Investigation of mechanical and tribological behaviors of multilayer graphene reinforced Ni3Al matrix composites

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

doi:10.1016/j.compositesb.2014.10.052

Investigation of mechanical and tribological behaviors of multilayer graphene reinforced Ni₃Al matrix composites

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

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

118 Citations (Scopus)

Abstract

Multilayer graphene (MLG) shows an attractive prospect for the demanding engineering applications. This paper reports the mechanical and tribological properties of MLG reinforced Ni₃Al matrix composites (NMCs) under dry sliding at varying sliding speed. The hardness and elastic modulus of the NMCs are significantly influenced with MLG content. It is found that the hardness and elastic modulus of the NMCs are found to be increased by increasing MLG content up to 1.0 wt.%, while decreased when MLG content is above 1.0 wt.%. Tribological experiments suggest that MLG can dramatically improve the wear resistance and decrease the friction coefficient of the NMCs. Such marked improvement of wear resistance is attributed to the reinforcing mechanisms of MLG, such as crack deflection and pull-out, and reduction of friction coefficient is related to the formation of a tribofilm on the sliding contact surface.

Original language	English
Pages (from-to)	149-155
Number of pages	7
Journal	Composites Part B: Engineering
Volume	70
DOIs	https://doi.org/10.1016/j.compositesb.2014.10.052
Publication status	Published - Mar 1 2015
Externally published	Yes

Keywords

A. Metal-matrix composites (MMCs)
B. Wear
D. Mechanical testing

ASJC Scopus subject areas

Ceramics and Composites
Mechanics of Materials
Mechanical Engineering
Industrial and Manufacturing Engineering

Access to Document

10.1016/j.compositesb.2014.10.052

Cite this

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title = "Investigation of mechanical and tribological behaviors of multilayer graphene reinforced Ni3Al matrix composites",

abstract = "Multilayer graphene (MLG) shows an attractive prospect for the demanding engineering applications. This paper reports the mechanical and tribological properties of MLG reinforced Ni3Al matrix composites (NMCs) under dry sliding at varying sliding speed. The hardness and elastic modulus of the NMCs are significantly influenced with MLG content. It is found that the hardness and elastic modulus of the NMCs are found to be increased by increasing MLG content up to 1.0 wt.\%, while decreased when MLG content is above 1.0 wt.\%. Tribological experiments suggest that MLG can dramatically improve the wear resistance and decrease the friction coefficient of the NMCs. Such marked improvement of wear resistance is attributed to the reinforcing mechanisms of MLG, such as crack deflection and pull-out, and reduction of friction coefficient is related to the formation of a tribofilm on the sliding contact surface.",

keywords = "A. Metal-matrix composites (MMCs), B. Wear, D. Mechanical testing",

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

year = "2015",

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doi = "10.1016/j.compositesb.2014.10.052",

language = "English",

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T1 - Investigation of mechanical and tribological behaviors of multilayer graphene reinforced Ni3Al matrix composites

AU - Zhai, Wenzheng

AU - Shi, Xiaoliang

AU - Yao, Jie

AU - Ibrahim, Ahmed Mohamed Mahmoud

AU - Xu, Zengshi

AU - Zhu, Qingshuai

AU - Xiao, Yecheng

AU - Chen, Long

AU - Zhang, Qiaoxin

PY - 2015/3/1

Y1 - 2015/3/1

N2 - Multilayer graphene (MLG) shows an attractive prospect for the demanding engineering applications. This paper reports the mechanical and tribological properties of MLG reinforced Ni3Al matrix composites (NMCs) under dry sliding at varying sliding speed. The hardness and elastic modulus of the NMCs are significantly influenced with MLG content. It is found that the hardness and elastic modulus of the NMCs are found to be increased by increasing MLG content up to 1.0 wt.%, while decreased when MLG content is above 1.0 wt.%. Tribological experiments suggest that MLG can dramatically improve the wear resistance and decrease the friction coefficient of the NMCs. Such marked improvement of wear resistance is attributed to the reinforcing mechanisms of MLG, such as crack deflection and pull-out, and reduction of friction coefficient is related to the formation of a tribofilm on the sliding contact surface.

AB - Multilayer graphene (MLG) shows an attractive prospect for the demanding engineering applications. This paper reports the mechanical and tribological properties of MLG reinforced Ni3Al matrix composites (NMCs) under dry sliding at varying sliding speed. The hardness and elastic modulus of the NMCs are significantly influenced with MLG content. It is found that the hardness and elastic modulus of the NMCs are found to be increased by increasing MLG content up to 1.0 wt.%, while decreased when MLG content is above 1.0 wt.%. Tribological experiments suggest that MLG can dramatically improve the wear resistance and decrease the friction coefficient of the NMCs. Such marked improvement of wear resistance is attributed to the reinforcing mechanisms of MLG, such as crack deflection and pull-out, and reduction of friction coefficient is related to the formation of a tribofilm on the sliding contact surface.

KW - A. Metal-matrix composites (MMCs)

KW - B. Wear

KW - D. Mechanical testing

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