The morphologies of the deformation twins inthe austenitic stainless steel weld metals under dif-ferent materials combinations and welding conditionshave been examined by electron microscopy(EM).

• 利用电子显微镜对不同材料组合和焊接条件下，奥氏体不锈钢焊缝中形变挛晶的形态进行了观察。