Influence of Lubricants on Wear and Self-Lubricating Mechanisms of Ni3Al Matrix Self-Lubricating Composites

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

doi:10.1007/s11665-014-1266-3

Influence of Lubricants on Wear and Self-Lubricating Mechanisms of Ni₃Al Matrix Self-Lubricating Composites

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

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

12 Citations (Scopus)

Abstract

A research is conducted on the possible beneficial synergistic effects of multiple additives in self-lubricating composites for use in high temperature friction and wear-related mechanical assemblies. Dry sliding tribological tests of Ni₃Al matrix self-lubricating composites (NMSCs) on a HT-1000 ball-on-disk high-temperature tribometer are undertaken against Si₃N₄ at 25-800 °C. The results show that the subsurface microstructures beneath wear scar of NMSCs change with addition of different lubricants, which have great effects on tribological mechanisms and tribological performances. NMSC with addition of MoS₂ and Ti₃SiC₂ exhibits distinct subsurface microstructure beneath wear scar and excellent tribological performance among all samples.

Original language	English
Pages (from-to)	280-295
Number of pages	16
Journal	Journal of Materials Engineering and Performance
Volume	24
Issue number	1
DOIs	https://doi.org/10.1007/s11665-014-1266-3
Publication status	Published - Jan 2015
Externally published	Yes

Keywords

friction coefficient
metal matrix composites
microstructure
wear mechanism
wear resistance

ASJC Scopus subject areas

General Materials Science
Mechanics of Materials
Mechanical Engineering

Access to Document

10.1007/s11665-014-1266-3

Cite this

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title = "Influence of Lubricants on Wear and Self-Lubricating Mechanisms of Ni3Al Matrix Self-Lubricating Composites",

abstract = "A research is conducted on the possible beneficial synergistic effects of multiple additives in self-lubricating composites for use in high temperature friction and wear-related mechanical assemblies. Dry sliding tribological tests of Ni3Al matrix self-lubricating composites (NMSCs) on a HT-1000 ball-on-disk high-temperature tribometer are undertaken against Si3N4 at 25-800 °C. The results show that the subsurface microstructures beneath wear scar of NMSCs change with addition of different lubricants, which have great effects on tribological mechanisms and tribological performances. NMSC with addition of MoS2 and Ti3SiC2 exhibits distinct subsurface microstructure beneath wear scar and excellent tribological performance among all samples.",

keywords = "friction coefficient, metal matrix composites, microstructure, wear mechanism, wear resistance",

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

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T1 - Influence of Lubricants on Wear and Self-Lubricating Mechanisms of Ni3Al Matrix Self-Lubricating Composites

AU - Yao, Jie

AU - Shi, Xiaoliang

AU - Zhai, Wenzheng

AU - Xu, Zengshi

AU - Ibrahim, Ahmed Mohamed Mahmoud

AU - Zhu, Qingshuai

AU - Xiao, Yecheng

AU - Chen, Long

AU - Zhang, Qiaoxin

PY - 2015/1

Y1 - 2015/1

N2 - A research is conducted on the possible beneficial synergistic effects of multiple additives in self-lubricating composites for use in high temperature friction and wear-related mechanical assemblies. Dry sliding tribological tests of Ni3Al matrix self-lubricating composites (NMSCs) on a HT-1000 ball-on-disk high-temperature tribometer are undertaken against Si3N4 at 25-800 °C. The results show that the subsurface microstructures beneath wear scar of NMSCs change with addition of different lubricants, which have great effects on tribological mechanisms and tribological performances. NMSC with addition of MoS2 and Ti3SiC2 exhibits distinct subsurface microstructure beneath wear scar and excellent tribological performance among all samples.

AB - A research is conducted on the possible beneficial synergistic effects of multiple additives in self-lubricating composites for use in high temperature friction and wear-related mechanical assemblies. Dry sliding tribological tests of Ni3Al matrix self-lubricating composites (NMSCs) on a HT-1000 ball-on-disk high-temperature tribometer are undertaken against Si3N4 at 25-800 °C. The results show that the subsurface microstructures beneath wear scar of NMSCs change with addition of different lubricants, which have great effects on tribological mechanisms and tribological performances. NMSC with addition of MoS2 and Ti3SiC2 exhibits distinct subsurface microstructure beneath wear scar and excellent tribological performance among all samples.

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KW - wear mechanism

KW - wear resistance

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