连续管激光焊对接接头组织性能分析

Petro & Chemical Equipment(2018)

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Abstract
目前连续管管—管对接焊多采用氩弧焊工艺,但存在稳定性及可靠性不足的问题.鉴于激光焊热影响区小、不需要填充金属等优点,笔者拟对连续管进行激光焊焊接,并对环焊缝的接头组织性能进行分析,以探索激光焊技术用于连续管对接焊的可行性.实验结果表明,由于功率较小、焊接速度慢导致环缝的软化区出现在不完全相变区、回火区,尚需要进一步优化调整焊接工艺.
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