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International Journal of Energetic Materials and Chemical Propulsion
ESCI SJR: 0.28 SNIP: 0.421 CiteScore™: 0.9

ISSN Print: 2150-766X
ISSN Online: 2150-7678

International Journal of Energetic Materials and Chemical Propulsion

DOI: 10.1615/IntJEnergeticMaterialsChemProp.2013005386
pages 347-359

THERMAL EXPLOSION SYNTHESIS OF TITANIUM HYDRIDE POWDERS

Valery Rosenband
Faculty of Aerospace Engineering, Technion- Israel Institute of Technology, Haifa 32000, Israel
Alon Gany
Sylvia and David IA Fine Rocket Propulsion Center and the Aerothermodynamics Lab, Faculty of Aerospace Engineering, Technion – Israel Institute of Technology, Haifa, 3200003, Israel

ABSTRACT

Titanium hydride (TiH2) is used in the fields of pyrotechnics, metallurgy, and hydrogen (H2) storage. Different pyrotechnic compositions and flash powders contain mixtures of TiH2 with potassium perchlorate. Because of its high H2 content (about 4%), TiH2 is also used as a H2 storage medium. Hydrides offer a compact H2 storage option, minimizing the H2 effective volume and improving the H2 storage safety. The traditional method of TiH2 production consists of a long exposure of Ti metal to H2 at elevated temperature and pressure. This paper describes a new thermal explosion method for production of TiH2, as well as a parametric investigation using the new experimental technique to evaluate the H2 content in the resulting hydride.


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