Magnetic Properties and Crystallization of the Fe75Si 15B10 Amorphous Alloy Prepared by Mechanical Alloying

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Abstract

The magnetic order and crystallization of the amorphous Fe 75Si15B10 alloy prepared by mechanical alloying was studied in situ by 57Fe Mössbauer spectroscopy. These measurements were carried out using a vacuum furnace, controlling the temperature in the absorber. From Mössbauer measurements the magnetic order temperature of the as-milled sample was estimated at about 675 K. In order to identify the crystalline phases formed during heating, Mössbauer measurements were analyzed together with X-ray diffraction analysis. Both results show the formation of several crystalline phases such as Fe 5SiB2, Fe2B, Fe3Si, α-Fe, Fe-B composite and a residual amorphous phase.

Original languageEnglish
Pages (from-to)97-102
Number of pages6
JournalHyperfine Interactions
Volume148-149
Issue number1-4
DOIs
StatePublished - 2003
Externally publishedYes

Bibliographical note

Funding Information:
The authors would like to acknowledge the financial support provided by CSI-UNMSM under project N◦ 011301021, FAPERJ-Brazil (Cientista do Nosso Estado) and Latin American Center of Physics. It is a pleasure to thank Prof. J. M. Greneche for his helpful contribution.

Keywords

  • Mechanical alloying
  • Metallic alloys
  • Mössbauer spectroscopy
  • Soft magnetic materials

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