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Tribological Behavior of Ni-Based Self-Lubricating Composites at Elevated Temperatures

Tribological Behavior of Ni-Based Self-Lubricating Composites at Elevated Temperatures
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Author(s): Jianliang Li (Nanjing University of Science and Technology, China), Dangsheng Xiong (Nanjing University of Science and Technology, China), Yongkun Qin (Nanjing University of Science and Technology, China)and Rajnesh Tyagi (Indian Institute of Technology (Banaras Hindu University), India)
Copyright: 2015
Pages: 35
Source title: Processing Techniques and Tribological Behavior of Composite Materials
Source Author(s)/Editor(s): Rajnesh Tyagi (Indian Institute of Technology (BHU), Varanasi, India)and J. Paulo Davim (University of Aveiro, Portugal)
DOI: 10.4018/978-1-4666-7530-8.ch003

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Abstract

This chapter illustrates the effect of the addition of solid lubricants on the high temperature friction and wear behavior of Ni-based composites. Ni-based composites containing solid lubricant particles both in nano and micrometer range have been fabricated through powder metallurgy route. In order to explore the possible synergetic action of a combination of low and high temperature solid lubricant, nano or micro powders of two or more solid lubricants were added in the composites. This chapter introduces the fabrication of the Ni-based self-lubricating composites containing graphite and/or MoS2, Ag and/or rare earth, Ag and/or hBN as solid lubricants and their friction and wear behavior at room and elevated temperatures. The chapter also includes information on some lubricating composite coatings such as electro-deposited nickel-base coating containing graphite, MoS2, or BN and graphene and their tribological characteristics.

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