Analysis of warm prestressing effect on fracture toughness of reactor pressure vessel steels |
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| Authors: | R Beleznai Sz Szávai |
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| Affiliation: | 1.Bay Zoltan Foundation for Applied Research,Institute for Logistics and Production Systems,Miskolc-Tapolca,Hungary |
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| Abstract: | We have performed finite element calculation of precracked Charpy-like three-point bending specimen, in order to analyze the
effect of warm prestressing on fracture toughness value of reactor pressure vessel steels. Two different hardening laws were
applied in the calculation. J-integral was determined in both cases and comparative analysis was made. |
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