Grain refinement and Al-water reactivity of Al-Ga-In-Sn alloys
International Journal of Hydrogen Energy(2017)
摘要
AlGaInSn alloys were prepared by using traditional casting metallurgy method with different additions of Al5Ti1B grain refiner. Their microstructures were investigated by means of X-ray diffraction (XRD) and scanning electron microscope (SEM) with energy dispersed X-ray (EDX). The Al grains of alloys are refined significantly from 129 μm to 57 μm with increasing Ti content from 0.03 wt% to 0.24 wt%. Many thin dendrites that are a few micrometers thick are observed within Al grains.
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关键词
Al alloy,Grain refinement,Reactivity,Hydrogen generation rate,Hydrogen yield
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