Page 20 - 摩擦学学报2025年第8期

1118 摩擦学学报（中英文） 第 45 卷

C Sb

50 μm 50 μm 50 μm

(a) (b) (c)
Fig. 6 SEM micrograph of morphology and elemental distribution of the antimony impregnated graphite surface:
(a) SEM micrograph; (b) C element distribution; (c) Sb element distribution
图 6 浸锑石墨表面形貌的SEM照片和元素分布图：(a) SEM照片；(b) C元素分布；(c) Sb元素分布

表 2 浸锑石墨材料属性
Table 2 Properties of antimony impregnated graphite
3
Material Density/(g/cm ) Hardness/GPa Elastic modulus/GPa
Antimony impregnated graphite 2.21±0.04 0.87±0.13 20.98±4.05

0.16 0.15
(a) (b) P>0.05
0.12
Friction coefficient 0.08 Average friction coefficient 0.10

0.05
Cr alloy
0.04
9Cr18
9Cr18MoV
0.00 0.00
0.0 2.5 5.0 7.5 10.0 Cr alloy 9Cr18 9Cr18MoV
Sliding time/10 s Samples
3
Fig. 7 Friction coefficient of three stainless steel surfaces under oil lubrication: (a) variation of friction
coefficient with sliding time; (b) average friction coefficient
图 7 油润滑条件下3种不锈钢表面的摩擦系数：(a)摩擦系数随滑动时间变化的关系曲线；(b)平均摩擦系数

(a) (b) (c)

20 μm 0.5 20 μm 0.5 20 μm

0.5
Wear depth/μm 0.0 Wear depth/μm 0.0 Wear depth/μm 0.0

−0.5
−50 0 50 −0.5 −50 0 50 −0.5 −50 0 50
Width/μm Width/μm Width/μm
Fig. 8 LCSM micrographs and profiles of the worn surfaces of three stainless steels under oil lubrication:
(a) Cr alloy; (b) 9Cr18; (c) 9Cr18MoV
图 8 油润滑条件下3种不锈钢磨损表面形貌的LCSM照片和磨斑轮廓：(a)进口Cr合金；(b) 9Cr18；(c) 9Cr18MoV