Effects of Si content and aging temperature on the wear resistance property of the surfacing layers welded with 4043 aluminum

Home > Archive>Volume 45, Issue 1, 2016 >71-74

Effects of Si content and aging temperature on the wear resistance property of the surfacing layers welded with 4043 aluminum
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                        Xu ZhenXu Zhen
The Key Laboratory of the Ministry of Education of China for Electromagnetic Processing of Materials, Northeastern University
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Zhao ZhihaoZhao Zhihao
The Key Laboratory of the Ministry of Education of China for Electromagnetic Processing of Materials, Northeastern University
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Han DongyueHan Dongyue
The Key Laboratory of the Ministry of Education of China for Electromagnetic Processing of Materials, Northeastern University
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Chen QingqiangChen Qingqiang
The Key Laboratory of the Ministry of Education of China for Electromagnetic Processing of Materials, Northeastern University
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Cui JianzhongCui Jianzhong
The Key Laboratory of the Ministry of Education of China for Electromagnetic Processing of Materials, Northeastern University
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Affiliation:The Key Laboratory of the Ministry of Education of China for Electromagnetic Processing of Materials, Northeastern University
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Fund Project:the National Natural Science Foundation of China (51172147, 50702034); the Shenzhen Science and Technology Research(JC201005280437A)

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Abstract:

4043 aluminum welding wire has been extensively used for welding 6000 series aluminum alloys due to the good flow ability of the fusion state and low cracking tendency during welding process. Some scratches and wear on the surface of aluminum structural components can be repaired by surface welding with the 4043 aluminum welding wires. In the present study, the influence of Si content and aging temperature on the wear resistance property of the surfacing layers welded by tungsten inert gas (TIG) welding using the 4043 aluminum welding wires has been analyzed by optical microscopy, scanning electron microscopy, hardness testing and abrasive wear testing. The results showed that increase in Si content increased the fraction of eutectic Si particles. The heat treatment spheroidized eutectic Si particles and further improved the wear resistance property of the surfacing layers.

Key words:surfacing weld; wear resistance; microstructure; properties; heat treatment

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[Xu Zhen, Zhao Zhihao, Han Dongyue, Chen Qingqiang, Cui Jianzhong. Effects of Si content and aging temperature on the wear resistance property of the surfacing layers welded with 4043 aluminum[J]. Rare Metal Materials and Engineering,2016,45(1):71~74.]
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Received:June 20,2014
Revised:July 04,2014
Adopted:August 12,2014
Online: January 04,2019
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