Rapid prototyping of 4043 Al-alloy parts by cold metal transfer

被引：46
|
作者：
Nie, Yunpeng [1 ,2 ]
Zhang, Peilei [1 ,2 ]
Wu, Xi [1 ,2 ]
Li, Guojin [1 ,2 ]
Yan, Hua [1 ,2 ]
Yu, Zhishui [1 ,2 ]
机构：
[1] Shanghai Univ Engn Sci, Sch Mat Engn, Room 3109,333 LongTeng Rd, Shanghai 201620, Peoples R China
[2] Shanghai Collaborat Innovat Ctr Laser Adv Mfg Tec, Shanghai, Peoples R China
来源：
SCIENCE AND TECHNOLOGY OF WELDING AND JOINING | 2018年 / 23卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Rapid prototyping; 4043 aluminium alloy; cold metal transfer; layer deposition; microstructure; WIRE; MICROSTRUCTURE; TECHNOLOGIES; COMPONENTS; ART;
D O I：
10.1080/13621718.2018.1438236
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The macro-structure, microstructure and mechanical properties of 4043 aluminium-alloy parts manufactured by variable polarity cold metal transfer welding (CMT+Advance) have been investigated. The results showed that processing parameters have a strong effect on the geometry , microstructures, roughness and hardness of a deposited part. The problem of the hump and arc collapse was solved by the adjustment of specific welding parameters. Different morphologies were formed at different locations according to the observation of the microstructure. The elemental segregation was found between the layers of the component. The results showed that the dimensional accuracy of the single wall forming sample could be controlled much better by means of adjusting the parameters and optimising the path, thus excellent sample would be obtained.
引用
收藏
页码：527 / 535
页数：9
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