Synergetic lubricating effect of ws2 and ti3sic2 on tribological properties of ni3al matrix composites at elevated temperatures

Wenzheng Zhai; Xiaoliang Shi; Jie Yao; Zengshi Xu; Ahmed Mohamed Mahmoud Ibrahim; Qingshuai Zhu; Long Chen; Yecheng Xiao

doi:10.1080/10402004.2014.986353

Synergetic lubricating effect of ws₂ and ti₃sic₂ on tribological properties of ni₃al matrix composites at elevated temperatures

Wenzheng Zhai, Xiaoliang Shi, Jie Yao, Zengshi Xu, Ahmed Mohamed Mahmoud Ibrahim, Qingshuai Zhu, Long Chen, Yecheng Xiao

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

19 Citations (Scopus)

Abstract

The tribological behaviors of the Ni₃Al-WS₂-Ti₃SiC₂ composites and synergistic effect of composite solid lubricants are investigated from room temperature to 800° C. The results show that the Ni₃Al matrix composites (NASC) exhibit excellent tribological properties throughout the test temperatures compared to Ni₃Al-based alloy. The excellent tribological properties of NASC are attributed to the synergistic lubricating effect ofWS₂ and Ti₃SiC₂. A lubricating film could be formed below 400° C, and an oxidation protection film is formed above 400° C on the worn surface of NASC during the sliding process, leading to low coefficients of friction (0.18-0.39) and wear rates (1.5-3.7 x 10" mm³ N~ mT).

Original language	English
Pages (from-to)	454-466
Number of pages	13
Journal	Tribology Transactions
Volume	58
Issue number	3
DOIs	https://doi.org/10.1080/10402004.2014.986353
Publication status	Published - Jan 1 2015
Externally published	Yes

Keywords

Coupling Lubricants
Self-Lubricating Composites
Solid Lubrication Friction
Wear Mechanisms

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering
Surfaces and Interfaces
Surfaces, Coatings and Films

Access to Document

10.1080/10402004.2014.986353

Cite this

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title = "Synergetic lubricating effect of ws2 and ti3sic2 on tribological properties of ni3al matrix composites at elevated temperatures",

abstract = "The tribological behaviors of the Ni3Al-WS2-Ti3SiC2 composites and synergistic effect of composite solid lubricants are investigated from room temperature to 800° C. The results show that the Ni3Al matrix composites (NASC) exhibit excellent tribological properties throughout the test temperatures compared to Ni3Al-based alloy. The excellent tribological properties of NASC are attributed to the synergistic lubricating effect ofWS2 and Ti3SiC2. A lubricating film could be formed below 400° C, and an oxidation protection film is formed above 400° C on the worn surface of NASC during the sliding process, leading to low coefficients of friction (0.18-0.39) and wear rates (1.5-3.7 x 10{"} mm3 N~ mT).",

keywords = "Coupling Lubricants, Self-Lubricating Composites, Solid Lubrication Friction, Wear Mechanisms",

author = "Wenzheng Zhai and Xiaoliang Shi and Jie Yao and Zengshi Xu and {Mahmoud Ibrahim}, {Ahmed Mohamed} and Qingshuai Zhu and Long Chen and Yecheng Xiao",

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T1 - Synergetic lubricating effect of ws2 and ti3sic2 on tribological properties of ni3al matrix composites at elevated temperatures

AU - Zhai, Wenzheng

AU - Shi, Xiaoliang

AU - Yao, Jie

AU - Xu, Zengshi

AU - Mahmoud Ibrahim, Ahmed Mohamed

AU - Zhu, Qingshuai

AU - Chen, Long

AU - Xiao, Yecheng

N1 - Publisher Copyright: © Society of Tribologists and Lubrication Engineers

PY - 2015/1/1

Y1 - 2015/1/1

N2 - The tribological behaviors of the Ni3Al-WS2-Ti3SiC2 composites and synergistic effect of composite solid lubricants are investigated from room temperature to 800° C. The results show that the Ni3Al matrix composites (NASC) exhibit excellent tribological properties throughout the test temperatures compared to Ni3Al-based alloy. The excellent tribological properties of NASC are attributed to the synergistic lubricating effect ofWS2 and Ti3SiC2. A lubricating film could be formed below 400° C, and an oxidation protection film is formed above 400° C on the worn surface of NASC during the sliding process, leading to low coefficients of friction (0.18-0.39) and wear rates (1.5-3.7 x 10" mm3 N~ mT).

AB - The tribological behaviors of the Ni3Al-WS2-Ti3SiC2 composites and synergistic effect of composite solid lubricants are investigated from room temperature to 800° C. The results show that the Ni3Al matrix composites (NASC) exhibit excellent tribological properties throughout the test temperatures compared to Ni3Al-based alloy. The excellent tribological properties of NASC are attributed to the synergistic lubricating effect ofWS2 and Ti3SiC2. A lubricating film could be formed below 400° C, and an oxidation protection film is formed above 400° C on the worn surface of NASC during the sliding process, leading to low coefficients of friction (0.18-0.39) and wear rates (1.5-3.7 x 10" mm3 N~ mT).

KW - Coupling Lubricants

KW - Self-Lubricating Composites

KW - Solid Lubrication Friction

KW - Wear Mechanisms

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JO - Tribology Transactions

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