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

doi:10.1016/S1872-5805(23)60704-8

Volume 38 Issue 2

Apr. 2023

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Article Navigation > New Carbon Mater. > 2023 > 38(2): 378-384

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

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

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

doi: 10.1016/S1872-5805(23)60704-8

1.
College of Materials Science and Engineering, Hunan Province Key Laboratory for Advanced Carbon Materials and Applied Technology, Hunan University, Changsha 410082, China
2.
School of Electrical Engineering, Southwest Jiaotong University, Chengdu 611730, China
3.
School of Mechatronics & Vehicle Engineering, East China Jiaotong University, Nanchang 330000, China

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

Author Bio:
张思斯，硕士研究生. E-mail：zhangsisihnu@163.com
Corresponding author: TU Chuan-jun, Professor. E-mail: tcj@hnu.edu.cn
Received Date: 2020-02-22
Rev Recd Date: 2020-04-27

Available Online: 2022-11-03

Publish Date: 2023-04-07

Abstract

Abstract

A novel pantograph carbon slider (PCS-1) was designed and prepared via mold pressing, hot extrusion and sintering using sulfonated graphene (SG) as additive. The results show that PCS-1 demonstrates an obvious enhanced mechanical strength and wear performances than that of carbon slider in the absence of SG (PCS-0). For example, the current-carrying wear test indicates that the flexural strength of PCS-1 is 41.8% higher than that PCS-0 counterparts. The wear rate of PCS-1 reduces 51.0% and 50.0% in the wet and normal conditions, respectively. Moreover, the presence of SG, as reflected in scanning electron microscopy, polarizing microscope and white light interferometer, can markedly decrease the number of random cracks, increase the compactness of fracture surface and inhibit the electro-erosion of the slider materials, thus improving the mechanical strength and wear resistance significantly.
- Sulfonated graphene,
- Wet condition,
- Microstructure,
- Current-carrying wear rate

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References(32)

References

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