Page 12 - 摩擦学学报2025年第9期

1266 摩擦学学报（中英文） 第 45 卷

Substrate Cladding layer
Z/μm
5 3.0 Z/μm
PSR: D=10 μm

−5 1.4 mm 1.6 mm Y −1.5 1.4 mm 1.6 mm Y
X
X
Z/μm Z/μm
10 −6
MR: D=20 μm

X
X
−10 1.4 mm 1.6 mm Y −3 1.4 mm 1.6 mm Y
Z/μm
10 Z/μm
16
SR: D=40 μm

−30 1.4 mm 1.6 mm Y 1.4 mm 1.6 mm Y
X −8 X

(a) Three-dimensional morphology
20 10
Cladding layer-10 μm
10 5 Cladding layer-20 μm
Cladding layer-40 μm
Wear depth/μm −10 0 h max =0.94 μm Substrate-10 μm Wear depth/μm 0
h max =4.26 μm

h max =19.05 μm
Substrate-20 μm
−20
Substrate-40 μm −5 h max =0.53 μm h max =1.16 μm h max =5.75 μm
−30 −10
0.0 0.4 0.8 1.2 1.6 0.0 0.4 0.8 1.2 1.6
Wear width/mm Wear width/mm
(b) Two-dimensional outline plan
Wear volume-substrate 22
10 Wear volume-cladding layer
Wear rate-substrate
Wear rate-cladding layer 20
2.5
Wear rate-cladding
Wear volume/10 5 μm 3 8 Wear rate/[10 −6 μm 3 /(N·m)] 1.5 0 10 20 40 6 4 Wear rate/[10 −6 mm 3 /(N·m)]
2.0
18
layer
1.0
0.5
0.0
2
Displacement/μm
2
0 0
0 10 20 40 50
Displacement/μm
(c) Wear volume and wear rate
Fig. 10 Three-dimensional morphology information of G20Mn5QT cast steel substrate and 316L
cladding layer under different displacement amplitudes
图 10 不同位移幅值下G20Mn5QT铸钢基体及316L熔覆涂层的三维形貌信息