Characteristics of fine size Fe-Ni alloy powders directly prepared by spray pyrolysis

H. C. Jang, S. H. Ju, Yun Chan Kang

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Fe-Ni alloy powders with composition of Fe025Ni075 were directly prepared by spray pyrolysis. The powders prepared at temperatures of 1200 and 1400 °C had peaks of pure Fe-Ni3 alloy phase. The alloy powders with a spherical shape and dense structure were prepared at a temperature of 1400 °C by melting the powders. The composition ratio of Fe and Ni components in the alloy powders prepared at a temperature of 1400 °C coincided well with that of the spray solution. The mean sizes of the alloy powders changed from 0.20 to 0.74 μm when the concentrations of the spray solution changed from 0.02 to 1 M. The alloy powders prepared from the spray solution with a concentration of 0.5 M had a maximum saturation magnetization and minimum coercivity values as 96.95 emu g-1 and 34.67 Oe, respectively.

Original languageEnglish
Pages (from-to)643-647
Number of pages5
JournalMetals and Materials International
Volume16
Issue number4
DOIs
Publication statusPublished - 2010 Aug 1
Externally publishedYes

Fingerprint

Spray pyrolysis
Powders
pyrolysis
sprayers
Saturation magnetization
Coercive force
Chemical analysis
Temperature
coercivity
temperature
Melting
melting
saturation
magnetization

Keywords

  • Alloys
  • Chemical synthesis
  • Magnetic materials
  • Magnetic properties

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Metals and Alloys
  • Materials Chemistry

Cite this

Characteristics of fine size Fe-Ni alloy powders directly prepared by spray pyrolysis. / Jang, H. C.; Ju, S. H.; Kang, Yun Chan.

In: Metals and Materials International, Vol. 16, No. 4, 01.08.2010, p. 643-647.

Research output: Contribution to journalArticle

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