Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/11164
Title: Modeling dislocation structure development and creep-swelling coupling in neutron irradiated stainless steel
Authors: Semenov, AA
Woo, CH
Issue Date: 2009
Publisher: North-Holland
Source: Journal of nuclear materials, 2009, v. 393, no. 3, p. 409-417 How to cite?
Journal: Journal of nuclear materials 
Abstract: Anisotropic nucleation and growth of multi-classes of dislocation loops under the combined actions of fast-neutrons and an external applied stress are considered in modeling dislocation structure development in metals and alloys. The stochastic nature of the nucleation kinetics is formulated via the Fokker-Planck equation. The strain derived from the climb of the anisotropic dislocation structure is separable into volumetric and deviatoric components, corresponding respectively to swelling and creep. The creep contribution resulting from the development of the stress-induced dislocation anisotropy is found to be very significant and exhibits a strong correlation with swelling. For stainless steel, our model explains very well the complex deformation behavior observed in a wide variety of in-reactor experiments.
URI: http://hdl.handle.net/10397/11164
ISSN: 0022-3115
EISSN: 1873-4820
DOI: 10.1016/j.jnucmat.2009.06.021
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