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<p>The article presents estimates of long-term static strength for high-temperature equipment of a&#xa0;commercial reactor plant with a&#xa0;BN-1200M fast reactor at the design service life increased from 60&#xa0;to 80&#xa0;years enhancing its economy. The features of loading the equipment of sodium reactor plants and the history of extending the service life of the existing BN-600 reactor are described. Sufficient margins for operating stresses relative to allowable values for most equipment of commercial sodium-cooled fast reactor plants are demonstrated.</p>

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Background for substantiating the 80-year service life of a commercial sodium-cooled fast reactor plant

  • 期刊论文

  • 发表日期：

    2025年5月1日

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  • O. Yu. Vilensky,
  • B. A. Vasilyev,
  • S. F. Shepelev

摘要

The article presents estimates of long-term static strength for high-temperature equipment of a commercial reactor plant with a BN-1200M fast reactor at the design service life increased from 60 to 80 years enhancing its economy. The features of loading the equipment of sodium reactor plants and the history of extending the service life of the existing BN-600 reactor are described. Sufficient margins for operating stresses relative to allowable values for most equipment of commercial sodium-cooled fast reactor plants are demonstrated.