Thermal resistance of steels with increased strength properties for pressure vessels of advanced VVER reactors of various designs
Evgenia A. Kuleshova,
Ivan V. Fedotov,
Dmitry A. Maltsev
et al.
Abstract:The paper considers the results of structural studies and mechanical tests after a long-term thermal exposure of laboratory heats of the metallurgically improved 15Kh2NMFA steel and steel with an increased content of nickel considered as materials for the pressure vessels of advanced VVER-type reactors of various designs. It has been shown that, both for the improved 15Kh2NMFA steel and the high-nickel steel, there are no signs of grain boundary embrittlement after an segregation provoking embrittlement heat t… Show more
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