摘要:以焊接热循环的计算结果为基础,采用Gleeble-1500型热模拟试验机研究了JG590钢焊接热循环对焊接热影响区粗晶区(CGHAZ)组织、冲击韧度和硬度的影响规律,获得了模拟焊接热影响区连续冷却组织转变图(SH-CCT图);通过传热计算数据和焊接热模拟测试结果,实现了对JG590钢CGHAZ区组织性能的预测和控制。
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