Page 82 - 摩擦学学报2025年第10期

第 10 期 花铝东, 等: 添加相结构对Cu/PTFE复合材料力热学及摩擦磨损性能影响 1479

料力学性能、导热性能、摩擦磨损性能及磨损机制的 1206]. doi: 10.16078/j.tribology.2021257.
影响，得到以下主要结论： [ 6 ] Huang T C, Lin C Y, Liao K C. Sealing performance assessments of
PTFE rotary lip seals based on the elasto-hydrodynamic analysis
a. 颗粒增强Cu/PTFE的复合材料中，铜颗粒弥散
with the modified archard wear model[J]. Tribology International,
分布于在PTFE基体中；三维骨架增强Cu/PTFE复合材
2022, 176(3): 107917. doi: 10.1016/j.triboint.2022.107917.
料中，骨架铜与PTFE基体通过互锁方式紧密结合在
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一起，与PTFE相形成了双连续相结构，且烧结过程中 and PTFE based composites under sliding, erosive and high stress
PTFE的晶化程度更好. abrasive conditions[J]. Tribology International, 2020, 147(July
b. 颗粒增强Cu/PTFE复合材料与三维骨架增强 2020): 106282. doi:10.1016/j.triboint.2020.106282.
Cu/PTFE复合材料有效地提高了PTFE的硬度和承载 [ 8 ] Song Fuzhi, Yang Zenghui, Zhao Gai, et al. Tribological
performance of filled PTFE-based friction material for ultrasonic
能力. 相较于纯PTFE的导热性能，颗粒增强Cu/PTFE
motor under different temperature and vacuum degrees[J]. Journal of
的复合材料与三维骨架增强Cu/PTFE复合材料分别提
Applied Polymer Science, 2017, 134(39): 45358. doi: 10.1002/app.
升了115.6%和346.9%. 三维骨架增强Cu/PTFE复合材
45358.
料由于其骨架铜在三维空间形成连续导热和承载通 [ 9 ] Ding Liang, Axinte D, Butler-Smith P, et al. Study on the
道，其承载性能和导热性能更优于颗粒增强Cu/PTFE characterisation of the PTFE transfer film and the dimensional
的复合材料. designing of surface texturing in a dry-lubricated bearing system[J].
c. 在摩擦磨损性能方面，颗粒增强Cu/PTFE复合 Wear, 2020, 448-449(1): 203238. doi: 10.1016/j.wear.2020.203238.
材料与三维骨架增强Cu/PTFE复合材料明显改善了 [10] Lei Hao, Zhao Gai, Yin Yuhang, et al. Molecular dynamics
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PTFE基复合材料的耐磨性. 相较于PTFE，三维骨架增
reinforced PTFE[J]. Tribology, 2021, 41(2): 223–229 (in Chinese)
强Cu/PTFE复合材料磨损率降低更为显著，降至5.1×
[雷浩, 赵盖, 尹宇航, 等. 氮化碳增强聚四氟乙烯摩擦学性能的分
3
-4
10 mm /(N·m).磨损机制表明PTFE和颗粒增强Cu/
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损，三维骨架增强Cu/PTFE复合材料磨损机制主要为 [11] Song Fuzhi, Wang Qihua, Wang Tingmei. The effects of
磨粒磨损. crystallinity on the mechanical properties and the limiting PV
(pressure × velocity) value of PTFE[J]. Tribology International,
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