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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
 


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Elasticity of NiAl-based SHS products as a function of temperature
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Heat resistance at 1050 and 1150oC of NiAl-based materials obtained (1, 3) in an arc-vacuum furnace and (2, 4) by SHS method
 
 
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