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A Study of Thermal Properties for Fe–Ni –P–B Amorphous Nanosize Powders Prepared by Chemical Reduction

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Published/Copyright: November 9, 2021
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 88 Issue 2

Abstract

Nanosize amorphous Fe – Ni –P–B powders have been first prepared successfully by reducing iron and nickel salts with NaH2PO2 and KBH4 in aqueous solution. X-ray diffraction patterns showed that the powders were amorphous. Electron microscopy showed that the powders were nearly spherical with diameters in the range of 20 to 200 nm. The thermal properties of the amorphous powders were studied by differential scanning calorimetry (DSC). It was found that exothermic processes were different for powders with different concentrations. The first peak crystallization temperatures and crystallization heats were 622.8 to 708.5 K and 3.83 to 9.42 kJ/mol for the powders studied, respectively.

B.-W. Zhang, G. Yi, Department of Applied Physics, Hunan University, Changsha 410082, People’s Republic of China.
B.-W. Zhang also at: International Center for Materials Physics, Academia Sinica, Shenyang 110015, People‘s Republic of China.

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Received: 1996-03-19
Published Online: 2021-11-09

© 1997 Carl Hanser Verlag, München

Articles in the same Issue

  1. Frontmatter
  2. Aufsätze
  3. Application of the Tomographic Atom Probe to Selected Problems in Materials Science
  4. Precipitation During Tempering of Chromium-rich Iron-based Martensite Alloyed with Carbon and Nitrogen
  5. Preparation, Structure and Physical Properties of Fe-, Co- and Ni-rich Melt-quenched Ribbons Containing Zr or Hf
  6. Phase Formation Kinetics of Titanium Aluminides Produced from Elemental Powder Mixtures
  7. Hydroxyapatite Coatings on TiNi Shape Memory Alloys
  8. Thermomechanical Tube Spinning of AA 2014 Aluminum Alloy
  9. Production of π-AlMgSiFe Crystals
  10. Gefügeausbildung bei der Umformung im Zweiphasengebiet
  11. Thermodynamic Evaluation of the Ti–Al–O Ternary System
  12. Thermodynamic Assessment of the Ag–Mg Binary System
  13. A Study of Thermal Properties for Fe–Ni –P–B Amorphous Nanosize Powders Prepared by Chemical Reduction
  14. Determination of Phase Equilibria in the Sm–Fe –Ti System at 600 °C
  15. Mitteilungen der Deutschen Gesellschaft für Materialkunde e.V.
  16. Personen
  17. Tagung
  18. Fortbildungspraktikum
  19. Buchbesprechung
  20. Terminkalender
https://doi.org/10.3139/ijmr-1997-0030

Articles in the same Issue

  1. Frontmatter
  2. Aufsätze
  3. Application of the Tomographic Atom Probe to Selected Problems in Materials Science
  4. Precipitation During Tempering of Chromium-rich Iron-based Martensite Alloyed with Carbon and Nitrogen
  5. Preparation, Structure and Physical Properties of Fe-, Co- and Ni-rich Melt-quenched Ribbons Containing Zr or Hf
  6. Phase Formation Kinetics of Titanium Aluminides Produced from Elemental Powder Mixtures
  7. Hydroxyapatite Coatings on TiNi Shape Memory Alloys
  8. Thermomechanical Tube Spinning of AA 2014 Aluminum Alloy
  9. Production of π-AlMgSiFe Crystals
  10. Gefügeausbildung bei der Umformung im Zweiphasengebiet
  11. Thermodynamic Evaluation of the Ti–Al–O Ternary System
  12. Thermodynamic Assessment of the Ag–Mg Binary System
  13. A Study of Thermal Properties for Fe–Ni –P–B Amorphous Nanosize Powders Prepared by Chemical Reduction
  14. Determination of Phase Equilibria in the Sm–Fe –Ti System at 600 °C
  15. Mitteilungen der Deutschen Gesellschaft für Materialkunde e.V.
  16. Personen
  17. Tagung
  18. Fortbildungspraktikum
  19. Buchbesprechung
  20. Terminkalender
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