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Ma Weidian, Tian Xitang. STUDY ON THE J-INTEGRAL FOR WELDED JOINTS WITH A CRACK IN THE TRANSVERSE HARD LAYER[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 1986, (1): 23-30.
Citation: Ma Weidian, Tian Xitang. STUDY ON THE J-INTEGRAL FOR WELDED JOINTS WITH A CRACK IN THE TRANSVERSE HARD LAYER[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 1986, (1): 23-30.
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STUDY ON THE J-INTEGRAL FOR WELDED JOINTS WITH A CRACK IN THE TRANSVERSE HARD LAYER

  • Harbin Institute of Technology

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  • Received Date: August 20, 1985
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  • In this paper,the J-integral for a heterogeneous strip with a crack in the trans-verse hard layer,which is a typical case of welded joints,is analyzed by elasto-plastic FEM under the plane stress condition.The results obtained show that the J-integral remains path-independent in spite of the mechanical heterogeneity.The narrower the hard layer is,the larger the J-integral value at the same load level will be.This coincides with the results of our earlier COD analysis.
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