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Metal Science and Heat Treatment

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04-10-2016

Promising Versions of α-Martensite Rod-Like Crystal Initiation in Iron Alloys by Three Elastic Wave Sources

Authors: M. P. Kashchenko, V. G. Chashchina

Published in: Metal Science and Heat Treatment | Issue 5-6/2016

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Abstract

Versions are provided for α-martensite rod-shaped crystal initiation by three orthogonal longitudinal elastic waves propagating in orthogonal directions of the types 〈001〉_γ and 〈110〉_γ in Fe – 31% Ni single crystals. The probability is considered of direct initiation by Bain-type deformation waves. It is demonstrated within the scope of dynamic theory that the anticipated orientation of rod-like crystals is close to 〈111〉_γ or to 〈905〉_γ. Possible features of martensite crystal tetragonality are discussed. Ultrasound source power required for initiating martensitic transformation is determined.

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Title: Promising Versions of α-Martensite Rod-Like Crystal Initiation in Iron Alloys by Three Elastic Wave Sources
Authors: M. P. Kashchenko
V. G. Chashchina
Publication date: 04-10-2016
Publisher: Springer US
Published in: Metal Science and Heat Treatment / Issue 5-6/2016
Print ISSN: 0026-0673
Electronic ISSN: 1573-8973
DOI: https://doi.org/10.1007/s11041-016-9998-3

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