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A Comparison of Different Ni+Al Structural Energetic Materials

Published online by Cambridge University Press:  23 January 2013

B. Aydelotte  and
N.N. Thadhani
B. Aydelotte
Affiliation:
School of Materials Science and Engineering Georgia, Institute of Technology, 771 Ferst Dr NW., Atlanta, GA 30332
N.N. Thadhani
Affiliation:
School of Materials Science and Engineering Georgia, Institute of Technology, 771 Ferst Dr NW., Atlanta, GA 30332
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Abstract

A comparison of different Ni+Al reactive materials is conducted to elucidate the effects of microstructure morphology on performance. CTH, a multi-material Eulerian hydrocode, was utilized to study mesoscale deformation during simulated rod-on-anvil experiments. It is found that the cold sprayed Ni+Al, which has a more topologically connected nickel phase, is likely to be more reactive because of enhanced deformation in the Ni phase relative to explosively compacted Ni+Al, where the Ni phase undergoes less deformation. Rod-on-anvil impact tests verify that cold sprayed Ni+Al is indeed more reactive than explosively compacted Ni+Al when subject to impact.

Keywords

energetic materialAlNi

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Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1521: Symposium OO – Properties, Processing and Applications of Reactive Materials , 2013 , mrsf12-1521-oo08-02
Copyright
Copyright © Materials Research Society 2013

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