One key issue during development of Super Critical Water Cooled Reactor (SCWR) is selection of water chemistry operating and control methods for core coolant. Under strong corrosive effect of supercritical water (SCW), the stress corrosion cracking (SCC) sensitivity of materials increases. Most of materials reliably used in PWR or BWR may not be competent for SCWR. Modified austenitic steel and nickel base alloy are hopeful due to low general corrosion rate but failures happen caused by SCC when meet incompatible chemistry environment. The possible options of water chemistry specifications for SCWR should be qualified carefully on SCC effect. This paper introduces research status of SCW chemistry by Nuclear Power Institute of China (NPIC). The SCC behaviors in oxidation and reduction SCW are under study and the testing data will be collected to screen out water chemistry operating strategy for million kilowatts SCWR (CSR1000) under development in China.
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2013 21st International Conference on Nuclear Engineering
July 29–August 2, 2013
Chengdu, China
Conference Sponsors:
- Nuclear Engineering Division
ISBN:
978-0-7918-5578-2
PROCEEDINGS PAPER
Ongoing Research of Water Chemistry Effect on SCC Properties of Candidate Materials for SCWR
Bin Gong,
Bin Gong
Nuclear Power Institute of China, Chengdu, Sichuan, China
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Yan-ping Huang,
Yan-ping Huang
Nuclear Power Institute of China, Chengdu, Sichuan, China
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E Jang,
E Jang
Nuclear Power Institute of China, Chengdu, Sichuan, China
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Jin-Hua Liu,
Jin-Hua Liu
Nuclear Power Institute of China, Chengdu, Sichuan, China
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Xiao-jiao Xia,
Xiao-jiao Xia
Nuclear Power Institute of China, Chengdu, Sichuan, China
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Yong-Fu Zhao
Yong-Fu Zhao
Nuclear Power Institute of China, Chengdu, Sichuan, China
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Bin Gong
Nuclear Power Institute of China, Chengdu, Sichuan, China
Yan-ping Huang
Nuclear Power Institute of China, Chengdu, Sichuan, China
E Jang
Nuclear Power Institute of China, Chengdu, Sichuan, China
Jin-Hua Liu
Nuclear Power Institute of China, Chengdu, Sichuan, China
Xiao-jiao Xia
Nuclear Power Institute of China, Chengdu, Sichuan, China
Yong-Fu Zhao
Nuclear Power Institute of China, Chengdu, Sichuan, China
Paper No:
ICONE21-15876, V001T02A029; 6 pages
Published Online:
February 7, 2014
Citation
Gong, B, Huang, Y, Jang, E, Liu, J, Xia, X, & Zhao, Y. "Ongoing Research of Water Chemistry Effect on SCC Properties of Candidate Materials for SCWR." Proceedings of the 2013 21st International Conference on Nuclear Engineering. Volume 1: Plant Operations, Maintenance, Engineering, Modifications, Life Cycle and Balance of Plant; Nuclear Fuel and Materials; Radiation Protection and Nuclear Technology Applications. Chengdu, China. July 29–August 2, 2013. V001T02A029. ASME. https://doi.org/10.1115/ICONE21-15876
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