1988
DOI: 10.1002/pssa.2211050126
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Mössbauer and thermomagnetic analysis of Al-containing NdFeB permanent magnet alloys

Abstract: Arc melted polycrystalline samples with nominal composition Nd,,),6B,(0.0 5 x s 0.15) are analyzed by means of thermomagnetic analysis and Mossbauer spectroscopy. I n the as-cast state only one ferromagnetic phase crystallizes for z 2 0.08, and is identified as the doped Nd,Fe,,B alloy. For a higher A1 content, a second magnetic phase is detected with a Curie temperature of about 170 "C. In the composition range studied, the Curie temperature of the A1 substituted tetragonal magnetic phase decreases linearly w… Show more

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