热交换器用铝合金高频焊管接头组织与性能分析

Modern Manufacturing Engineering(2008)

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Abstract
管材所用铝合金带料为三层复合材料,外层为Al-Si钎料层,中间为Al-Mn芯材,内层为Al-Zn防腐层。带材经成型机组成型后再经高频焊接而成焊管。利用金相试验方法对一系列高频焊工艺焊接接头进行显微组织分析,并通过爆破试验对该接头进行力学性能测试。结果表明:利用高频焊接铝合金管是一种理想的焊接工艺。
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Key words
Crystal structure,High frequency welding,Clad aluminum alloy
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