Al-Mg-Si铝合金6061焊接接头结晶裂纹形成机理的研究
Study on Forming Mechanisms of Crystal Crack in Welded Joint of Al-Mg-Si Aluminum Alloy 6061
谢业东
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作者单位：广西工业职业技术学院
中文关键字：铝合金；液态金属；收缩；拉应力；结晶裂纹
英文关键字：aluminum alloy; liquid metal; shrink; tensile stress; crystal crack
中文摘要：针对Al-Mg-Si铝合金6061焊接结晶裂纹问题进行了研究。通过宏观和微观组织分析，对焊缝区结晶裂纹的形成机理进行了研究，并提出了防止焊接结晶裂纹的有效措施。
英文摘要： The problem of the welding crystal crack in Al-Mg-Si aluminum alloy 6061 was researched．By analyzing of macrostructure and microstructure，the forming mechanisms of the welding crystal crack in weld zone were researched，and effective methods were proposed to the eliminate welding crystal crack．