Measurement of heat treatment induced residual stresses by using ESPI combined with hole-drilling method 被引量:2
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作者 Jie Cheng Si-Young Kwak Ho-Young Hwang 《China Foundry》 SCIE CAS 2010年第3期287-291,共5页
In this study, residual stresses in heat treated specimen were measured by using ESPI (Electronic Speckle-Pattern Interferometry) combined with the hole-drilling method.The specimen, made of SUS 304 austenitic stainle... In this study, residual stresses in heat treated specimen were measured by using ESPI (Electronic Speckle-Pattern Interferometry) combined with the hole-drilling method.The specimen, made of SUS 304 austenitic stainless steel, was quenched and water cooled to room temperature.Numerical simulation using a hybrid FDM/FEM package was also carried out to simulate the heat treatment process.As a result, the thermal stress fields were obtained from both the experiment and the numerical simulation.By comparision of stress fields, results from the experimental method and numerical simulation well agreed to each other, therefore, it is proved that the presented experimental method is applicable and reliable for heat treatment induced residual stress measurement. 展开更多
关键词 thermal stress heat treatment residual stress electron speckle-pattern interferometry hole-drillingmethod hybrid FDM/FEM
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