Page 100 - 摩擦学学报2025年第4期

588 摩擦学学报（中英文） 第 45 卷

z/μm
1.0
0.0
−1.0
A A B C D −2.0
B C
D
−3.0
−4.0
−5.0
(a1) (a2)
0.0
y/μm −1.0

−2.0
0.2 0.4 0.6 0.8
x/mm
(b1) (b2) 1.0
0.0
y/μm −1.0

−2.0

0.2 0.4 0.6 0.8
x/mm
(c1) (c2)
0.0

y/μm −1.0
−2.0

0.2 0.4 0.6 0.8
x/mm
(d1) (d2) 1.0
0.0
y/μm −1.0

−2.0
0.2 0.4 0.6 0.8 1.0
x/mm
Fig. 7 Magnified and two-dimensional view of micropitting at typical locations on the gear oil lubricated steel disk wear mark
surface (550 N): (a1, a2) position A; (b1, b2) position B; (c1, c2) position C; (d1, d2) position D
图 7 齿轮油润滑的钢盘磨痕表面典型位置微点蚀放大图和二维图(550 N)：(a1, a2)位置A；
(b1, b2)位置B；(c1, c2)位置C；(d1, d2)位置D

5.0 (a) Gear oil 4.00 3.5 (b) Gear oil 2.90
Maximum micropitting depth/μm 4.0 2.50 2.70 3.50 2.50 Micropitting volume/(10 −4 mm 3 ) 2.5 1.29 2.03 2.28 2.11 2.37
0.4% LaF 3 +Gear oil
0.4% LaF 3 +Gear oil
3.0
0.4% D2EHPA+Gear oil
0.4% D2EHPA+Gear oil
2.0
3.0
1.5
2.0
1.0
1.0
0.0 0 0 0 0.92 0 0 0 0.5 0 0 0 0 0 0
0.0
250 350 450 550 250 350 450 550
Load/N Load/N
Fig. 8 (a) Maximum micropitting depth; (b) micropitting volume of wear surfaces of gear oil and steel discs lubricated with LaF 3 gear Oil
图 8 齿轮油与含LaF 3 齿轮油润滑的钢盘磨损表面的(a)最大微点蚀深度；(b)微点蚀体积