冷喷涂<strong>Ni</strong>及镍基复合涂层研究进展

冷喷涂Ni及镍基复合涂层研究进展

李文亚, 张正茂, 徐雅欣, 宋志国, 殷硕

Research Progress of Cold Sprayed Ni and Ni-Based Composite Coatings: A Review

LI Wenya, ZHANG Zhengmao, XU Yaxin, SONG Zhiguo, YIN Shuo

表2 现有冷喷涂Ni涂层部分文献主要结果^{[24,31,45,60,63,66,71]}

Table 2 Main results of existing literature on cold sprayed Ni coatings^{[24,31,45,60,63,66,71]}

Powder/substrate

Preparation condition

Main result

Ref.

Powder: GA-Ni with an average particle size of 35 μm;

substrate: grit blasted low carbon steel

N₂; 2.5 MPa; 600^oC

Powder preheating temperature (^oC):

300, 400, 500, 600

500^oC: (274 ± 19) HV_0.1, DE: 95%

600^oC: (278 ± 15) HV_0.1, DE: 90%

[60]

Powder: 26-44 μm GA-Ni;

substrate: grit blasted low carbon steel

N₂; 2.5 MPa; 600^oC

He; 1.5 MPa; 600^oC

N₂: 275 HV_0.1, DE: 90%

He: 313 HV_0.1, DE: 20%

[31]

Powder: 20-30 nm GA-Ni;

substrate: grit blasted Al

He; 1.7 MPa; 25^oC

(605 ± 13) HV_300g

[45]

Powder: GA-Ni and E-Ni with an average particle size of 34 and 31 μm;

substrate: 1Cr18Ni9 stainless steel

N₂; 2.8 MPa; 400^oC

GA-Ni: undeposited

E-Ni : (605 ± 13) HV_0.3, DE:73%

[24]

Powder: E-Ni with an average particle size of 34 μm;

substrate: grit blasted 410 stainless steel

N₂; 2.8 MPa;

gas temperature (^oC): 350, 400, 450

350^oC: 153 HV_0.3, DE: 43.4%

400^oC: 194 HV_0.3, DE: 73.3%

450^oC: 201 HV_0.3, DE: 79.7%

[63]

Powder: 10-45 μm GA-Ni

substrate: Al; the surface treatments are polish, ground, grit-blast (2.5 μm), and grit-blast (6.5 μm)

Compressed air; 2.5 MPa; 600^oC

Bonding strength: 30 MPa;

25 MPa; 15 MPa; 18 MPa

[66]

Powder: 20-40 μm GA-Ni

substrate: grit blasted low carbon steel

N₂; 3.6 MPa; 700^oC

heat treatment temperature: 600^oC

As-sprayed: 238 HV_0.3

Heat-treated: 124 HV_0.3

[71]