Page 59 - 摩擦学学报2025年第10期

1456 摩擦学学报（中英文） 第 45 卷

GCR15 ball 20CrMo disk

Z/μm Z/μm
0.4 0.4
0.1 0.2
0 0.0
FP1 200 800 −0.2 109 μm 0.4 1.6 0.0
400 600 −0.5 0.8 1.2
151 μm Y/μm 600 200 400 X/μm −0.8 Y/mm 1.2 0.8 X/μm −0.2
50 μm 800 0 −1.1 50 μm 1.6 0.0 0.4 −0.4
−1.4 −0.6
GCR15 ball 20CrMo disk
Z/μm Z/μm
0.3 0.3
−0.1 0.1
0 −0.5 103 μm 0.0 −0.1
FP2 200 800 −0.9 0.4 1.6 −0.3
400 600 0.8 1.2
179 μm Y/μm 600 200 400 X/μm −1.3 Y/mm 1.2 0.8 X/μm −0.5
50 μm 800 0 −1.7 50 μm 1.6 0.0 0.4 −0.7
−0.9
−2.1
GCR15 ball 20CrMo disk
Z/μm Z/μm
0.5 0.3
0.2
0 −0.1 0.0 0.1
200 800 −0.4 1.6
FP3 400 600 −0.7 100 μm 0.4 0.8 1.2 −0.1
600 400 Y/mm 0.8
174 μm 50 μm 800 0 200 X/μm −1.0 50 μm 1.2 1.6 0.4 X/μm −0.3
Y/μm
−1.3
−1.6 0.0 −0.5
Fig. 16 Micrographs of the three friction pairs under high speed and nominal load
图 16 高转速和额定载荷工况下3种摩擦副微观分析照片

表 4 3组摩擦副在高转速下的磨损量和磨损率
Table 4 The wear volume and wear rate of the three friction pairs under high speed
3 3
Wear volume/μm Wear rate/[μm /(N·m)]
Friction pair Load
GCr15 20CrMo GCr15 20CrMo
Nominal load 8 569 242 379 0.33 9.22
FP1
Heavy load 2 928 611 16 487 304 14.05 79.12
Nominal load 12 755 615 417 0.48 23.40
FP2
Heavy load 1 841 566 8 822 113 8.84 42.33
Nominal load 16 249 619 721 0.61 23.56
FP3
Heavy load 279 052 7 178 379 1.34 34.35

100

14 (a) GCr15 of FP1 (b) 20CrMo of FP1
GCr15 of FP2
20CrMo of FP2
Wear rate/[μm 3 /(N·m)] 12 8 6 Wear rate/[μm 3 /(N·m)] 80
20CrMo of FP3
GCr15 of FP3
10
60
40

2 4 20
0 0
Nominal load Heavy load Nominal load Heavy load
Fig. 17 The wear rate of the three friction pairs under the condition of high speed and various working load:
(a) the wear rate of ball; (b) the wear rate of disk
图 17 3组摩擦副在高转速和不同载荷工况下的磨损率：(a) 球磨损率；(b) 盘磨损率