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Estimation for Nd-Fe-B Melt-Spun Powder Quality
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The squareness factor γ used to evaluates for criterion allowing quick estimation of the
quality of NdFeB melt-spun powders on Stoner–Wohlfarth model. For the powder compaction of
6.4 g/cm3 mass density, the measured value γ=0.48 serves the evidence of the Stoner – Wohlfarth
behaviour of the powder grains and the preparation conditions are optimal for producing Stoner –
Wohlfarth particles. For the powder compaction of given mass densities the calibration curve of
the squareness factor γ is presented. We can observe one more thing that for the ideal, full dense
compaction of NdFeB Stoner – Wohlfarth particle the squareness factor γ can not be large than
0.53.
Trans Tech Publications, Ltd.
Title: Estimation for Nd-Fe-B Melt-Spun Powder Quality
Description:
The squareness factor γ used to evaluates for criterion allowing quick estimation of the
quality of NdFeB melt-spun powders on Stoner–Wohlfarth model.
For the powder compaction of
6.
4 g/cm3 mass density, the measured value γ=0.
48 serves the evidence of the Stoner – Wohlfarth
behaviour of the powder grains and the preparation conditions are optimal for producing Stoner –
Wohlfarth particles.
For the powder compaction of given mass densities the calibration curve of
the squareness factor γ is presented.
We can observe one more thing that for the ideal, full dense
compaction of NdFeB Stoner – Wohlfarth particle the squareness factor γ can not be large than
0.
53.
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