相变超塑性焊接工艺及机理研究

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在Gleeble-1500热模拟试验机上,利用相变超塑性现象,进行了低碳钢,铸铁的对接焊及低碳钢与不锈钢之间的对接焊研究,分析了工艺参数对焊接接头的组织和性能的影响,研究了相变超塑性焊接时,材料的塑性变形和相变超塑性对扩散系数的影响,对这一焊接方法的机理作了分析和探讨。
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