2020-08-13
随着铝合金广泛应用和绿色设计的推广，焊接成为了修复铝合金产品的重要技术之一，焊接后产品的性能质量便受到了关注。对铝合金焊接中常出现的气孔、裂纹缺陷进行了详细介绍，分析了缺陷产生的原因和防护措施。为了实现对焊接质量的调控，从焊接热输入和组织细化的角度对焊接质量调控机理进行了详细综述：分析得出焊接过程热输入量会影响焊缝组织形态，焊缝中元素状态以及金属脆性化合物的形成从而影响接头性能；描述了常见的焊缝组织形态，从过冷度和异质成核角度分析了细化组织的机制。最后在综述基础上提出了未来铝合金焊接质量的研究方向。
School of Mechanical Engineering,Hefei University of Technology,Hefei,230009;Key Laboratory of Green Design and Manufacturing of Mechanical Industry,Hefei,230009,School of Mechanical Engineering,Hefei University of Technology,Hefei,230009;Key Laboratory of Green Design and Manufacturing of Mechanical Industry,Hefei,230009,School of Mechanical Engineering,Hefei University of Technology,Hefei,230009;Key Laboratory of Green Design and Manufacturing of Mechanical Industry,Hefei,230009
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