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Erschienen in:

2018 | OriginalPaper | Buchkapitel

The Martensitic Transformation in Indium-Thallium Alloys

verfasst von : T. R. Finlayson, G. J. McIntyre, K. C. Rule

Erschienen in: Proceedings of the International Conference on Martensitic Transformations: Chicago

Verlag: Springer International Publishing

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Abstract

The martensitic transformation in indium-thallium alloys is reviewed with a focus on the nature of the transformation as has been investigated using elastic and lattice vibrational properties. Recent measurements from thermal-neutron Laue and cold-neutron, triple-axis experiments are presented in an attempt to ratify the traditional explanation for the transformation as being driven by phonon softening for low-ζ \( \left[ {\upzeta \upzeta 0} \right]\left[ {{\upzeta{{ \bar{\upzeta }}}}0} \right] \) (i.e., T1) phonons. No evidence for phonon softening has been found to as low as ζ = 0.02 reciprocal lattice units on the T1 phonon branch. An alternative mechanism is advanced, for the transformation involving nucleation and growth on {111} planes, which appears to be consistent with electron diffuse scattering in the system. Such a mechanism is also consistent with the transition being driven by the electronic free energy of the system, as has been demonstrated by other properties.

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Titel: The Martensitic Transformation in Indium-Thallium Alloys
verfasst von: T. R. Finlayson
G. J. McIntyre
K. C. Rule
Verlag: Springer International Publishing
Buch: Proceedings of the International Conference on Martensitic Transformations: Chicago
Print ISBN: 978-3-319-76967-7

Electronic ISBN: 978-3-319-76968-4

Copyright-Jahr: 2018
DOI: https://doi.org/10.1007/978-3-319-76968-4_45

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