Page 39 - 摩擦学学报2025年第9期

第 9 期 刘聪, 等: 镀铜钢纤维和合金化增强FeS/Cu-Bi自润滑材料的性能研究 1293

F Poor mechanical performance F Good mechanical performance

Self lubricating materials Length too short Medium length Length too long

Sliding friction Sliding direction Sliding direction Sliding direction

Lubrication film Lubrication film
Lubrication
Lubrication film Steel fiber protrusion film Steel fiber spread Steel fiber spread

Worn surface Furrow + adhesion micro adhesion Furrow
Micro furrow
+

As the length of steel fibers increases

Fig. 12 Schematic of the effect of steel fiber length on the mechanical and tribological properties of materials
图 12 钢纤维长度对材料力学与摩擦学性能影响示意图

层状结构的复合粉体，钢纤维的加入提升了材料的韧性. [ 2 ] Ragab K A, Abdel-Karim R, Farag S, et al. Influence of SiC, SiO 2
b. 与不含镀铜钢纤维的FeS/Cu-Bi自润滑材料相 and graphite on corrosive wear of bronze composites subjected to
比，随钢纤维长度增加，材料密度先上升后下降，材料 acid rain[J]. Tribology International, 2010, 43(3): 594–601. doi: 10.
硬度、冲击韧性和压溃强度均先上升后趋于稳定. 镀 1016/j.triboint.2009.09.008.
[ 3 ] Zhang Xiaojie, Song Junjie, Su Yunfeng, et al. Fabrication and
铜钢纤维长度为7 mm时，材料的硬度、冲击韧性和压
tribological performance of copper/graphite self-lubricating
溃强度分别提升24.8%、53%和32.6%.
composites with 3D Bi-continuous structure[J]. Tribology, 2022,
c. 镀铜钢纤维长度增加，材料的摩擦系数和磨损
42(4): 832–843 (in Chinese) [张晓杰, 宋俊杰, 苏云峰, 等. 三维双
率均先减小后增大，与不含镀铜钢纤维的材料相比，
连续铜/石墨自润滑复合材料的构筑及其摩擦磨损性能研究[J].
镀铜钢纤维长度为7 mm时，材料的摩擦系数和磨损 摩 擦 学 学 报 , 2022, 42(4): 832–843]. doi: 10.16078/j.tribology.
率分别降低了17.6%和55%. 这主要是由于钢纤维长 2021112.
度为7 mm时，材料具有较好的力学性能，同时该长度 [ 4 ] Jiang Xiaofang, Song Junjie, Su Yunfeng, et al. Novel design of
也有利于其在铜合金基体中的平铺与埋藏，强化摩擦 copper–graphite self-lubricating composites for reliability
界面富集润滑剂. improvement based on 3D network structures of copper matrix[J].
Tribology Letters, 2018, 66(4): 143. doi: 10.1007/s11249-018-1098-7.
参 考 文 献
[ 5 ] Katiyar J K, Rao T. Sustainable tribology for reliability and
[ 1 ] Zhang Xiaoyu, Fan Hengzhong, Huang Xiaopeng, et al. Influence of efficiency[J]. Proceedings of the Institution of Mechanical
graphite morphologies on tribology properties and reliability of Engineers, Part J: Journal of Engineering Tribology, 2023, 237(8):
copper/graphite composites[J]. Tribology, 2022, 42(3): 609–619 (in 1670–1679. doi: 10.1177/13506501231169548.
Chinese) [张孝禹, 樊恒中, 黄晓鹏, 等. 石墨相形态对铜/石墨复合 [ 6 ] Moustafa S F, El-Badry S A, Sanad A M. Effect of graphite with and
材料摩擦学性能和可靠性的影响[J]. 摩擦学学报, 2022, 42(3): without copper coating on consolidation behaviour and sintering of
609–619]. doi: 10.16078/j.tribology.2021031. copper–graphite composite[J]. Powder Metallurgy, 1997, 40(3):