Page 81 - 摩擦学学报2025年第10期

1478 摩擦学学报（中英文） 第 45 卷

(a) (b)
Raised features

Furrow

200 μm 50 μm

(c) (d) Raised features

PTFE
g
Copper particles

200 μm 50 μm

(e) (f)
Foam copper
PTFE
h

200 μm 50 μm

Fig. 12 SEM micrographs of PTFE and Cu/PTFE wear morphology: (a, b) PTFE; (c, d) particle-reinforced Cu/PTFE;
(e, f) three-dimensional skeleton reinforced Cu/PTFE
图 12 PTFE及PTFE/Cu复合材料磨损形貌SEM照片：(a, b) PTFE；(c, d)颗粒增强Cu/PTFE；(e, f)三维骨架增强Cu/PTFE

25 12

(a) (b)
F Element Mass fraction/% F Element Mass fraction/%
20 F 57.4 10 8 F 68.4
Intensity/10 3 a.u. 15 C Intensity/10 3 a.u. 6 4
42.6
31.6
C
C
10
5 2 C
0 0
0 5 10 15 20 0 5 10 15 20
Energy/keV Energy/keV
Fig. 13 EDS point sweeps of PTFE/Cu composites after abrasion: (a) particle-reinforced Cu/PTFE;
(b) three-dimensional skeleton reinforced Cu/PTFE
图 13 PTFE/Cu复合材料磨损后EDS点扫图：(a) 颗粒增强Cu/PTFE；(b) 三维骨架增强Cu/PTFE
3 结论 粒增强Cu/PTFE复合材料和三维骨架增强Cu/PTFE

本文中采用真空热压烧结法分别制备了PTFE、颗 复合材料，对比研究了添加相结构对Cu/PTFE复合材