[1]李 欢,齐芃芃,周金旭,等.不同焊接材料对6008-T7铝合金焊接接头组织和性能的影响[J].焊管,2022,45(3):32-35,40.[doi:10.19291/j.cnki.1001-3938.2022.03.006]
 LI Huan,QI Pengpeng,ZHOU Jinxu,et al.Effect of Different Welding Materials on Microstructure and Properties of 6008-T7 Aluminum Alloy Welded Joints[J].,2022,45(3):32-35,40.[doi:10.19291/j.cnki.1001-3938.2022.03.006]
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不同焊接材料对6008-T7铝合金焊接接头组织和性能的影响()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
45
期数:
2022年第3期
页码:
32-35,40
栏目:
应用与开发
出版日期:
2022-03-28

文章信息/Info

Title:
Effect of Different Welding Materials on Microstructure and Properties of 6008-T7 Aluminum Alloy Welded Joints
文章编号:
10.19291/j.cnki.1001-3938.2022.03.006
作者:
李 欢齐芃芃周金旭金 鑫金文福邓 鑫
辽宁忠旺集团有限公司, 辽宁 辽阳 111003
Author(s):
LI Huan QI Pengpeng ZHOU Jinxu JIN Xin JIN Wenfu DENG Xin
Liaoning Zhongwang Group Co., Ltd., Liaoyang 111003, Liaoning, China
关键词:
铝合金焊缝热影响区焊接接头晶粒细化
Keywords:
aluminum alloy weld heat affected zone welded joints grain refinement
分类号:
TG457.14
DOI:
10.19291/j.cnki.1001-3938.2022.03.006
文献标志码:
A
摘要:
为了研究ER5087和ER5356两种铝合金焊丝对6008-T7铝合金MIG焊焊接接头微观组织与性能的影响,通过拉伸试验、弯曲试验、硬度检测以及微观金相组织观察等方法,对两种不同铝合金焊丝焊接接头的性能进行了分析研究。结果显示,两种焊丝的焊接接头拉伸性能相当,且都具有良好的弯曲性能;同时,二者的硬度分布趋势也相近,都沿焊缝中心对称分布,硬度最低值均出现在热影响区内;两种焊接接头的热影响区和熔合区组织相似,焊缝区组织形貌相近,但ER5087焊丝的焊缝区组织更加细化。研究表明,在无其他特殊要求的前提下,ER5087和ER5356焊丝在实际生产中均可用于6008-T7铝合金产品的焊接。
Abstract:
In order to study the effects of ER5087 and ER5356 aluminum alloy welding wire on the microstructure and properties of 6008-T7 aluminum alloy MIG welded joints, the properties of the welded joints of two different 5-series aluminum alloy welding wires were analyzed and studied by means of tensile test, bending test, hardness test and metallographic structure observation. The results show that the tensile properties of the welded joints of the two kinds of welding wire are the same, and both have good bending properties. At the same time, their hardness distribution trends are also similar, they are symmetrically distributed along the weld center, and the lowest hardness values both appear in the heat affected zone. The microstructure of heat affected zone and fusion zone of the two welded joints is similar, and the microstructure of weld zone is similar, but the microstructure of weld zone of ER5087 welding wire is more refined. The test shows that ER5087 and ER5356 welding wires can be used to weld 6008-T7 aluminum alloy products in actual production without other special requirements.

参考文献/References:

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备注/Memo

备注/Memo:
收稿时间:2021-11-30作者简介:李 欢(1991—),男,本科,主要从事铝合金焊接研究。
更新日期/Last Update: 2022-04-02