用Gleeble-3800热变形模拟试验机研究了锻态00Cr25Ni7Mo4N超级双相不锈钢在900～1 300 ℃时的高温拉伸塑性和高温变形组织特征.结果表明:温度对锻态超级双相不锈钢的热塑性影响显著,在1 100～1 200 ℃具有良好的热塑性,在1 200 ℃时断面收缩率最高达到70%,温度超过1 200 ℃后,热塑性下降明显;高温固溶处理对该不锈钢的热塑性有很大的影响,固溶处理温度为1 100 ℃时,热塑性提高.
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