AZ31B镁合金的脉冲电流气体保护钨极焊过程参数优化(英文)

被引:8
作者
G.PADMANABAN
V.BALASUBRAMANIAN
机构
[1] CenterforMaterialsJoiningandResearch(CEMAJOR),DepartmentofManufacturingEngineering,AnnamalaiUniversity
关键词
AZ31B镁合金; 脉冲电流气体保护钨极焊; 响应面方法; 优化; 拉伸强度;
D O I
暂无
中图分类号
TG444.74 [];
学科分类号
080201 ; 080503 ;
摘要
建立预测脉冲电流气体保护钨极焊AZ31B镁合金接头的拉伸强度经验方程。研究焊接过程参数如峰值电流、基础电流、脉冲频率和脉冲时间对焊接接头的影响。试验设计了一个四因素五水平的正交实验。建立的经验方程能够有效地预测脉冲电流钨电极惰性气体保护焊AZ31B镁合金的焊缝拉伸强度,可信度为95%。结果表明,脉冲频率对拉伸强度的影响最大,其次是峰值电流、脉冲时间和基电流。
引用
收藏
页码:467 / 476
页数:10
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