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Dynamic Compaction and Hot-Isostatic-Pressing of Nickelaluminides

Published online by Cambridge University Press:  26 February 2011

O. Arkens ,
L. Delaey ,
J. de Tavernier ,
B. Huybrechts ,
L. Buekenhout  and
J. C. Libouton
O. Arkens
Affiliation:
Department of Metallurgy and Materials Engineering, Katholieke Universiteit Leuven, de Croylaan 2, 3030 Heverlee (Belgium)
L. Delaey
Affiliation:
Department of Metallurgy and Materials Engineering, Katholieke Universiteit Leuven, de Croylaan 2, 3030 Heverlee (Belgium)
J. de Tavernier
Affiliation:
Department of Metallurgy and Materials Engineering, Katholieke Universiteit Leuven, de Croylaan 2, 3030 Heverlee (Belgium)
B. Huybrechts
Affiliation:
Department of Metallurgy and Materials Engineering, Katholieke Universiteit Leuven, de Croylaan 2, 3030 Heverlee (Belgium)
L. Buekenhout
Affiliation:
Industrial Materials Technology, National Forge Europe, Industriepark-Noord 7, 2700 Sint-Niklaas (Belgium)
J. C. Libouton
Affiliation:
Nobel Explosives Belgium, de Broquevillelaan 12B4, 1150 Sterrebeek (Belgium)
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Abstract

Explosive compaction and HIPping of stoichiometric mixtures of Ni and Al (and B) powder is optimized in order to obtain fine grained NiAl− and Ni3Al(+B) intermetallics.

Starting from an appropriate mixture of pure fine Ni− and fine Al− (and B) powders fine nickel-aluminides are produced due to a selfpropagation high temperature synthesis during processing. HIPping experiments are done also on spherical Ni-coated Al-powders. The specimens are characterized by metallography and the homogeneity of the final product is controlled by microanalytical methods.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 133: Symposium H – High-Temperature Ordered Intermetallic Alloys III , 1988 , 493
Copyright
Copyright © Materials Research Society 1989

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References

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