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Volume 32 Issue 6
Mar.  2025
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ZHANG Sheng, ZHANG Tao, CHEN Shi-jun, CHEN Yu, JIANG Hong, HUANG Li-jun, LI Ji. Cause Analysis for Accelerated Aging of Condenser Rubber Expansion Joint in NPPs[J]. Nuclear Power Engineering, 2011, 32(6): 105-109.
Citation: ZHANG Sheng, ZHANG Tao, CHEN Shi-jun, CHEN Yu, JIANG Hong, HUANG Li-jun, LI Ji. Cause Analysis for Accelerated Aging of Condenser Rubber Expansion Joint in NPPs[J]. Nuclear Power Engineering, 2011, 32(6): 105-109.

Cause Analysis for Accelerated Aging of Condenser Rubber Expansion Joint in NPPs

  • Received Date: 2010-07-26
  • Rev Recd Date: 2011-03-28
  • Available Online: 2025-03-08
  • This paper analyzes the root cause for the accelerated aging of condenser rubber expansion joint according to the actual condition in Daya Bay Nuclear Power Plant and the experience feedback from overseas nuclear power plants.Life assessment is taken for rubber expansion joints and some specific management strategies and suggestions are recommended.The result shows that the aging mechanism of the rubber expansion joints include the embrittlement aging,fatigue aging,contacted media aging,stress fatigue and thermal aging caused by mechanics and environment.Embrittlement aging is the main aging mechanism.

     

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