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The effect of magnetic transformations on phase diagrams

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Journal of Phase Equilibria

Conclusion

There can be little doubt that magnetism plays a key role in the phase equilibria of systems containing magnetic components. Appreciation of this fact has, however, only emerged in relatively recent times, as shown by the dates of the references to this article. This curious fact can be attributed in no small measure to the “β iron” debate, which took place almost 100 years ago and was eventually settled in favor of “β iron being just the paramagnetic form of α iron” [42]. This formulation satisfied the protagonists at the time but completely ignored the fact that a magnetic transformation is energetically as significant as an ordinary phase transformation!

It is a sobering thought that the phrase, “It's just a magnetic transformation”, effectively buried the importance of magnetic transformations, together with the demise of β iron, for more than half a century.

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  1. Department of Metallurgy and Materials Technology, University of Surrey, GU2 5XH, Guildford

    A. P. Miodownik

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Miodownik, A.P. The effect of magnetic transformations on phase diagrams. Bulletin of Alloy Phase Diagrams 2, 406–412 (1982). https://doi.org/10.1007/BF02876140

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