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Prediction of Fracture Resistance Curves for Nuclear Piping Materials(III)
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 Title & Authors
Prediction of Fracture Resistance Curves for Nuclear Piping Materials(III)
Chang, Yoon-Suk; Seok, Chang-Sung; Kim, Young-Jin;
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 Abstract
In order to perform leak-before-break design of nuclear piping systems and integrity evaluation of reactor vessels, full stress-strain curves and fracture resistance(J-R) curves are required. However it is time-consuming and expensive to obtain J-R curves experimentally. To resolve these problems, three different methods for predicting J-R curves from tensile data were proposed by the authors previously. The objective of this paper is to develop a computer program based on those J-R curve prediction methods. The program consists of two major parts ; the main program part for the J-R curve prediction and the database part. Several case studies were performed to verify the program, and it was shown that the predicted results were, in general, in good agreement with the experimental ones.
 Keywords
J-R Curve Prediction(JRCP);Fracture Strain;Finite Element Method;
 Language
Korean
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