焊前清理对铝合金厚板搅拌摩擦焊接头S线及性能的影响

李帅贞; 韩晓辉; 毛镇东; 刘勇; 徐野

高速列车金属材料及焊接先进技术 | 浏览量 : 0 下载量: 126 CSCD: 4

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焊前清理对铝合金厚板搅拌摩擦焊接头S线及性能的影响
Effect of pre-welding cleaning on the S-line and the properties of FSW joints of the aluminum alloy thick plate
2018年48卷第3期页码：80-85
DOI：

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李帅贞, 韩晓辉, 毛镇东, 等. 焊前清理对铝合金厚板搅拌摩擦焊接头S线及性能的影响[J]. 电焊机, 2018,48(3):80-85.

LI Shuaizhen, HAN Xiaohui, MAO Zhendong, et al. Effect of pre-welding cleaning on the S-line and the properties of FSW joints of the aluminum alloy thick plate[J]. 2018,48(3):80-85.
李帅贞, 韩晓辉, 毛镇东, 等. 焊前清理对铝合金厚板搅拌摩擦焊接头S线及性能的影响[J]. 电焊机, 2018,48(3):80-85. DOI：

LI Shuaizhen, HAN Xiaohui, MAO Zhendong, et al. Effect of pre-welding cleaning on the S-line and the properties of FSW joints of the aluminum alloy thick plate[J]. 2018,48(3):80-85. DOI：

摘要

采用焊前清理及无焊前清理两种工艺,深入研究焊前清理对铝合金厚板搅拌摩擦焊接头S线及性能影响,通过一系列试验对比发现,焊前清理有助于改善接头微观组织,同时焊前清理可以减弱S线,尤其是S线的分布宽度,有利于提高接头力学性能。

Abstract

The effect of pre-welding cleaning on the S-line and properties of the FSW joints of the aluminum alloy thick plates was studied by contrast of the specimens with pre-welding cleaning and without pre-welding cleaning. The following conclusions were drawn from a series of experiments. The pre-welding cleaning helped to improve joint microstructure. At the same time,the effect of pre-weld cleaning on the FSW joint was shown to weaken the S-line,especially the width of the S-line. The pre-weld cleaning could also improve the mechanical properties of joints.

关键词

搅拌摩擦焊焊前清理微观组织S线力学性能

Keywords

friction stir weldingpre-welding cleaningmicrostructureS-linemechanical properties

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