Hybrid Friction Stir Welding of High-carbon Steel

被引：28

作者：

Choi, Don-Hyun ^{[1
]}

Lee, Chang-Yong ^{[2
]}

Ahn, Byung-Wook ^{[1
]}

Choi, Jung-Hyun ^{[1
]}

Yeon, Yun-Mo ^{[3
]}

Song, Keun ^{[3
]}

Hong, Seung-Gab ^{[4
]}

Lee, Won-Bae ^{[4
]}

Kang, Ki-Bong ^{[4
]}

Jung, Seung-Boo ^{[1
]}

机构：

[1] Sungkyunkwan Univ, Sch Adv Mat Sci & Engn, Suwon 440746, Gyeonggi Do, South Korea

[2] Korea Adv Inst Sci & Technol, Dept Mech Engn, Taejon 305701, South Korea

[3] Suwon Sci Coll, Dept Adv Mat Applicat, Hwasung 445742, Gyeonggi Do, South Korea

[4] POSCO Corp, Tech Res Lab, Pohang 790785, Gyeongbuk, South Korea

来源：

JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY | 2011年 / 27卷 / 02期

关键词：

Friction stir welding; High-carbon steel; Transformation; Martensite; MECHANICAL-PROPERTIES; MICROSTRUCTURES;

D O I：

10.1016/S1005-0302(11)60037-6

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A high-carbon steel joint, SK5 (0.84 wt% C), was successfully welded by friction stir welding (FSW), both without and with a gas torch, in order to control the cooling rate during welding. After welding, the weld zone comprised gray and black regions, corresponding to microstructural variation: a martensite structure and a duplex Structure of ferrite and cementite, respectively. The volume fraction of the martensite structure and the Vickers hardness in the welds were decreased with the using of the gas torch, which was related with the lower cooling rate.

引用

页码：127 / 130

页数：4

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