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搅拌摩擦焊焊接过程对材料弹性模量的影响 被引量:4

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摘要 对5mm厚2A12铝合金板进行了搅拌摩擦对焊试验,焊后加工成标准拉伸试样并进行了拉伸试验,结果表明:大部分焊接件的强度都能达到母材强度的90%以上,只有部分试件由于接头出现隧道型缺陷导致抗拉强度有所降低,但是也能够达到母材强度的75%以上。本文分析了焊接过程对焊接件弹性模量的影响,并建立了求解接头弹性模量的数学模型。根据模型求得的不同焊接参数下焊接区弹性模量与母材相比降低了12%~40%,这也就意味着焊接区抵抗变形的能力较母材有所下降。
出处 《焊接技术》 北大核心 2009年第8期22-25,共4页 Welding Technology
基金 辽宁省科技攻关项目(2006220025)
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参考文献11

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