Synergistic Effects of Al and Cr Addition on Microstructure of Mg2Ni Hydrogen Storage Alloy

Zhao Ming Xie; Fu Sheng Pan; Ya Fang Xiang; Yuan Chen

doi:10.4028/www.scientific.net/MSF.610-613.960

Paper Titles

Study on Corrosion and Degradation Behavior of Mg-Ca Alloy in Simulated Body Fluid
p.942

Effect of Al Content on Hydrogen Storage Properties of Amorphous Mg1-xAlxNi (x=0, 0.1, 0.2, 0.3) Alloy
p.946

Constitutive Description for Drawing Limit of Magnesium Alloy Tube Based on Continuum Damage Mechanics
p.951

Mechanochemical Synthesis of Nanocrystalline Mg-Based Hydrogen Storage Composites in Hydrogen Alloying Mills
p.955

Synergistic Effects of Al and Cr Addition on Microstructure of Mg₂Ni Hydrogen Storage Alloy
p.960

Research on Corrosion Resistance of Mg-Al-Sr Alloy
p.964

Study on Expansion of Cement-Based Material with Addition of Magnesium Oxide
p.968

Finishing Advanced Surface of Magnesium Alloy Tube Based on Abrasive Belt Grinding Techology
p.975

Thermal Analysis on Vacuum Synchronous Reduction for the Preparation of Mg-Sr Alloy
p.979

HomeMaterials Science ForumMaterials Science Forum Vols. 610-613Synergistic Effects of Al and Cr Addition on...

Synergistic Effects of Al and Cr Addition on Microstructure of Mg₂Ni Hydrogen Storage Alloy

Abstract:

The Mg-based hydrogen storage alloys of Mg2Ni (A2B), Mg1.7Al0.3Ni, Mg2Ni0.8Cr0.2 and Mg1.8Al0.2Ni0.8Cr0.2 were successfully prepared by mechanical alloying and sintering. The effect of the substitution side A by Al and side B by Cr on microstructure of Mg2Ni alloy has been studied by XRD and SEM. The results indicated that the synergistic effect occurred when the elements Al and Cr coexist in Mg2Ni alloy, element Cr could inhibit the formation of non-hydrogen-adsorption phase of Al3Ni2, in addition, it will promote the formation of hydrogen-adsorption phase of Mg3AlNi2; the existence of Al could inhibit the formation of non-hydrogen-adsorption phase of -[ Cr, Ni].