ZG15Cr1Mo1V铸件热补焊技术
Welding & Joining(2021)
Abstract
确定了ZG15Cr1Mo1V铸件的开裂位置为联合阀体R角位置.对缺陷周围的母材成分、组织和性能情况进行了检测,该铸件具备焊接修复条件.对ZG15 Cr1 Mo1V钢的焊接性及焊接修复要点进行了分析,采用同材质热补焊的工艺方法及整体热处理方式,成功对某电厂中压再热联合调阀ZG15Cr1Mo1V铸件进行了焊接修复,已安全稳定运行4年.
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