High-temperature composite
materials on a nickel aluminide base
|
No.
|
Phase composition (mass %)
|
Porosity (%)
|
Content of additives (%)
|
Density (g/cm3)
|
Article shape after SHS densification (m)
|
|
|
1
|
NiAl
|
2.5
|
0.5
|
5.85
|
f =68, h=18
|
|
|
2
|
NiAl (claded)
|
> 1
|
1.0
|
5.90
|
f =64, h=10
|
|
|
3
|
NiAl-3% NbC
|
1.5
|
> 0.3
|
5.93
|
f =64, h=10
|
|
|
4
|
NiAl-5% NbC
|
> 1.8
|
0.3
|
6.0
|
f =64, h=10
|
|
|
5
|
NiAl-20% NbC
|
2.8
|
0.6
|
6.2
|
f =68, h=18
|
|
|
6
|
NiAl-5% Y2O3
|
1.8
|
0.4
|
5.85
|
f =68, h=18
|
|
|
7
|
NiAl-20% Y2O3
|
5.5
|
> 0.5
|
5.66
|
f =68, h=18
|
|
|
8
|
NiAl-20% TiN
|
> 7.0
|
> 0.7
|
5.75
|
f =68, h=18
|
|
|
9
|
NiAl-20% Wfiber
|
1.2
|
0.4
|
8.5
|
40x60x10
|
|
Elasticity of NiAl-based
SHS products as a function of temperature
|
Heat resistance at 1050 and 1150oC
of NiAl-based materials obtained (1, 3) in an arc-vacuum furnace
and (2, 4) by SHS method
|
|