The multiscale modeling of the neutron irradiation embrittlement of reactor pressure vessel (RPV) steels is described. In this approach, information from experiments and computer simulations that cover very wide ranges of time and length scales is accumulated, correlated and integrated to develop a model for the prediction of embrittlement. Some examples from experiments and simulations are presented to show how they provide information to understand the fundamental mechanism of embrittlement, and then we describe how all the information is integrated into a mathematical form. A practical output of this approach is the development of a new embrittlement correlation method for Japanese RPV steels.
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Soneda, N. (2008). Multiscale Modeling of RPV Embrittlement. In: Ghetta, V., Gorse, D., Mazière, D., Pontikis, V. (eds) Materials Issues for Generation IV Systems. NATO Science for Peace and Security Series B: Physics and Biophysics. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-8422-5_12
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