Interface structure and mechanical properties of Fe/Al dissimilar lap joints formed by friction stir welding using an adjustable tool

被引：7

作者：

Wang, Xiaopei ^{[1
,4
]}

Morisada, Yoshiaki ^{[1
]}

Matsushita, Muneo ^{[2
]}

Igi, Satoshi ^{[2
]}

Inamoto, Shin ^{[3
]}

Kunisu, Masahiro ^{[3
]}

Fujii, Hidetoshi ^{[1
,4
]}

机构：

[1] Osaka Univ, Joining & Welding Res Inst, Ibaraki, Japan

[2] JFE Steel Corp, Chuo Ku, Tokyo, Japan

[3] Toray Res Ctr Ltd, Otsu, Japan

[4] Osaka Univ, Joining & Welding Res Inst, 11-1 Mihogaoka, Ibaraki, Osaka 5670047, Japan

来源：

SCIENCE AND TECHNOLOGY OF WELDING AND JOINING | 2023年 / 28卷 / 08期

关键词：

Friction stir welding; adjustable tool; dissimilar welding; intermetallic compounds; mechanical properties; INTERMETALLIC COMPOUND LAYER; PROCESS PARAMETERS; ALUMINUM-ALLOY; STRENGTH; STEEL; GROWTH; IRON;

D O I：

10.1080/13621718.2023.2210980

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Friction stir welding (FSW) of aluminum alloy and steel using an adjustable tool was carried out, which can effectively control the thickness and uniformity of the IMC layer. The continuous and uniform IMC layer as thin as about 0.4 mu m was obtained, owing to the strong material flow introduced by the adjustable probe. The strength of the welded joints increased as the thickness of the IMC layer decreased in the range of 0.9 mu m to 0.4 mu m. However, when the thickness of the IMC layer was below 0.4 mu m, it became nonuniform and discontinuous, decreasing the joint properties. In this study, a high-strength Fe/Al dissimilar lap FSW joint was obtained, ascribed to the more uniform and continuous thin IMC layer.

引用

页码：701 / 709

页数：9

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