基于正交试验的X80管线钢MIG焊工艺优化MIG Welding Process Optimization of X80 Pipeline Steel Based on Orthogonal Test
侯阳,李雪芝,周建平,王恪典
摘要(Abstract)：
为优化X80管线钢MIG焊的工艺参数,对MIG焊过程中的电弧电压、焊接电流、焊接速度、坡口间隙四个工艺参数进行了正交试验,以焊接接头应力峰值为评价指标,使用极差分析方法,获得了最优的工艺参数.借助ANSYS软件对最优的工艺参数进行模拟计算,得到了应力峰值在接头处的分布情况.结果表明:极差分析法能有效获得最优工艺参数,且焊接速度是接头处应力峰值的主要影响因素,其次为电弧电压、焊接电流、坡口间隙.研究结果为优化X80管线钢焊接工艺、有效减小焊后应力峰值提供了参考.
关键词(KeyWords)： 正交试验;应力峰值;极差分析;数值模拟
基金项目(Foundation): 新疆维吾尔自治区高校科研项目(XJEDU2018I006)
作者(Author): 侯阳,李雪芝,周建平,王恪典
DOI: 10.13568/j.cnki.651094.651316.2020.04.23.0001
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