Powder 1: 35-87 μm Ni-coated Fe-9.6%Si-5.4%Al

(FeSiAl 62%)

powder 2: 28-58 μm; FeSiAl 60%;

substrate: stainless steel

Compressed air;

2.6 MPa, 550^oC;

2.6 MPa, 620^oC;

3.0 MPa, 620^oC;

3.0 MPa, 650^oC

Hardness (HV_0.1):

powder 1: 350, 340, 330, 335

powder 2: 280, 275, 273, 269

[87]

Powder: NiCr^a;

NiCr + 50 Al₂O₃^b;

NiCr + 30WC-Co-Cr^c

substrate: carbon steel

N₂; 700^oC; 3.6 MPa^a,

3.9 MPa^b,

3.7 MPa^c

Hardness: 238 HV_0.3^a;

398 HV_0.3^b;

340 HV_0.3^c

[71]

Powder: 50Ni-50Ti

substrate: carbon steel

Compressed air;

2.7 MPa;

510^oC

Coating thickness: 20-30 μm

hardness: (224.7 ± 20.9) HV_0.2

[86]

Powder: Ni-20Cr

substrate: SA 516 boiler steel

Compressed air;

1.9 MPa;

450^oC

Coating thickness: (250 ± 12) μm

hardness: 586 HV

[79]

Powder: Ni-50Cr

substrate: Superni 75

N₂;

3.0 MPa;

600^oC

Coating thickness: 298 μm

porosity: 0.875%

hardness: 533.5 HV

[80]

Powder 1: Diamalloy 1005 alloy;

powder 2: Diamalloy 1060 alloy

substrate: carbon steel

N₂;

4.0 MPa;

800^oC;

spraying distance: 40 mm

Powder 1:

coating thickness: (497 ± 39) μm

porosity: 0.21% ± 0.1%

hardness: (6.4 ± 0.5) GPa

powder 2:

coating thickness: (346 ± 23) μm

Porosity: 1.5% ± 0.2%

hardness: (5.7 ± 1.2) GPa

[85]