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Aluminium and zirconium powders as components of specialty pyrotechnics and rocket propellants

Czajka B., Pruchniak K., Wachowski L.

Materiały Wysokoenergetyczne

2012

T. 4

36--40

Methods of obtaining aluminium and zirconium powders, decisively infuencing their granulation and thickness of the passivation layer formed on the metal surface are discussed. Application of zirconium instead of aluminium can lead to ignition resulting from its high electrostatic discharge sensitivity. One of the ways to avoid this issue is to replace metallic zirconium with the ZrH2 powder or to coat its surface with aluminium.