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首页> 外文期刊>International journal of materials & product technology >The tribological performance research of modified PTFE composite material
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The tribological performance research of modified PTFE composite material

机译：改性PTFE复合材料的摩擦学性能研究。

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摘要

Due to its extraordinary and outstanding chemical stability, high and low temperature resistance and self-lubricating performance, polytetrafluoroethylene (PTFE) is widely used in friction materials. However, the lack of wear-resisting property still limits its feasibility severely. In order to improving the friction properties of PTFE, different composite materials based on PTFE were made and tested in normal temperature and pressure (NTP) and low-temperature vacuum (LTV) with different levels of load and rotating speed. On the condition of NTP, the friction of binary PTFE-based composite with different contents of MoS_2 and PTFE-based composite with different contents of graphite were tested respectively, the optimal content of the MoS_2 and graphite was studied. Based on this result, ternary complex PTFE-based composite was prepared with MoS_2 and graphite. The ternary complex composites were tested under both NTP and LTV, the adaptability of PTFE-based composite for severe rugged environment is worked out and the wear mechanism is analysed.
机译：聚四氟乙烯（PTFE）由于其非凡而出色的化学稳定性，耐高低温性和自润滑性能，被广泛用于摩擦材料中。但是，缺乏耐磨性仍然严重限制了其可行性。为了改善PTFE的摩擦性能，制备了不同的基于PTFE的复合材料，并在常温常压（NTP）和低温真空（LTV）下以不同的负载水平和转速进行了测试。在NTP的条件下，分别测试了不同含量的MoS_2二元PTFE基复合材料和不同含量的石墨基PTFE基复合材料的摩擦，研究了MoS_2和石墨的最佳含量。基于该结果，用MoS_2和石墨制备了三元复合PTFE基复合材料。在NTP和LTV下对三元复合材料进行了测试，研究了PTFE基复合材料在恶劣恶劣环境下的适应性，并分析了其磨损机理。

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  • 作者

    Feng Zhang; Tianyi Sui; Baoyu Song; Quan Shang; Yuan Cao;

  • 作者单位

    School of Mechatronics Engineering, Harbin Institute of Technology, Harbin 150001, Heilongjiang, China;

    School of Mechatronics Engineering, Harbin Institute of Technology, Harbin 150001, Heilongjiang, China;

    School of Mechatronics Engineering, Harbin Institute of Technology, Harbin 150001, Heilongjiang, China;

    School of Mechatronics Engineering, Harbin Institute of Technology, Harbin 150001, Heilongjiang, China;

    School of Mechatronics Engineering, Harbin Institute of Technology, Harbin 150001, Heilongjiang, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    polytetrafluoroethylene; PTFE; low-temperature vacuum; LTV; tribology; modified; composite;

    机译：聚四氟乙烯聚四氟乙烯;低温真空;LTV;摩擦学;改性;综合;

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