Affiliation:
1. Henan Key Laboratory of Materials on Deep‐Earth Engineering School of Materials Science and Engineering Henan Polytechnic University Jiaozuo Henan 454000 P. R. China
2. School of Mechanical and Electrical Engineering Nanyang Normal University Nanyang 473061 P. R. China
3. Department of Materials The University of Manchester Oxford Road Manchester M13 9PL UK
Abstract
AbstractIn order to improve the high‐temperature friction and wear properties of polyimide (PI), Mo2CTx/PI nanocomposite materials are prepared by using 2D Mo2CTx MXene as reinforcement. Compared with the properties of pure PI, Mo2CTx/PI nanocomposites exhibit significant improvement on thermal stability, hardness, and tribological performance. Especially, the addition of Mo2CTx can reduce friction coefficient and wear rate of PI significantly at different temperatures ranging from room temperature (RT) to 200 °C. The hardness and the thermo‐degradation temperature of composites increase due to the formation of an organic inorganic structure. In addition, this structure helps to form a protective film containing Mo2CTx nanoflakes, iron oxide, molybdenum oxide, and organic compounds during friction, and improve the tribological properties of PI composite.
Funder
National Natural Science Foundation of China
Engineering and Physical Sciences Research Council
Subject
Mechanical Engineering,Mechanics of Materials
Cited by
4 articles.
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