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稀土镧催化热解二甲苯制备炭/炭复合材料的导热与摩擦性能

邓海亮 郑金煌 殷忠义 姚冬梅 苏红 张晓虎 斯松华

邓海亮, 郑金煌, 殷忠义, 姚冬梅, 苏红, 张晓虎, 斯松华. 稀土镧催化热解二甲苯制备炭/炭复合材料的导热与摩擦性能. 新型炭材料, 2020, 35(1): 80-86.
引用本文: 邓海亮, 郑金煌, 殷忠义, 姚冬梅, 苏红, 张晓虎, 斯松华. 稀土镧催化热解二甲苯制备炭/炭复合材料的导热与摩擦性能. 新型炭材料, 2020, 35(1): 80-86.
DENG Hai-liang, ZHENG Jin-huang, YIN Zhong-yi, YAO Dong-mei, SU Hong, ZHANG Xiao-hu, SI Song-hua. Thermal conduction and tribological properties of carbon/carbon composites densified by xylene pyrolysis using La as a catalyst. New Carbon Mater., 2020, 35(1): 80-86.
Citation: DENG Hai-liang, ZHENG Jin-huang, YIN Zhong-yi, YAO Dong-mei, SU Hong, ZHANG Xiao-hu, SI Song-hua. Thermal conduction and tribological properties of carbon/carbon composites densified by xylene pyrolysis using La as a catalyst. New Carbon Mater., 2020, 35(1): 80-86.

稀土镧催化热解二甲苯制备炭/炭复合材料的导热与摩擦性能

基金项目: 国家自然科学基金(51972002);装备预研基金(9140A12060514HT43190).
详细信息
    作者简介:

    邓海亮,博士,教授.E-mail:dhl221@126.com

    通讯作者:

    斯松华,博士,教授.E-mail:sisonghua@ahut.edu.cn

  • 中图分类号: TB332

Thermal conduction and tribological properties of carbon/carbon composites densified by xylene pyrolysis using La as a catalyst

Funds: National Natural Science Foundation of China (51972002); Equipment Advanced Research Foundation of China (9140A12060514HT43190).
  • 摘要: 采用薄膜沸腾CVI以LaCl3催化热解二甲苯、浸渍树脂及高温处理后获得密度为1.72~1.73 g/cm3的炭/炭(C/C)复合材料,应用激光热导仪、摩擦试验机及扫描电镜等研究了催化剂含量对材料导热和摩擦性能的影响。结果表明,催化剂含量由0增加至15 wt%时,材料的热导率先升高后降低,摩擦系数及磨损率的变化与之相反。含量6 wt%下材料的导热性能较高,垂直与平行摩擦面方向的热导率最大分别为40.3和86.1 W/(m·K),较含量为0时提高约58.5%和75.6%;制动过程中,摩擦面易于形成纳米丝状碳增强的光滑摩擦膜,是该含量下材料摩擦系数和磨损较低、制动稳定性高的重要原因。
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出版历程
  • 收稿日期:  2019-11-10
  • 录用日期:  2020-04-02
  • 修回日期:  2020-02-01
  • 刊出日期:  2020-02-29

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