M. E. Kozhevnikova, “Refinement of the plastic-zone boundary in the vicinity of a crack tip for the quasiviscous and viscous types of fracture”, Prikl. Mekh. Tekh. Fiz., 2005, Volume 46, Issue 1,Pages <nobr>126

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Refinement of the plastic-zone boundary in the vicinity of a crack tip for the quasiviscous and viscous types of fracture

M. E. Kozhevnikova

Lavrent’ev Institute of Hydrodynamics, Siberian Division, Russian Academy of Sciences, 630090, Novosibirsk

Abstract: A refined solution of the elastoplastic problem of an insulated mode I crack in a thin plate of reasonably large dimensions is obtained. Estimates of the plastic zone in the vicinity of the crack tip are given for quasiviscous and viscous types of fracture.

Keywords: crack, plastic zone, quasibrittle, quasiviscous fracture, viscous fracture.

UDC: 539.375

Received: 02.06.2003
Accepted: 27.05.2004