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

Jong Wook Park; Hee Young Jung; Wonki Jeong; Se Eun Shin; Hidetoshi Fujii; Hyun Joon Kim; Seung Joon Lee

doi:10.1016/j.triboint.2023.108646

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

Jong Wook Park, Hee Young Jung, Wonki Jeong, Se Eun Shin, Hidetoshi Fujii, Hyun Joon Kim, Seung Joon Lee

Research output: Contribution to journal › Letter › peer-review

14 Scopus citations

Abstract

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.

Original language	English
Article number	108646
Journal	Tribology International
Volume	186
DOIs	https://doi.org/10.1016/j.triboint.2023.108646
State	Published - Aug 2023

Keywords

Friction stir welding
Phase transformation
Recrystallization
Wear properties

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10.1016/j.triboint.2023.108646

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

abstract = "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.",

keywords = "Friction stir welding, Phase transformation, Recrystallization, Wear properties",

author = "Park, {Jong Wook} and Jung, {Hee Young} and Wonki Jeong and Shin, {Se Eun} and Hidetoshi Fujii and Kim, {Hyun Joon} and Lee, {Seung Joon}",

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doi = "10.1016/j.triboint.2023.108646",

language = "English",

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T1 - Microstructure, mechanical properties, and wear properties of friction-stir processed S45C steel

AU - Park, Jong Wook

AU - Jung, Hee Young

AU - Jeong, Wonki

AU - Shin, Se Eun

AU - Fujii, Hidetoshi

AU - Kim, Hyun Joon

AU - Lee, Seung Joon

PY - 2023/8

Y1 - 2023/8

N2 - 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.

AB - 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.

KW - Friction stir welding

KW - Phase transformation

KW - Recrystallization

KW - Wear properties

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U2 - 10.1016/j.triboint.2023.108646

DO - 10.1016/j.triboint.2023.108646

M3 - Letter

AN - SCOPUS:85160791036

SN - 0301-679X

VL - 186

JO - Tribology International

JF - Tribology International

M1 - 108646

ER -

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

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Keywords

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