Precise relative quench rate determination in rapidly quenched NdFeB alloys

The Curie temperature of the amorphous phase in rapidly quenched Nd 14Fe 80B 6 is shown to be an excellent measure of the relative quench rate. The technique depends on the existence of a significant range of quench rates where the material contains two phases and consists of crystallites of well-de...

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Bibliographic Details
Published in:Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 1990-01, Vol.123 (2), p.L9-L12
Main Authors: Xu, Yan, Altounian, Z., Muir, W.B.
Format: Article
Language:English
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Summary:The Curie temperature of the amorphous phase in rapidly quenched Nd 14Fe 80B 6 is shown to be an excellent measure of the relative quench rate. The technique depends on the existence of a significant range of quench rates where the material contains two phases and consists of crystallites of well-defined stoichiometry embedded in a magnetic amorphous matrix. The change in the concentration of the crystalline phase with quench rate results in a change in composition of the amorphous matrix and hence in its Curie temperature which is thus directly related to the relative quench rate.
ISSN:0921-5093
1873-4936
DOI:10.1016/0921-5093(90)90299-I