Passivation/Oxidation Behavior and Corrosion Products Release of Heat Transfer Tubes in Steam Generators by Zinc Injection in the Primary Water of PWR:a Review
WEI Xiaotian1,2, MENG Fanjiang2, BAO Yichen2, LIU Xiaoqiang2, ZHENG Mingguang2, OUYANG Xiaoping1,*
1 School of Nuclear Science and Engineering, North China Electric Power University, Beijing 102206, China; 2 Shanghai Nuclear Engineering Research & Design Institute Co., Ltd., Shanghai 200233, China
Abstract: To further enhance the safety and reliability of pressurized water reactor(PWR) nuclear powerplants during commissioning and operational phases, it is imperative to comprehensively account for material aging in critical structural components across operational cycles while implementing necessary mitigation measures. This paper systematically investigates the compatibility between zinc-injection water chemistry(ZWC) implementation and steam generator tubes through a multi-parametric analysis, focusing on the interaction mechanisms of zinc injection with passivation/oxidation behaviors, corrosion product release-transport-deposition dynamics, and stress corrosion cracking(SCC) susceptibility. Key factors are examined through four critical dimensions:zinc injection dosage optimization, timing sequence determination, passivation/oxide film characterization, and corrosion control methodologies. Furthermore, the study proposes forward-looking improvements for zinc injection strategies, including predictive modeling integrating electrochemical kinetics, computational fluid dynamics simulations of particulate transport, and machine learning-enhanced dose-response relationships. These proposed advancements aim to establish a scientific foundation for next-generation adaptive water chemistry management systems in advanced PWR designs.
魏啸天, 孟凡江, 鲍一晨, 刘晓强, 郑明光, 欧阳晓平. 一回路注锌对蒸汽发生器传热管钝化/氧化行为和腐蚀产物释放影响的研究与展望[J]. 材料导报, 2026, 40(6): 25020036-7.
WEI Xiaotian, MENG Fanjiang, BAO Yichen, LIU Xiaoqiang, ZHENG Mingguang, OUYANG Xiaoping. Passivation/Oxidation Behavior and Corrosion Products Release of Heat Transfer Tubes in Steam Generators by Zinc Injection in the Primary Water of PWR:a Review. Materials Reports, 2026, 40(6): 25020036-7.
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2026, Vol. 40 
