Tribological enhancement of continuous polytetrafluoroethylene composites interpenetrated by a 3D nickel network and their frictional heat transfer mechanism
Nickel foam (NF)–polytetrafluoroethylene (PTFE) interpenetrating phase composites (IPCs) were prepared via vacuum-assisted emulsion impregnation and free sintering. The effects of the pores per inch (PPI) of the NFs on the microstructure, mechanical properties, thermal conductivity, and tribological...
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| Format: | Article |
| Language: | English |
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Tsinghua University Press
2025-05-01
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| Series: | Friction |
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| Online Access: | https://www.sciopen.com/article/10.26599/FRICT.2025.9440948 |
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| author | Yujie Su Yunxia Wang Hao Liu Fengyuan Yan |
| author_facet | Yujie Su Yunxia Wang Hao Liu Fengyuan Yan |
| author_sort | Yujie Su |
| collection | DOAJ |
| description | Nickel foam (NF)–polytetrafluoroethylene (PTFE) interpenetrating phase composites (IPCs) were prepared via vacuum-assisted emulsion impregnation and free sintering. The effects of the pores per inch (PPI) of the NFs on the microstructure, mechanical properties, thermal conductivity, and tribological properties were investigated. The results indicated that the incorporation of a three-dimensional Ni skeleton inhibited heat accumulation at the friction interface, and the thermal conductivity and wear resistance of the composite significantly improved with increasing PPI. Compared with those of the PTFE matrix, the thermal conductivity of the 80 PPI NF–PTFE IPCs improved by ~394% and the wear rate decreased by up to ~66%. |
| format | Article |
| id | doaj-art-0e519c25512e427ebcf355e83ab0ab68 |
| institution | DOAJ |
| issn | 2223-7690 2223-7704 |
| language | English |
| publishDate | 2025-05-01 |
| publisher | Tsinghua University Press |
| record_format | Article |
| series | Friction |
| spelling | doaj-art-0e519c25512e427ebcf355e83ab0ab682025-08-20T02:55:48ZengTsinghua University PressFriction2223-76902223-77042025-05-01135944094810.26599/FRICT.2025.9440948Tribological enhancement of continuous polytetrafluoroethylene composites interpenetrated by a 3D nickel network and their frictional heat transfer mechanismYujie Su0Yunxia Wang1Hao Liu2Fengyuan Yan3State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, ChinaState Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, ChinaState Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, ChinaState Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, ChinaNickel foam (NF)–polytetrafluoroethylene (PTFE) interpenetrating phase composites (IPCs) were prepared via vacuum-assisted emulsion impregnation and free sintering. The effects of the pores per inch (PPI) of the NFs on the microstructure, mechanical properties, thermal conductivity, and tribological properties were investigated. The results indicated that the incorporation of a three-dimensional Ni skeleton inhibited heat accumulation at the friction interface, and the thermal conductivity and wear resistance of the composite significantly improved with increasing PPI. Compared with those of the PTFE matrix, the thermal conductivity of the 80 PPI NF–PTFE IPCs improved by ~394% and the wear rate decreased by up to ~66%.https://www.sciopen.com/article/10.26599/FRICT.2025.9440948interpenetrating phase compositespolytetrafluoroethylene (ptfe)nickel foamthermal conductivityfriction and wear |
| spellingShingle | Yujie Su Yunxia Wang Hao Liu Fengyuan Yan Tribological enhancement of continuous polytetrafluoroethylene composites interpenetrated by a 3D nickel network and their frictional heat transfer mechanism Friction interpenetrating phase composites polytetrafluoroethylene (ptfe) nickel foam thermal conductivity friction and wear |
| title | Tribological enhancement of continuous polytetrafluoroethylene composites interpenetrated by a 3D nickel network and their frictional heat transfer mechanism |
| title_full | Tribological enhancement of continuous polytetrafluoroethylene composites interpenetrated by a 3D nickel network and their frictional heat transfer mechanism |
| title_fullStr | Tribological enhancement of continuous polytetrafluoroethylene composites interpenetrated by a 3D nickel network and their frictional heat transfer mechanism |
| title_full_unstemmed | Tribological enhancement of continuous polytetrafluoroethylene composites interpenetrated by a 3D nickel network and their frictional heat transfer mechanism |
| title_short | Tribological enhancement of continuous polytetrafluoroethylene composites interpenetrated by a 3D nickel network and their frictional heat transfer mechanism |
| title_sort | tribological enhancement of continuous polytetrafluoroethylene composites interpenetrated by a 3d nickel network and their frictional heat transfer mechanism |
| topic | interpenetrating phase composites polytetrafluoroethylene (ptfe) nickel foam thermal conductivity friction and wear |
| url | https://www.sciopen.com/article/10.26599/FRICT.2025.9440948 |
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