Page 10 - 《摩擦学学报》2020年第6期

第 6 期 范祥娟, 等: Ni 3 Al基涂层与不同材料配副时宽温域的摩擦学行为 693

300 μm
Peeling
Crack

A
30 μm 50 μm
(a) Wear morphology, Ni 3 Al/316L (b) Wear debris, Ni 3 Al/316L

A
300 μm
Peeling

Plastic deformation
5 μm 50 μm

(c) Wear morphology, Ni 3 Al/Al 2 O 3 (d) Wear debris, Ni 3 Al/Al 2 O 3

Fig. 7 The local magnification of wear morphology and wear debris at 400 ℃
图 7 400 ℃时磨痕和磨屑形貌局部放大

4 000
NiCr 2 O 4 NiO
3 200
NiO
3 200 NiO NiCr 2 O 4
Intensity/a.u. NiO Intensity/a.u. AgO
2 400
NiO
NiO
AgO
1 600
Fe 3 O 4 Cr 2 O 3 2 400 Cr 2 O 3 NiO
800
1 600
200 400 600 800 1 000 1 200 200 400 600 800 1 000 1 200
Raman shift/cm −1 Raman shift/cm −1
(a) Ni 3 Al/316L, 600 ℃ (b) Ni 3 Al/Al 2 O 3 , 600 ℃
60 000
45 000 NiO NiO
AgO AgO
45 000
Intensity/a.u. 30 000 BaMoO 4 Intensity/a.u. 30 000 BaMoO 4

15 000 Cr 2 O 3 BaMoO 4 NiO NiO NiO Cr 2 O 3 BaMoO 4 NiO NiO
NiO Fe 3 O 4 NiCr 2 O 4 15 000 NiO NiCr 2 O 4
AgO
Fe 3 O 4
0
200 400 600 800 1 000 1 200 200 400 600 800 1 000 1 200
Raman shift/cm −1 Raman shift/cm −1
(c) Ni 3 Al/316L, 800 ℃ (d) Ni 3 Al/Al 2 O 3 , 800 ℃

Fig. 8 Raman spectra of the worn surface
图 8 磨损表面拉曼谱图