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Abstract <p>This article presents results of studying the structure of fast-solidified foils of an alloy made of aluminum scrap (aluminum tube containing up to 0.3 wt % of iron and silicon) and alloyed with bismuth up to 7.5 wt %. The cooling rate of the melt was ~10<sup>5</sup>–10<sup>6</sup> K/s. The nonuniform microstructure of foils formed during crystallization was found. It was shown that the interaction of foils with water at room temperature and atmospheric pressure is accompanied by the release of hydrogen and a white powder consisting of Al<sub>2</sub>O<sub>3</sub>·3H<sub>2</sub>O + Al<sub>2</sub>O<sub>3</sub>·5H<sub>2</sub>O compounds and dispersed bismuth particles.</p>

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Hydrogen Production by Interaction of Fast-Solidified Foils of Alloy from Aluminum Scrap and Bismuth with Water

  • 期刊论文

  • 发表日期：

    2025年6月1日

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  • V. G. Shepelevich

摘要

Abstract

This article presents results of studying the structure of fast-solidified foils of an alloy made of aluminum scrap (aluminum tube containing up to 0.3 wt % of iron and silicon) and alloyed with bismuth up to 7.5 wt %. The cooling rate of the melt was ~105–106 K/s. The nonuniform microstructure of foils formed during crystallization was found. It was shown that the interaction of foils with water at room temperature and atmospheric pressure is accompanied by the release of hydrogen and a white powder consisting of Al2O3·3H2O + Al2O3·5H2O compounds and dispersed bismuth particles.