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高温热处理C/C对C/C配对C/C-SiC摩擦学性能的影响

欧阳曦 李专 肖鹏 陈冠一 李金伟 刘鹏飞

欧阳曦, 李专, 肖鹏, 陈冠一, 李金伟, 刘鹏飞. 高温热处理C/C对C/C配对C/C-SiC摩擦学性能的影响[J]. 新型炭材料, 2019, 34(5): 472-481. doi: 10.1016/S1872-5805(19)60025-9
引用本文: 欧阳曦, 李专, 肖鹏, 陈冠一, 李金伟, 刘鹏飞. 高温热处理C/C对C/C配对C/C-SiC摩擦学性能的影响[J]. 新型炭材料, 2019, 34(5): 472-481. doi: 10.1016/S1872-5805(19)60025-9
OU-YANG Xi, LI Zhuan, XIAO Peng, CHEN Guan-yi, LI jin-wei, LIU Peng-fei. Effects of the high-temperature treatment of C/C composites on their tribological properties[J]. NEW CARBON MATERIALS, 2019, 34(5): 472-481. doi: 10.1016/S1872-5805(19)60025-9
Citation: OU-YANG Xi, LI Zhuan, XIAO Peng, CHEN Guan-yi, LI jin-wei, LIU Peng-fei. Effects of the high-temperature treatment of C/C composites on their tribological properties[J]. NEW CARBON MATERIALS, 2019, 34(5): 472-481. doi: 10.1016/S1872-5805(19)60025-9

高温热处理C/C对C/C配对C/C-SiC摩擦学性能的影响

doi: 10.1016/S1872-5805(19)60025-9
基金项目: 国家重点研究发展计划(2016YFB0301403);国家自然科学基金(51575536).
详细信息
    作者简介:

    欧阳曦,硕士研究生.E-mail:1592706289@qq.com

    通讯作者:

    李专,博士.E-mail:lizhuan@csu.edu.cn

  • 中图分类号: TQ342+.74

Effects of the high-temperature treatment of C/C composites on their tribological properties

Funds: National Key Research and Development Program of China (2016YFB0301403); National Natural Science Foundation of China (51575536).
  • 摘要: 采用化学气相渗透法(CVI)工艺制备C/C复合材料,然后在2 300℃处理其中一个C/C试样。通过化学气相渗透法结合液体硅渗透法(LSI)制备C/C-SiC复合材料。为了提高制动的稳定性并期望克服C/C和C/C-SiC自磨的缺点,在MM-3 000型摩擦磨损试验机上研究了C/C配对C/C-SiC摩擦副的摩擦学性能。结果表明,经2 300℃高温热处理(HTT)的C/C配对C/C-SiC的平均摩擦系数(COF)为0.280,稳定摩擦系数为0.65,而没有经过高温热处理的C/C配对C/C-SiC摩擦副的平均摩擦系数及稳定摩擦系数分别为0.451和0.55。经过2 300℃高温热处理和没经过高温热处理的C/C的线磨损率分别为8.9 μm/(slide cycle)和3.7 μm/(slide cycle)。由于高温热处理会引起碳软化,导致了经过2 300℃高温热处理的C/C磨损率增加。总之,经过高温热处理的C/C配对C/C-SiC在提高稳定摩擦系数的同时不能改善其他摩擦磨损性能。C/C配对C/C-SiC的磨损机理主要是磨粒磨损,氧化磨损和疲劳磨损。
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出版历程
  • 收稿日期:  2019-08-10
  • 录用日期:  2019-11-04
  • 修回日期:  2019-09-30
  • 刊出日期:  2019-10-28

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