Influence of friction stir welding parameters on grain size and formability in 5083 aluminum alloy

被引：170
作者：
Hirata, Tomotake
Oguri, Taizo
Hagino, Hideki
Tanaka, Tsutomu
Chung, Sung Wook
Takigawa, Yorinobu
Higashi, Kenji
机构：
[1] Technol Res Inst Osaka Prefecture, Izumi, Osaka 5941157, Japan
[2] Creat Core Higashib Osaka, Osaka Ind Promot Org, Div Technol Licensing Org, Higashiosaka, Osaka 5770011, Japan
[3] Osaka Prefecture Univ, Grad Sch Engn, Sakai, Osaka 5998531, Japan
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2007年 / 456卷 / 1-2期
关键词：
aluminum alloy; friction stir welding; grain size; Hall-Petch relation; formability;
D O I：
10.1016/j.msea.2006.12.079
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Friction stir welding (FSW) has received a great deal of attention as a new solid-state welding technique. In the present study, the relationship between the microstructure of stir zone and the mechanical property of FS-welded 5083 aluminum alloy was investigated. The microstructures of the stir zones consisted of fine equiaxed grains at various FSW conditions in FS-welded 5083 Al alloy. However, the grain size of the stir zone decreased with the decrease in friction heat flow during FSW. The ductility in FS-welded 5083 Al alloy increased with the decrease in friction beat flow. It was indicated that the formability in FS-welded 5083 Al alloy was improved by the refinement of grain size of the stir zone. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：344 / 349
页数：6
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