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Welding between Aluminum Alloy and Steel Sheets by Using Transition Joints

机译:使用过渡接头焊接铝合金和钢板

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摘要

Hybrid car bodies can be used to exploit the comparative advantages of steels and aluminum alloys for car lightweighting. This development hinges on the deployment of effective hybrid joining technologies. Hybrid welding with transition joints between 1.35-mm-thick DP1000 dual-phase steel sheets and 2.5-mm-thick 6106 aluminum alloy sheets is here investigated. The transition joints are fabricated by explosion welding, with a titanium interlayer. The aluminum alloy sheet, the transition joint and the steel sheet are butt joined by arc welding, with appropriate fillers. The overall tensile strength of the hybrid joint is about two-thirds of the tensile strength of the homologous arc-welded joint fabricated by using the same aluminum alloy sheet, and it is not significantly affected by corrosion in still synthetic seawater.
机译:混合动力车车身可用于利用钢和铝合金汽车轻量化的比较优势。 这一发展涉及有效混合加入技术的部署。 HIARBRID焊接在1.35毫米厚的DP1000双相钢板和2.5毫米厚的6106铝合金片材之间进行过渡接头。 过渡接头通过爆炸焊接制造,具有钛层间。 铝合金板,过渡接头和钢板通过电弧焊接连接,具有适当的填料。 杂合接头的整体拉伸强度是通过使用相同的铝合金板制造的同源弧焊接头的拉伸强度的三分之二,并且在仍然是合成海水中的腐蚀的显着影响。

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