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Sulfonated graphene improves the wear resistance of pantograph carbon slider materials under normal and wet conditions

ZHANG Si-si TU Chuan-jun LI Xiang SONG Teng-hui XIAN Yong LIU Xin-long SUN Heng CHEN Yi-xing

张思斯, 涂川俊, 李响, 宋腾辉, 鲜勇, 刘新龙, 孙恒, 陈宜兴. 磺化石墨烯提升受电弓炭滑板材料在常规和潮湿条件下的抗磨性. 新型炭材料(中英文), 2023, 38(2): 378-384. doi: 10.1016/S1872-5805(23)60704-8
引用本文: 张思斯, 涂川俊, 李响, 宋腾辉, 鲜勇, 刘新龙, 孙恒, 陈宜兴. 磺化石墨烯提升受电弓炭滑板材料在常规和潮湿条件下的抗磨性. 新型炭材料(中英文), 2023, 38(2): 378-384. doi: 10.1016/S1872-5805(23)60704-8
ZHANG Si-si, TU Chuan-jun, LI Xiang, SONG Teng-hui, XIAN Yong, LIU Xin-long, SUN Heng, CHEN Yi-xing. Sulfonated graphene improves the wear resistance of pantograph carbon slider materials under normal and wet conditions. New Carbon Mater., 2023, 38(2): 378-384. doi: 10.1016/S1872-5805(23)60704-8
Citation: ZHANG Si-si, TU Chuan-jun, LI Xiang, SONG Teng-hui, XIAN Yong, LIU Xin-long, SUN Heng, CHEN Yi-xing. Sulfonated graphene improves the wear resistance of pantograph carbon slider materials under normal and wet conditions. New Carbon Mater., 2023, 38(2): 378-384. doi: 10.1016/S1872-5805(23)60704-8

磺化石墨烯提升受电弓炭滑板材料在常规和潮湿条件下的抗磨性

doi: 10.1016/S1872-5805(23)60704-8
基金项目: 国家自然科学基金(No. 51772081,51837009,51905172);AECC产学研合作项目(No. HFZL2018CXY003-4);长沙市重大科技项目(No. kq1804010)
详细信息
    通讯作者:

    涂川俊, 研究员. E-mail:tcj@hnu.edu.cn

  • 中图分类号: TQ127.1+1

Sulfonated graphene improves the wear resistance of pantograph carbon slider materials under normal and wet conditions

Funds: The authors thank financial support from National Natural Science Foundation of China (No. 51772081, 51837009, 51905172), Industry-University-Research Cooperation Project of AECC (No. HFZL2018CXY003-4) and Major Science and Technology Projects of Changsha City (No. kq1804010)
More Information
  • 摘要: 以磺化石墨烯(SG)为添加剂,采用预模压、热挤压和焙烧等工艺,设计制备了一种新型受电弓炭滑板材料(PCS-1)。结果表明,PCS-1的力学强度和载流磨损性能均明显优于未改性的炭滑板材料(PCS-0)。载流磨损测试显示,与PCS-0相比,PCS-1的抗折强度提高了41.8%,载流磨损率在潮湿和常规环境条件下分别降低了51.0%和50.0%。扫描电镜、偏光显微镜和白光干涉仪等测试揭示了磺化石墨烯的加入显著减少了炭滑板材料的随机裂纹数量,提高了断口表面的致密度,因此抑制了炭滑板材料的电弧侵蚀,从而有效地提高了材料的抗磨性。
  • FIG. 2241.  FIG. 2241.

    FIG. 2241..  FIG. 2241.

    Figure  1.  Manufacturing process for PCS materials

    Figure  2.  SEM micrographs of fracture surface of (a) PCS-0 and (b) PCS-1. POM images of (c) PCS-0 and (d) PCS-1

    Figure  3.  (a) The variation of the wear rate for different samples in normal and wet conditions. ESEM micrographs of the worn surface after 12 h current-carrying wear test, under normal condition: (b) PCS-0, (c) PCS-1; under wet condition (d) PCS-0, (e) PCS-1

    Figure  4.  Three-dimensional topography, the corresponding variation curves of the surface profile's height and the schematic diagram of the worn surface after 12 h current-carrying wear test under wet condition: (a, c, e) PCS-0, (b, d, f) PCS-1

    Table  1.   The main physical properties of the PCS composites

    SampleFlexure strength (MPa)Compressive strength (MPa)PorosityFriction coefficientHardness (HSD)Electrical resistivity (μΩ· m)
    PCS-029.4133.6510%0.1370.242
    PCS-141.7166.607%0.1083.538
    下载: 导出CSV
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出版历程
  • 收稿日期:  2020-02-22
  • 修回日期:  2020-04-27
  • 网络出版日期:  2022-11-03
  • 刊出日期:  2023-04-07

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