Synthesis of Mg-Al alloys by bulk mechanical alloying (BMA) and their hydrogen solubility

被引：2
作者：
Nobuki, Tohru
Crivello, Jean-Claude
Kuji, Toshiro [1 ]
机构：
[1] Tokai Univ, Unified Grad Sch, Course Mat Sci & Chem, Numazu 4100395, Japan
[2] Tokai Univ, Dept Perceptual Human Interface Design, Numazu 4100395, Japan
来源：
JOURNAL OF THE JAPAN INSTITUTE OF METALS | 2007年 / 71卷 / 08期
关键词：
mechanical alloying; hydrogen absorbing material; magnesium alloy; X-ray diffraction (XRD);
D O I：
10.2320/jinstmet.71.592
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
In this work, the Mg17Al12 phase was successfully synthesized by the Bulk Mechanical Alloying (BMA) based on repeating compression and extrusion cycles in the metallic die. After 2000 cycles of compression and extrusion, nano-structural Mg17Al12 phase was obtained in bulk form. X-ray diffraction (XRD), scanning electron microscopy with energy dispersive X-ray (SEM-EDX) and differential scanning calorimetry (DSC) analyses were carried out for several mechanically milled powder mixtures. The qualitative and quantitative analysis of phase abundance, evolution of microstructure and distribution of particles size were studied. It was demonstrated that Mg17Al12 alloy is able to absorb a large amount of hydrogen, higher than 3 mass% of Hydrogen.
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页码：592 / 597
页数：6
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