Interaction of Ground SmCo4.8Zr0.2 Alloy with Hydrogen

The hydrogen pressure and reaction time were studied during disproportionation of the ground SmCo 4.8 Zr 0.2 alloy. The alloy ground at ν = 100 rpm for τ = 24 h disproportionates at 0.5 MPa hydrogen pressure within 15–30 min, the alloy ground at ν = 200 rpm for τ = 6 and 12 h disproportionates at 0....

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Bibliographic Details
Published in:Powder metallurgy and metal ceramics 2018, Vol.56 (9-10), p.581-588
Main Authors: Bulyk, I. I., Borukh, I. V.
Format: Article
Language:English
Subjects:
Ceramics
Characterization and Evaluation of Materials
Chemistry and Materials Science
Composites
Disproportionation
Ferromagnetic phases
Ferromagnetism
Glass
Hydrogen
Materials Science
Metallic Materials
Natural Materials
Reaction time
Samarium base alloys
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Summary:The hydrogen pressure and reaction time were studied during disproportionation of the ground SmCo 4.8 Zr 0.2 alloy. The alloy ground at ν = 100 rpm for τ = 24 h disproportionates at 0.5 MPa hydrogen pressure within 15–30 min, the alloy ground at ν = 200 rpm for τ = 6 and 12 h disproportionates at 0.5 MPa hydrogen pressure, and the alloy ground at ν = 300 rpm for τ = 6 h disproportionates into SmH x and ht-Co below 0.1 MPa hydrogen pressure. Residues of the CaCu 5 –type ferromagnetic phase were found among the disproportionation products.
ISSN:1068-1302
1573-9066
DOI:10.1007/s11106-018-9931-y