Microstructures and Properties of Sintered Cu-MoS2/Cu Functional Gradient Materials

DOI

10.2991/icmeim-17.2017.91How to use a DOI?

Keywords

Cu-MoS2/Cu Functionally Graded Materials, Self-lubricating, Microstructure, Properties

Abstract

The Cu-MoS2/Cu functional gradient materials were prepared by powder metallurgy method. The effects of MoS2 content on the microstructure, phase composition and wear performance were analyzed comprehensively. Solid-solid phase reaction occurred between MoS2 and Cu in the sintering process. The products of such reaction are copper-molybdenum sulfur compounds, copper sulfide, and Mo complex. They are distributed uniformly in the grain boundary of the matrix. The transition layers existed in the Cu-MoS2/Cu gradient materials. With the increasing of MoS2 content, the amount of solid-solid phase reaction products also increased, with little decreasing of the density, electrical conductivity and tensile strength of the materials. While the hardness and the thickness of the solid lubrication film drastically increased. Especially, when the content of MoS2 was 3%, the electrical conductivity and the mechanical properties showed a better balance between themselves. Besides, the wear performance of the composite materials was the best.

Copyright

© 2017, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Ai-Qin Wang
AU  - Ting-Ting Liang
AU  - Dou-Qin Ma
AU  - Jing-Pei Xie
PY  - 2017/02
DA  - 2017/02
TI  - Microstructures and Properties of Sintered Cu-MoS2/Cu Functional Gradient Materials
BT  - Proceedings of the 2017 International Conference on Manufacturing Engineering and Intelligent Materials (ICMEIM 2017)
PB  - Atlantis Press
SP  - 536
EP  - 541
SN  - 2352-5401
UR  - https://doi.org/10.2991/icmeim-17.2017.91
DO  - 10.2991/icmeim-17.2017.91
ID  - Wang2017/02
ER  -