A Natural Transition Between Equilibrium Patterns of Dislocation Dipoles

The equilibrium configurations of a row of uniformly distributed dislocation dipoles are first studied. The analysis is then generalised to study dipoles in two-dimensional rectangular periodic lattices. By examining the stability of the equilibrium configurations we find that the system may undergo...

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Номзүйн дэлгэрэнгүй
Үндсэн зохиолчид: Zhu, Y, Chapman, S
Формат: Journal article
Хэл сонгох:English
Хэвлэсэн: 2014
Тодорхойлолт
Тойм:The equilibrium configurations of a row of uniformly distributed dislocation dipoles are first studied. The analysis is then generalised to study dipoles in two-dimensional rectangular periodic lattices. By examining the stability of the equilibrium configurations we find that the system may undergo a natural transition from the Taylor lattice to a row of dipole walls. This bifurcation may be involved in the transition from channel-vein to persistent slip band (PSB) structures in the early stage of metal fatigue. © 2014 Springer Science+Business Media Dordrecht.