The results of a computational study of helium–vacancy clusters in tungsten are reported. A
recently developed atomistic kinetic Monte Carlo method employing empirical interatomic …

There is strong evidence that grain boundaries act as recombination sites for interstitials and
vacancies in a polycrystalline material. The prevailing theory is that grain boundaries act to …

This report summarizes work during FY 2014 to develop capabilities to predict embrittlement
of reactor pressure vessel steel, and to assess the response of embrittled reactor pressure …