METHOD FOR DETERMINING CHANGES short-term mechanical properties of fuel cladding ferritic-martensitic steels

摘要

method u043eu043fu0440u0435u0434u0435u043bu0435u043du0438u00a0 changes of short-term mechanical properties of fuel elements of u0444u0435u0440u0440u0438u0442u043du043e - u043cu0430u0440u0442u0435u043du0441u0438u0442u043du043eu0439 became u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0, u043eu0441u0443u0449u0435u0441u0442u0432u043bu00a0u044eu0442 is quantized the u0442u0432u044du043bu0430 dimension u044du043bu0435u043au0442u0440u043eu0441u043eu043fu0440u043eu0442u0438u0432u043bu0435u043du0438u00a0 material the shell, then the results of measurements are relative u0438u0437u043cu0435u043du0435u043du0438u00a0 limits turnover ratio and strength of material;where is the relative change in the u043fu0440u043eu0447u043du043eu0441u0442u043du043eu0439 characteristics;;Ri is the current value of u044du043bu0435u043au0442u0440u043eu0441u043eu043fu0440u043eu0442u0438u0432u043bu0435u043du0438u00a0;;ro is the importance of u044du043bu0435u043au0442u0440u043eu0441u043eu043fu0440u043eu0442u0438u0432u043bu0435u043du0438u00a0 source area.;and the experimental constants: 1.8 u0434u043bu00a0 yield stress; 2.6 - u0434u043bu00a0 term strength.