Probabilistic analysis of mechanical properties of WWER-1000 reactor pressure vessel materials |
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| Authors: | I V Gorynin B T Timofeev A A Sorokin |
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| Affiliation: | (1) Central Research Institute for Structural Materials “Prometey” k]St. Petersburg, Russia |
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| Abstract: | The variance of strength and plastic characteristics of 15Kh2NMFA steel and its welds is assessed by the results of statistical
analysis of material mechanical properties for nineteen WWER-1000 reactor pressure vessels manufactured by Izhorskii and Atommash
factories. The values determined with a 95% probability are well within the limits specified by the applicable regulations.
The parameters which are needed for the statistical brittle-strength analysis of a reactor pressure vessel are presented with
the same veracity.
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Translated from Problemy Prochnosti, No. 2, pp. 15–28, March–April, 2006. |
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| Keywords: | probabilistic analysis WWER-1000 reactor fracture toughness weld |
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