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  • Qadeer, Muhammad I., et al. (author)
  • Anomalous high temperature oxidation of Sm 2(Fe,Co,Cu,Zr) 17 particles
  • 2012
  • In: Corrosion Science. - : Elsevier BV. - 0010-938X .- 1879-0496. ; 65, s. 453-460
  • Journal article (peer-reviewed)abstract
    • Sm 2Co 17 alloys are attractive as high temperature permanent magnets; however their magnetic properties are prone to degrade by oxidation. The oxidation mechanism is not clearly understood, and inconsistent results are reported in the literature.This work correlates the oxidation of Sm 2(Co,Fe,Cu,Zr) 17 with microstructural and microchemical changes as a consequence of chemical reaction of alloy particles with their environment at high temperature. Thermogravimetric analysis suggests a change in oxidation mechanism occurs at 550°C. Energy dispersive X-ray spectroscopy suggests this is related to the loss of Sm by sublimation.
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Type of publication
journal article (1)
Type of content
peer-reviewed (1)
Author/Editor
Hedenqvist, Mikael S ... (1)
Azhdar, Bruska (1)
Savage, S. J. (1)
Qadeer, Muhammad I. (1)
University
Royal Institute of Technology (1)
Language
English (1)
Research subject (UKÄ/SCB)
Engineering and Technology (1)
Year
2012 (1)

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