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Research Article | Open Access

Tribological behavior of shape memory cyanate ester materials and their tunable friction mechanism

Zhangzhang TANG1,2, Lihe GUO1,3, Mingkun XU1,3, Hongwei RUAN1,3, Jing YANG1, Tingmei WANG1,3, Jianqiang ZHANG2, Qihua WANG1,3( ), Yaoming ZHANG1,3( )
Key Laboratory of Science and Technology on Wear and Protection of Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
College of Petrochemical Technology, Lanzhou University of Technology, Lanzhou 730050, China
Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
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Abstract

High-performance polymer friction materials with tunable tribological behavior to fit varied work conditions remain a challenge of widespread interest for a variety of applications. Shape memory polymer exhibits morphing and modulus changing over temperature changing provides a promising material to adjust the friction process. Herein, we investigated the tribological properties of shape memory cyanate ester (SMCE) under different conditions. The SMCE exhibits the tribological behavior of good friction material with stable high coefficient of friction (COF) and a low wear rate. Besides, the COF increases and wear rate decreases with the temperature increasing show the tunable friction property of the SMCE. We propose a new model of wear-compensation through shape recovery to explain the adjustable friction behavior of thermal-responsive polymer from the aspect of shape recovery and energy conversion. This study provides a high-performance friction material and paves the route for the application of shape memory polymer (SMP) in tribology field with tunable property.

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Keywords

tribological behaviorshape memory polymercyanate estertunable frictionwear rate

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Friction
Volume 11 Issue 10,
October 2023
Pages 1794-1803
DOI: 10.1007/s40544-022-0689-3

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Cite this article:
TANG Z, GUO L, XU M, et al. Tribological behavior of shape memory cyanate ester materials and their tunable friction mechanism. Friction, 2023, 11(10): 1794-1803. https://doi.org/10.1007/s40544-022-0689-3

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Received: 06 January 2022
Revised: 26 May 2022
Accepted: 04 September 2022
Published: 13 March 2023
© The author(s) 2023.

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