Page 92 - 《摩擦学学报》2020年第3期

358 摩 擦 学 学 报 第 40 卷

0.45
40
20
0.40 0
Friction coefficient 0.30 Wear depth/μm −20 −63.6
0.35
−40
−60
−80
0.25
A1 (022Cr12Ni9Cu2NbTi/TC4) −100 −73.6 022Cr12Ni9Cu2NbTi/TC4
0.20 A2 (1Cr18Ni9Ti/TC4) −120 1Cr18Ni9Ti/TC4
100 A3 (90Cr18MoV/TC4) 90Cr18MoV/TC4
−140
0.15
0 500 1 000 1 500 2 000 2 500 3 000 3 500 0 1 2 3 4
Time/s Lateral/mm
(a) Friction coefficient (b) Wear profile of the plat samples with half of the travel
0.35
40 022Cr12Ni9Cu2NbTi/TC4
N C2 0.29
1Cr18Ni9Ti/TC4
20 0.30
90Cr18MoV/TC4 0.25 N C
0 0.25
Wear depth/μm −40 Wear volume/mm 3 0.20 0.12 0.17 0.11
−20
−60
0.15
−80
−100 −97.7 0.10 0.09
−120 0.05
−140 −141.7
0.00
0 1 2 3 4 A1 A2 A3
Lateral/mm
(c) Wear profile of the plat samples with the whole travel (d) Wear volume

Fig. 5 Friction and wear properties of the cam/roller pair
图 5 凸轮/滚子摩擦磨损特性
100
Point1
90
Point2
80
70 68.1
Weight/% 50 35.0
Point2 60
40
30 30.6
20 17.0 11.8
9.2
10 3.7 0.0 0.0 1.5 0.9 0.0 1.6 6.5 7.4 3.3 2.1 0.8
50 μm 0
Point1 C O Al Ti V Cr Fe Ni Cu
Element
(a) Morphology of the plat sample with half of the travel (b) Element weight percentage of the marks in fig.6 (a)
100
90 Point3
80 Point4
70 57.5
Weight/%
50
Point3 60 48.6
Point4 40
30 20.7 19.7
20 16.7
10 4.4 9.2
3.2 3.7 3.2 2.5 2.1 1.5 3.1 1.0 2.2 0.7
0 0.0
50 μm C O Al Ti V Cr Fe Ni Cu
Element
(c) Morphology of the plat sample with the whole travel (d) Element weight percentage of the marks in fig.6 (c)

Fig. 6 Wear morphology and element weight percentage of the 022Cr12Ni9Cu2NbTi plat sample
图 6 022Cr12Ni9Cu2NbTi平面试样的磨痕形貌和成分