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Название: Dynamic theory of morphological characteristics of crystals of ε and γ phases, including Headley–Brooks orientation relationships upon the α–ε and α–ε–γ martensitic transformations
Авторы: Kashchenko, M. P.
Chashchina, V. G.
Дата публикации: 2015
Издатель: Maik Nauka-Interperiodica Publishing
Библиографическое описание: Kashchenko, M. P. Dynamic theory of morphological characteristics of crystals of ε and γ phases, including Headley–Brooks orientation relationships upon the α–ε and α–ε–γ martensitic transformations / M. P. Kashchenko, V. G. Chashchina // Physics of Metals and Metallography. – 2015. – Vol. 116. – Iss. 10. – P. 959-966.
Аннотация: Different variants of the formation of martensite crystals upon the α–γ transformation caused by the tension–compression deformation of {110}α planes have been considered according to the dynamic theory of martensitic transformations. In contrast to previous works, here we take into account the deviation (angle θ) of the principal directions of deformation from the symmetry axes (Formula Presented.). It has been shown that the requirement of the symmetry of the arrangement of atoms in the basal plane {0001}ε is satisfied in the range of angular deviations–(Formula Presented.). The algorithm for calculating the morphological characteristics is illustrated based on the example of an elastically isotropic medium, which does not require assigning concrete values of elastic moduli. The estimations performed make it possible, in particular, to explain the physical nature of the Headley–Brooks orientation relationships as a result of the inheritance of one of the variants of permissible material orientation relationships for the α–ε transformation in the course of the ε–γ transformation at θ ~ 35°. The changes in the other morphological signs are also discussed. © 2015, Pleiades Publishing, Ltd.
Ключевые слова: DYNAMIC THEORY
HEADLEY–BROOKS ORIENTATION RELATIONSHIPS
MARTENSITIC Α–Ε TRANSFORMATION
MATERIAL ORIENTATION RELATIONSHIPS
CRYSTAL ORIENTATION
DEFORMATION
ANGULAR DEVIATIONS
COMPRESSION DEFORMATION
DYNAMIC THEORY
MARTENSITE CRYSTALS
MATERIAL ORIENTATION
MORPHOLOGICAL CHARACTERISTIC
ORIENTATION RELATIONSHIP
PRINCIPAL DIRECTIONS
MARTENSITIC TRANSFORMATIONS
URI: https://elar.usfeu.ru/handle/123456789/8781
DOI: 10.1134/S0031918X15100063
SCOPUS: 2-s2.0-84945182693
WoS: WOS:000363265500001
РИНЦ: 24963467
Располагается в коллекциях:Научные публикации, проиндексированные в SCOPUS и WoS CC

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