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

H. C. Jang; S. H. Ju; Y. C. Kang

doi:10.1007/s12540-010-0819-8

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

H. C. Jang, S. H. Ju, Y. C. Kang

Research output: Contribution to journal › Article

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 language	English
Pages (from-to)	643-647
Number of pages	5
Journal	Metals and Materials International
Volume	16
Issue number	4
DOIs	https://doi.org/10.1007/s12540-010-0819-8
Publication status	Published - 2010 Aug
Externally published	Yes

Keywords

Alloys
Chemical synthesis
Magnetic materials
Magnetic properties

ASJC Scopus subject areas

Condensed Matter Physics
Mechanics of Materials
Metals and Alloys
Materials Chemistry

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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.",

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AU - Ju, S. H.

AU - Kang, Y. C.

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N2 - 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.

AB - 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.

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