Excellent tribological properties of epoxy—Ti3C2 with three-dimensional nanosheets composites

• Published in: Friction Vol. 9; no. 4; pp. 734 - 746
• Main Authors: Meng, Fanning, Zhang, Zhenyu, Gao, Peili, Kang, Ruiyang, Boyjoo, Yash, Yu, Jinhong, Liu, Tingting
• Format: Journal Article
• Language: English
• Published: Beijing Tsinghua University Press 01-08-2021; Springer Nature B.V; SpringerOpen
• Subjects: Composite materials; Corrosion and Coatings; Engineering; Epoxy resins; epoxy-Ti3C2 3DNS composite; Extreme environments; Friction; friction properties; Mechanical Engineering; Mechanical properties; Nanosheets; Nanotechnology; Physical Chemistry; Polymer matrix composites; Rapid prototyping; Research Article; Surfaces and Interfaces; Thermal conductivity; Thermal expansion; thermal performances; Thin Films; Three dimensional composites; three-dimensional nanosheets; Tribology; Wear rate; epoxy-Ti; friction properties; C; thermal performances; three-dimensional nanosheets; 3DNS composite
• ISSN: 2223-7690; 2223-7704
• DOI: 10.1007/s40544-020-0368-1

As a widely used engineering polymer, epoxy resin has been successfully employed in high-performance components and setups. However, the poor thermal and friction properties of traditional epoxy resin greatly limit its application in many extreme environments. In this work, a new kind of epoxy-Ti
3
C
2
with three-dimensional nanosheets (3DNS) composite which was designed by freeze-drying method showed up excellent thermal and friction properties. As a result, the coefficient of thermal expansion (CTE) of epoxy-Ti
3
C
2
3DNS 3.0 composites was 41.9 ppm/K at 40 °C, which was lower than that of the traditional epoxy resin (46.7 ppm/K), and the thermal conductivity (TC) was also improved from 0.176 to 0.262 W/(m·K). Meanwhile, epoxy-Ti
3
C
2
3DNS 1.0 composites showed up the best friction property, with wear rate 76.3% lower than that of epoxy resin. This work is significant for the research of high-performance composite materials.