Over the past decade, many generation III pressurized water reactor power plants have been under construction in China. Most reactor pressure vessel steels for these plants construction are homemade. Historically, Charpy V-notch specimens are predominantly used to monitor the toughness of RPV steels. However, fracture toughness provides the quantitative predictions of the critical crack size and the allowable stress in structural integrity assessment. This paper evaluates the fracture toughness properties of China manufactured RPV steels directly measured in transition temperature range by using master curve method. Some specimens were irradiated in the High Flux Engineering Test Reactor. The influences of loading rate, test temperature, specimen configuration and neutron irradiation on T0 were also investigated. The experimental results show that China manufactured RPV steels exhibit good fracture toughness properties.
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ASME 2018 Pressure Vessels and Piping Conference
July 15–20, 2018
Prague, Czech Republic
Conference Sponsors:
- Pressure Vessels and Piping Division
ISBN:
978-0-7918-5167-8
PROCEEDINGS PAPER
The Fracture Toughness Properties of China Manufactured Reactor Pressure Vessel Steels in Transition Temperature Range
Kai Sun,
Kai Sun
Nuclear Power Institute of China, Chengdu, China
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Xiaoyong Wu,
Xiaoyong Wu
Nuclear Power Institute of China, Chengdu, China
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Guoyun Li,
Guoyun Li
Nuclear Power Institute of China, Chengdu, China
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Bang Wen
Bang Wen
Nuclear Power Institute of China, Chengdu, China
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Kai Sun
Nuclear Power Institute of China, Chengdu, China
Xiaoyong Wu
Nuclear Power Institute of China, Chengdu, China
Guoyun Li
Nuclear Power Institute of China, Chengdu, China
Bang Wen
Nuclear Power Institute of China, Chengdu, China
Paper No:
PVP2018-84110, V06AT06A030; 6 pages
Published Online:
October 26, 2018
Citation
Sun, K, Wu, X, Li, G, & Wen, B. "The Fracture Toughness Properties of China Manufactured Reactor Pressure Vessel Steels in Transition Temperature Range." Proceedings of the ASME 2018 Pressure Vessels and Piping Conference. Volume 6A: Materials and Fabrication. Prague, Czech Republic. July 15–20, 2018. V06AT06A030. ASME. https://doi.org/10.1115/PVP2018-84110
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