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http://dx.doi.org/10.12925/jkocs.2018.35.1.214

Process variables of gamma-type aluminum trihydride in wet chemical synthesis  

Yang, Yo-Han (Department of Applied Environmental Science Kyung Hee University)
Kim, Woo-Ram (Department of Applied Environmental Science Kyung Hee University)
Gwon, Yoon-Ja (Department of Applied Environmental Science Kyung Hee University)
Park, Mi-Jeong (Department of Applied Environmental Science Kyung Hee University)
Kim, Jun-Hyung (Agency for Defense Development)
Cho, Young-Min (Department of Applied Environmental Science Kyung Hee University)
Publication Information
Journal of the Korean Applied Science and Technology / v.35, no.1, 2018 , pp. 214-222 More about this Journal
Abstract
Alane(aluminum trihydride, $AlH_3$) is a candidate material involving high energetic capacity for solid propellant or explosives. In this study aluminum trihydride-etherate ($AlH_3{\cdot}(C_2H_5)_2O$) was synthesized through a wet process, and solid alane was extracted by controlled crystallization. Alane crystals were grown during the crystallization step with phase conversion of aluminum trihydride-etherate to alane using an anti-solvent. Stable crystal forms were found by a 2 hour crystallization process at $85^{\circ}C$. Finally the extracted solid aluminium trihydride consisted mainly of ${\gamma}-type$ with $50-100{\mu}m$ in size.
Keywords
Aluminum trihydride; Wet chemical synthesis; Polymorph; Stabilization; Energy material;
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Times Cited By KSCI : 1  (Citation Analysis)
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