Friction and Wear Behaviors of Fe-19Cr-15Mn-0.66N Steel at High Temperature

The friction and wear behaviors of Fe-19Cr-15Mn-0.66N steel were investigated under applied loads of 5 N and 15 N at the wear-testing temperatures of 300 °C and 500 °C using a ball-on-disc tribometer. The wear tracks were evaluated by scanning electron microscopy (SEM) and laser scanning confocal mi...

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Autores principales:	Shaolong Sheng, Huiling Zhou, Xiaojing Wang, Yanxin Qiao, Hongtao Yuan, Jian Chen, Lanlan Yang, Dongpeng Wang, Zhenguang Liu, Jiasheng Zou, Zhibin Zheng, Jingyong Li
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	high-nitrogen austenitic stainless steel wear friction coefficient high temperature Engineering (General). Civil engineering (General) TA1-2040
Acceso en línea:	https://doaj.org/article/8aad841bc5e945328e0e460bec41fa81
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spelling	oai:doaj.org-article:8aad841bc5e945328e0e460bec41fa812021-11-25T17:15:34ZFriction and Wear Behaviors of Fe-19Cr-15Mn-0.66N Steel at High Temperature10.3390/coatings111112852079-6412https://doaj.org/article/8aad841bc5e945328e0e460bec41fa812021-10-01T00:00:00Zhttps://www.mdpi.com/2079-6412/11/11/1285https://doaj.org/toc/2079-6412The friction and wear behaviors of Fe-19Cr-15Mn-0.66N steel were investigated under applied loads of 5 N and 15 N at the wear-testing temperatures of 300 °C and 500 °C using a ball-on-disc tribometer. The wear tracks were evaluated by scanning electron microscopy (SEM) and laser scanning confocal microscopy (LSCM) to reveal the variation in morphologies. Energy-dispersive X-ray spectroscopy (EDS) and X-ray photoelectron spectroscopy (XPS) were used to determine the components of oxide layers formed on wear surfaces. The results demonstrated that the oxide layers are favorable for obtaining a low friction coefficient under all conditions. The average friction coefficient decreased with increasing load at 300 °C, while it increased with the increase in applied load at 500 °C. At 300 °C, severe abrasive wear characterized by grooves resulted in a high friction coefficient with 5 N applied, whereas the formation of a denser oxide layer consisting of Cr<sub>2</sub>O<sub>3</sub>, FeCr<sub>2</sub>O<sub>4</sub>, Fe<sub>2</sub>O<sub>3</sub>, etc., and the increased hardness caused by work hardening led to a decrease in friction characterized by mild adhesive wear. At 500 °C, the transformation of Fe<sub>2</sub>O<sub>3</sub> to the relatively softer Fe<sub>3</sub>O<sub>4</sub> and the high production of lubricating Mn<sub>2</sub>O<sub>3</sub> resulted in a minimum average friction coefficient (0.34) when 5 N was applied. However, the softening caused by high temperature weakened the hardening effect, and thus the friction coefficient increased with 15 N applied at 500 °C.Shaolong ShengHuiling ZhouXiaojing WangYanxin QiaoHongtao YuanJian ChenLanlan YangDongpeng WangZhenguang LiuJiasheng ZouZhibin ZhengJingyong LiMDPI AGarticlehigh-nitrogen austenitic stainless steelwearfriction coefficienthigh temperatureEngineering (General). Civil engineering (General)TA1-2040ENCoatings, Vol 11, Iss 1285, p 1285 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	high-nitrogen austenitic stainless steel wear friction coefficient high temperature Engineering (General). Civil engineering (General) TA1-2040
spellingShingle	high-nitrogen austenitic stainless steel wear friction coefficient high temperature Engineering (General). Civil engineering (General) TA1-2040 Shaolong Sheng Huiling Zhou Xiaojing Wang Yanxin Qiao Hongtao Yuan Jian Chen Lanlan Yang Dongpeng Wang Zhenguang Liu Jiasheng Zou Zhibin Zheng Jingyong Li Friction and Wear Behaviors of Fe-19Cr-15Mn-0.66N Steel at High Temperature
description	The friction and wear behaviors of Fe-19Cr-15Mn-0.66N steel were investigated under applied loads of 5 N and 15 N at the wear-testing temperatures of 300 °C and 500 °C using a ball-on-disc tribometer. The wear tracks were evaluated by scanning electron microscopy (SEM) and laser scanning confocal microscopy (LSCM) to reveal the variation in morphologies. Energy-dispersive X-ray spectroscopy (EDS) and X-ray photoelectron spectroscopy (XPS) were used to determine the components of oxide layers formed on wear surfaces. The results demonstrated that the oxide layers are favorable for obtaining a low friction coefficient under all conditions. The average friction coefficient decreased with increasing load at 300 °C, while it increased with the increase in applied load at 500 °C. At 300 °C, severe abrasive wear characterized by grooves resulted in a high friction coefficient with 5 N applied, whereas the formation of a denser oxide layer consisting of Cr<sub>2</sub>O<sub>3</sub>, FeCr<sub>2</sub>O<sub>4</sub>, Fe<sub>2</sub>O<sub>3</sub>, etc., and the increased hardness caused by work hardening led to a decrease in friction characterized by mild adhesive wear. At 500 °C, the transformation of Fe<sub>2</sub>O<sub>3</sub> to the relatively softer Fe<sub>3</sub>O<sub>4</sub> and the high production of lubricating Mn<sub>2</sub>O<sub>3</sub> resulted in a minimum average friction coefficient (0.34) when 5 N was applied. However, the softening caused by high temperature weakened the hardening effect, and thus the friction coefficient increased with 15 N applied at 500 °C.
format	article
author	Shaolong Sheng Huiling Zhou Xiaojing Wang Yanxin Qiao Hongtao Yuan Jian Chen Lanlan Yang Dongpeng Wang Zhenguang Liu Jiasheng Zou Zhibin Zheng Jingyong Li
author_facet	Shaolong Sheng Huiling Zhou Xiaojing Wang Yanxin Qiao Hongtao Yuan Jian Chen Lanlan Yang Dongpeng Wang Zhenguang Liu Jiasheng Zou Zhibin Zheng Jingyong Li
author_sort	Shaolong Sheng
title	Friction and Wear Behaviors of Fe-19Cr-15Mn-0.66N Steel at High Temperature
title_short	Friction and Wear Behaviors of Fe-19Cr-15Mn-0.66N Steel at High Temperature
title_full	Friction and Wear Behaviors of Fe-19Cr-15Mn-0.66N Steel at High Temperature
title_fullStr	Friction and Wear Behaviors of Fe-19Cr-15Mn-0.66N Steel at High Temperature
title_full_unstemmed	Friction and Wear Behaviors of Fe-19Cr-15Mn-0.66N Steel at High Temperature
title_sort	friction and wear behaviors of fe-19cr-15mn-0.66n steel at high temperature
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/8aad841bc5e945328e0e460bec41fa81
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Friction and Wear Behaviors of Fe-19Cr-15Mn-0.66N Steel at High Temperature

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