期刊
NUCLEAR ENGINEERING AND DESIGN
卷 238, 期 1, 页码 1-7出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.nucengdes.2007.06.009
关键词
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Stress corrosion cracking (SCC) simulation code has been developed for the evaluation of SCC behavior in specimens in the shape of field components. The code utilizes numerical calculation of stress/strain states at a crack tip using finite element methods and a formula describing the crack tip reaction kinetics containing unknown environmental parameters. The applicability of this simulation code was investigated by applying the code to the evaluation of SCC behavior in a mock-up of a bottom mounted instrumentation tube for a pressurized water reactor subjected to complex stress/strain states. The results indicate that crack growth rate in a component suffering from certain environments can be estimated using the developed SCC simulation code with pre-determined unknown parameters, using the experimental crack growth rate data measured on other specimens in the same environment. (C) 2007 Elsevier B.V. All rights reserved.
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