Hydrogen Absorption and Desorption Performance of Magnesium-Aluminium Alloys Produced by Powder Metallurgy

被引：0

作者：

Nalbant, Muhammet Ali ^{[1
]}

Korkut, Ozlem ^{[1
]}

机构：

[1] Ataturk Univ, Fac Engn, Dept Chem Engn, Erzurum, Turkey

来源：

JOURNAL OF THE CHEMICAL SOCIETY OF PAKISTAN | 2014年 / 36卷 / 03期

关键词：

Metal alloys; Hydrogen storage and Desorption; powder metallurgy; MG-AL; HYDRIDING BEHAVIOR; COMPOSITES;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The main scope of this study is investigating the hydrogen storage and desorption performance of Mg:Al (90:10), Mg17Al12 and Mg2Al3 alloys using a volumetric method. In the experiments, hydrogen pressure introduced into a reference volume was at approximately 20 Bar. Mg-Al alloys were prepared by a powder metallurgy technique. Pressing pressure levels of alloys were altered as 200, 400 and 600 MPa. Upon XRD patterns, after the pressing and sintering, beta-Mg2Al3 and Mg:Al(90:10) phases decomposed into gamma-Mg17Al12, Mg and Al compositions. gamma-Mg17Al12 was the main phase in the hydrogen absorption/desorption process. The highest absorption of hydrogen was observed in the Mg:Al (90:10) alloys. The hydrogen desorption performance of the alloys decreased with the increase of absorption performance. Therefore the lowest desorption was observed in the Mg:Al (90:10) alloys.

引用

页码：439 / 445

页数：7

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