New MgVCr BCC alloys synthesized by high-pressure torsion and ball milling

Keisuke Fujiwara, Ryoko Uehiro, Kaveh Edalati, Hai Wen Li, Ricardo Floriano, Etsuo Akiba, Zenji Horita

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)


MgVCr alloys can be considered as alternatives to the TiVCr BCC (body-centered cubic) alloys for hydrogen storage at room temperature, but their synthesis has not been successful so far because Mg is immiscible in V and Cr. In this study, the first MgVCr BCC alloys were synthesized from elemental powders by severe plastic deformation via the high-pressure torsion (HPT) method as well as by high-energy ball milling. Structural homogeneity, thermal stability and hydrogen storage at room temperature were dependent on the composition and the best performances were achieved for the MgVCr composition with the maximum configurational entropy.

Original languageEnglish
Pages (from-to)741-746
Number of pages6
JournalMaterials Transactions
Issue number5
Publication statusPublished - 2018

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering


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