Microstructure, mechanical properties, and wear properties of friction-stir processed S45C steel

被引：13

作者：

Park, Jong-Wook ^{[1
]}

Jung, Hee-Young ^{[2
]}

Jeong, Wonki ^{[3
]}

Shin, Se-Eun ^{[3
]}

Fujii, Hidetoshi ^{[4
]}

Kim, Hyun-Joon ^{[2
]}

Lee, Seung-Joon ^{[1
]}

机构：

[1] Tech Univ Korea, Dept Adv Mat Engn, Shihung 15073, South Korea

[2] Kyungpook Natl Univ, Dept Precis Mech Engn, Sangju, South Korea

[3] Sunchon Natl Univ, Dept Mat Sci & Met Engn, Sunchon 57922, South Korea

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

来源：

TRIBOLOGY INTERNATIONAL | 2023年 / 186卷

基金：

新加坡国家研究基金会;

关键词：

Friction stir welding; Phase transformation; Recrystallization; Wear properties; LOW-CARBON-STEEL; WELDED HIGH-CARBON; ABRASIVE WEAR; TEXTURE EVOLUTION; CRYSTALLOGRAPHIC TEXTURE; DELAMINATION THEORY; WELDING PARAMETERS; TENSILE PROPERTIES; WARM DEFORMATION; RESIDUAL-STRESS;

D O I：

10.1016/j.triboint.2023.108646

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The present study aims to investigate the microstructure, mechanical properties, and wear resistance of S45C steel after friction-stir welding (FSW) by using a sliding wear test, a 3D laser scanning microscope, and an electron backscattered diffractometer. The base metal showed long ploughing and cutting, indicating adhesive/ abrasive wear. After FSW, the thermo-mechanical affected zone presented better wear resistance, displaying only abrasions due to accumulated dislocations and grain refinement mainly due to continuous dynamic recrystallization. The stir zone showed the highest wear resistance, with short ploughing and cutting due to its higher strain hardening capability.

引用

页数：16

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