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New Types of Superdislocations in Ordered L1 0 Structure
Author(s) -
Gbeenberg B. A.
Publication year - 1973
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2220550105
Subject(s) - burgers vector , condensed matter physics , materials science , dislocation , dissociation (chemistry) , type (biology) , crystallography , physics , chemistry , geology , paleontology
A new type of glissile superdislocations in an ordered L1 0 structure is proposed. Such superdislocations can arise from known glissile superdislocations with a (2 a/2) 〈110〉 Burgers vector either as a result of their dissociation, or as a result of their interaction with ordinary dislocations. Sessile dislocation configurations are discussed which arise as a result of definite transformations from superdislocations and are barriers hindering the movement of dislocations. Studies were made of specific configurations of dislocation dipoles and nodes in a given alloy, as well as some peculiarities of interaction of superdislocations with domain boundaries.