Molecular Dynamics Simulation of Crack Propagation for Leak Before Break(LBB)
Leak before break(LBB) is an important analysis method for insuring the structure safety and reliability of nuclear reactor.Now LBB technology is widely used in nuclear power plant design.It has a good development in foreign countries, but domestic research is relatively little.The study of crack propagation is core of LBB analysis.In this paper the Molecular dynamics simulations of crack propagation for material of pipes in China Experimental Fast Reactor(CEFR) were studied.The temperature on the flaw in the top of the model has a significant effect, and the position of the flaw would affect the damage form and the damage position of material analyzing the deformation of models.For the same model, temperature has a significant effect on crack propagation process.The analysis of this paper has a guiding role for the LBB analysis of pipes from microcosmic angle.
Leak before break Molecular dynamics Austenitic stainless steel Crack propagation
Hua Jin Yu Jia Liu Yue Ying Wang
Fast Reactor Research Center,China Institute of Atomic Energy,Beijing 102413,China
国际会议
上海
英文
2189-2192
2012-10-19（万方平台首次上网日期，不代表论文的发表时间）