Page 25 - 摩擦学学报2025年第8期

第 8 期 黄元宝, 等: 2种高铬马氏体不锈钢与浸锑石墨配副的摩擦磨损行为研究 1123

60 60 60
(a) 0.4 m/s 0.7 m/s (b) 0.4 m/s 0.7 m/s (c) 9Cr18
1.0 m/s 1.3 m/s 1.0 m/s 1.3 m/s 9Cr18MoV
50 1.6 m/s 50 1.6 m/s 50
Temperature/℃ 40 Temperature/℃ 40 Average temperature/℃ 40

30
30
30
20 20 20
0 1 200 2 400 3 600 0 1 200 2 400 3 600 0.4 0.7 1.0 1.3 1.6
Sliding time/s Sliding time/s Linear velocity/(m/s)
Fig. 17 Temperature of the friction contact interfaces of two stainless steels under different linear velocities:
(a) 9Cr18; (b) 9Cr18MoV; (c) variation of average temperature with linear velocity
图 17 不同线速度下2种不锈钢摩擦接触界面温度：(a) 9Cr18；(b) 9Cr18MoV；(c)平均温度随线速度的变化

0.45 60
(a) 9Cr18 (b) 9Cr18
0.40 9Cr18MoV 55 9Cr18MoV
Friction coefficient 0.35 Temperature/℃ 50

0.30
45
0.350 ± 0.015
9Cr18
0.25 Samples Average friction coefficient 40 Samples Average temperature/℃
52.9 ± 0.6
9Cr18
9Cr18MoV 0.317 ± 0.020
9Cr18MoV 51.0 ± 0.7
0.20 20
0 1 200 2 400 3 600 0 1 200 2 400 3 600
Sliding time/s Sliding time/s
Fig. 18 (a) Friction coefficient and (b) contact interface temperature of two stainless steels under dry conditions
图 18 干摩擦条件下2种不锈钢的(a)摩擦系数和(b)摩擦接触界面温度

(a) R a = 0.138 ± 0.01 μm (b) R a = 0.108 ± 0.01 μm

1 mm 1 mm

Fig. 19 LCSM micrographs of morphologies of the worn surfaces of two stainless steels under dry conditions:
(a) 9Cr18; (b) 9Cr18MoV
图 19 干摩擦条件下2种不锈钢磨损表面形貌的LCSM照片：(a) 9Cr18；(b) 9Cr18MoV

(a) Worn Atom fraction/% (b) Worn Metal
(Sb 2 O 5 )
Original Element Original Worn Sb 3d 3/2 Sb 3d 5/2 oxides
Fe 56.40 1.58 (Sb 2 O 5 ) Sb 3d 5/2
Cr 13.35 0.00 (metal) H 2 O/ (Sb 2 O 5 /
O 1s/Sb 3d C O 27.89 88.84 H-O-C Fe 2 O 3 )
2.36
Intensity/a.u. Fe 2p Sb 3d Sb 0.00 C 1s 2.94 Intensity/a.u. Original
6.64

Cr 2p

800 600 400 200 544 538 532 526
Binding energy/eV Binding energy/eV

Fig. 20 XPS spectra of the worn surfaces of 9Cr18MoV under dry conditions: (a) full spectra;
(b) high-resolution spectra of Sb 3d and O 1s
图 20 干摩擦条件下9Cr18MoV磨损表面XPS谱图：(a)全谱图；(b) Sb 3d和O 1s精细谱图