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Title:
Microstructure and mechanical properties of aluminum 5083 weldments by gas tungsten arc and gas metal arc welding
Author: Liu Y(刘垚); Wang WJ; Xie JJ(谢季佳); Sun SG; Wang L; Qian Y(钱野); Meng Y(孟媛); Wei YJ(魏宇杰)
Source: MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Issued Date: 2012-07-15
Volume: 549, Pages:7-13
Abstract: The mechanical properties and microstructural features of aluminum 5083 (AI5083) weldments processed by gas tungsten arc welding (GTAW) and gas metal arc welding (GMAW) are investigated. Weldments processed by both methods are mechanically softer than the parent material AI5083, and could be potential sites for plastic localization. It is revealed that AI5083 weldments processed by GTAW are mechanical more reliable than those by GMAW. The former bears higher strength, more ductility, and no apparent microstructure defects. Perceivable porosity in weldments by GMAW is found, which could account for the distinct mechanical properties between weldments processed by GTAW and GMAW. It is suggested that caution should be exercised when using GMAW for AI5083 in the high-speed-train industry where such light weight metal is broadly used.
Keyword: Gas tungsten arc welding ; Gas metal arc welding ; Aluminum 5083 ; Strength ; Failure ; Alloys ; AI5083 ; Superplasticity
Language: 英语
Indexed Type: SCI ; EI
Corresponding Author: Wei, YJ ; Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
Correspondent Email: yujie_wei@lnm.imech.ac.cn
Related URLs: 查看原文
WOS ID: WOS:000305373800002
ISSN: 0921-5093
Rank: [Liu, Yao;Xie, Jijia; Qian, Ye; Meng, Yuan; Wei, Yujie] Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China; [Wang, Wenjing; Sun, Shouguang] Beijing Jiaotong Univ, Sch Mech Elect & Control Engn, Beijing 100044, Peoples R China; [Wang, Liang] Chongqing Univ Sci & Technol, Coll Met & Mat Engn, Chongqing 401331, Peoples R China
Subject: 固体力学::新型材料的力学问题
Department: LNM微结构计算力学(筹)
Classification: 一类
Citation statistics:
Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/46707
Appears in Collections:非线性力学国家重点实验室_期刊论文

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Recommended Citation:
Liu Y,Wang WJ,Xie JJ,et al. Microstructure and mechanical properties of aluminum 5083 weldments by gas tungsten arc and gas metal arc welding[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2012-07-15,549:7-13.
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