对0.4 mm厚443铁素体不锈钢板进行了电阻缝焊试验,分析了随焊水冷与自然冷却两种状态下接头的组织、静载拉伸性能、杯凸拉伸性能和耐晶间腐蚀性能.结果表明:443铁素体不锈钢焊接接头的焊缝熔合区为粗大的柱状晶组织,热影响区的晶粒度与母材的接近,水冷对热影响区的晶粒尺寸没有明显影响；接头具有较高的静载强度,其塑性约为母材的72％；接头具有良好的耐晶间腐蚀性能.
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