【摘 要】
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Hook defect is one of the trickiest issues for friction stir lap welding,which remains to be resolved.In this study,a designed pin with an enlarged-end was prop
【机 构】
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StateKeyLaboratoryofAdvancedWeldingandJoining,ShanghaiLingyunAutomobileR&,DBranchCompany
【基金项目】
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supported by the National Natural Science Foundation of China(No.51575132)