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Magnetic properties of amorphous CoxNb100− x alloys produced by mechanical alloying

K. D. Machado, R. C. da Silva

2002enmagneticalloysmechanicalmaterialsproperties

Abstract

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This study investigates the magnetic properties of three amorphous Co xNb100− x alloys, namely Co 25Nb75, Co 57Nb43, and Co 80Nb20, produced through the Mechanical Alloying technique starting from elemental powders. We utilized an alternating gradient force magnetometer (AGFM) to determine their magnetic characteristics, including remanent magnetizations, saturation fields, and coercive fields derived from hysteresis loops. The results revealed that the alloys exhibited relatively high saturation fields, which decreased as the cobalt content increased. Notably, the coercivity and remanent magnetization reached optimal values at approximately 57% cobalt content, identifying Co57Nb43 as the hardest magnetic material among the studied alloys. However, further addition of cobalt resulted in a softer alloy, specifically Co80Nb20. These findings underline the significance of composition in influencing the magnetic properties of cobalt-niobium amorphous alloys.

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Cite This Work

@article{5b33737b-5646-4e87-91e4-7115cc39de45,
  title={Magnetic properties of amorphous CoxNb100− x alloys produced by mechanical alloying},
  author={K. D. Machado and R. C. da Silva},
  year={2002},
  language={en}
}
TY  - JOUR
TI  - Magnetic properties of amorphous CoxNb100− x alloys produced by mechanical alloying
AU  - K. D. Machado
AU  - R. C. da Silva
PY  - 2002
LA  - en
ER  -

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