Paper Title:
Hydrogenation and Degradation Behaviors of Mg-Ni Alloys
  Abstract

In this study, melting and casting of Mg-Ni alloys in ambient atmosphere for mass production, nickel content adjustment for enhancing hydrogen capacity and reducing alloy weight, and cyclic hydriding/dehydriding test for evaluation of degradation properties were investigated. Mg-Ni alloys were fabricated by Rotation-Cylinder Method (RCM) in ambient atmosphere. Hydriding/dehydriding reactions were repeated 350 times at 350°C to evaluate degradation property. SEM-EDS analysis revealed that the lamellar eutectic structure of Mg-Ni alloy consists of Mg-rich α-phase and β-Mg2Ni. It is supposed that the lamellar eutectic structure enhances hydrogenation properties of Mg-Ni alloys.

  Info
Periodical
Materials Science Forum (Volumes 539-543)
Main Theme
Edited by
T. Chandra, K. Tsuzaki, M. Militzer , C. Ravindran
Pages
1802-1806
DOI
10.4028/www.scientific.net/MSF.539-543.1802
Citation
W. Ha, J. I. Youn, Y. J. Kim, "Hydrogenation and Degradation Behaviors of Mg-Ni Alloys", Materials Science Forum, Vols. 539-543, pp. 1802-1806, 2007
Online since
March 2007
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$32.00
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