铝合金短周期拉弧式螺柱焊工艺研究  

Research on the Process of Aluminium Alloy Short Cycle Dyawn Arc Stud Welding

作　　者：李思维 武维煜 吴海旭 刘学 张春旭 LI Siwei;WU Weiyu;WU Haixu;LIU Xue;ZHANG Chunxu(Liaoning Zhongwang Group Co.,Ltd.,Liaoyang 111003,China)

机构地区：[1]辽宁忠旺集团有限公司,辽宁辽阳111003

出　　处：《铝加工》2024年第6期59-63,共5页Aluminium Fabrication

基　　金：国家重点研发计划项目(2021YFB3704205)。

摘　　要：对铝合金进行短周期拉弧式螺柱焊时,合适的焊接工艺参数是获得优良焊接接头的必要条件。针对2.5 mm厚6063-T6铝合金挤压型材进行螺柱焊工艺参数优化研究,通过控制变量的方法,分析了焊接电流、通电时间等参数对焊接接头的外观形貌、力学参数、金相组织及各区域组织特征的影响。经优化,获得了较佳的焊接工艺参数且焊接接头质量满足ISO14555:2017标准要求。Suitable welding process parameters are the necessary conditions for obtaining excellent welded joints in short-cycle drawn arc stud welding of aluminium alloy.The optimization of stud welding parameters for 6063-T6 aluminium alloy extruded profiles with thickness of 2.5 mm was studied.The influence of welding current,weld time and other parameters on the appearance,mechanical properties,metallographic structure and regional structure characteristics of welded joints was analyzed by controlling variables.After optimization,better welding parameters were obtained and the quality of the welded joint met the requirements of ISO 14555:2017.

关 键 词：铝合金 短周期拉弧式螺柱焊 工艺参数 空腔缺陷 

分 类 号：TG146.21[一般工业技术—材料科学与工程] TG457.14[金属学及工艺—金属材料]