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Irradiation-induced precipitation modelling of ferritic steels

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journal contribution
posted on 07.05.2009 by Youfa Yin, Roy G. Faulkner, Zheng Lu
In high strength low alloy (HSLA) steels typically used in reactor pressure vessels (RPV), irradiation-induced microstructure changes affect the performance of the components. One such change is precipitation hardening due to the formation of solute clusters and/or precipitates which form as a result of irradiation-enhanced solute diffusion and thermodynamic stability changes. The other is irradiation-enhanced tempering which is a result of carbide coarsening due to irradiation-enhanced carbon diffusion. Both effects have been studied using a recently developed Monte Carlo based precipitation kinetics simulation technique and modelling results are compared with experimental measurements. Good agreements have been achieved.

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School

  • Aeronautical, Automotive, Chemical and Materials Engineering

Department

  • Materials

Citation

YIN, Y., FAULKNER, R.G. and LU, Z., 2009. Irradiation-induced precipitation modelling of ferritic steels. Journal of Nuclear Materials, 389 (2), pp. 225-232

Publisher

© Elsevier B.V

Version

AM (Accepted Manuscript)

Publication date

2009

Notes

This is an article from the serial Journal of Nuclear Materials[© Elsevier]. The definitive version is available at: http://www.elsevier.com/wps/find/journaldescription.cws_home/505671/description#description

ISSN

0022-3115

Language

en

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