Nuclear Safety Review on Exceeding Allowable Flaw Treatment of Reactor Pressure Vessel

ZHANG Lin; CHU Qibao; FANG Yonggang

Volume 35 Issue 2

Feb. 2025

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ZHANG Lin, CHU Qibao, FANG Yonggang. Nuclear Safety Review on Exceeding Allowable Flaw Treatment of Reactor Pressure Vessel[J]. Nuclear Power Engineering, 2014, 35(2): 84-85,97.

Citation:

ZHANG Lin, CHU Qibao, FANG Yonggang. Nuclear Safety Review on Exceeding Allowable Flaw Treatment of Reactor Pressure Vessel[J]. Nuclear Power Engineering, 2014, 35(2): 84-85,97.

ZHANG Lin, CHU Qibao, FANG Yonggang. Nuclear Safety Review on Exceeding Allowable Flaw Treatment of Reactor Pressure Vessel[J]. Nuclear Power Engineering, 2014, 35(2): 84-85,97.

Citation:

ZHANG Lin, CHU Qibao, FANG Yonggang. Nuclear Safety Review on Exceeding Allowable Flaw Treatment of Reactor Pressure Vessel[J]. Nuclear Power Engineering, 2014, 35(2): 84-85,97.

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Nuclear Safety Review on Exceeding Allowable Flaw Treatment of Reactor Pressure Vessel

1. Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, 100084, China;
2. Ministry of Environmental Protection, Beijing, 100035, China;
3. Nuclear and Radiation Safety Center, Ministry of Environmental Protection, Beijing, 100082, China

Received Date: 2013-01-30
Rev Recd Date: 2013-11-14

Available Online: 2025-02-15

Abstract

Abstract

Based on the nuclear safety review on the defect beyond tolerance of Unit 2 reactor pressure vessel of Tianwan NPP and Unit 4 reactor pressure vessel of Qinshan Phase II NPP, to the standards for the safety evaluation of the fracture mechanics of RPV defects beyond tolerance, the defect characterization, the fracture toughness, the selection of residual stress and the thermal shock under load are discussed, in order to be useful for the follow-up of the nuclear safety review.
- Reactor pressure vessel,
- Defect beyond tolerance,
- Nuclear safety review

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