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首页> 外文期刊>Journal of Materials Engineering and Performance >Electrical, Corrosion, and Mechanical Properties of Aluminum-Copper Joints Produced by Explosive Welding
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Electrical, Corrosion, and Mechanical Properties of Aluminum-Copper Joints Produced by Explosive Welding

机译：爆炸焊接产生的铝铜接头的电，腐蚀和机械性能

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摘要

This study investigates the microstructure, electrical, corrosion, and mechanical properties of plate-shaped aluminum-copper couple produced using the explosive welding method. Mechanical tests, including hardness, tensile, tensile-shear, and impact test, concluded that the Al-Cu bimetal had an acceptable joint resistance. In this study, local intermetallic regions formed on the interface of the joint of the aluminum-copper bimetal, produced using the explosive welding technique. However, the formed intermetallic regions had no significant effect on the mechanical properties of the joint, except for increasing its hardness. According to electrical conductivity tests, the Al-Cu bimetal had an average electrical conductivity in comparison to the electrical conductivity of aluminum and copper, which were the original materials forming the joint. According to the results of electro-chemical corrosion test, during which galvanic corrosion formed, the Al side of the Al-Cu bimetal was more anodic due to its high electronegativity; as a result, it was exposed to more corrosion in comparison to the copper side.
机译：这项研究调查了使用爆炸焊接法生产的板状铝铜对的显微组织，电学，腐蚀和机械性能。包括硬度，拉伸，拉伸剪切和冲击测试在内的机械测试得出结论，Al-Cu双金属具有可接受的接头电阻。在这项研究中，使用爆炸焊接技术在铝铜双金属接头的界面上形成了局部金属间区域。但是，形成的金属间区域对接头的机械性能没有显着影响，除了增加了其硬度。根据电导率测试，与形成接头的原始材料铝和铜的电导率相比，Al-Cu双金属具有平均电导率。根据电化学腐蚀试验的结果，在形成电化学腐蚀的过程中，Al-Cu双金属的Al侧由于其高电负性而更加阳极化。结果，与铜面相比，它受到更多的腐蚀。

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