Modelling electrical corrosion potential of 304 stainless steel under fusion power plant environment

被引:0
作者
Zhong Fang
Jia Tang
Jiaxin Xiao
Lili Tong
Xuewu Cao
Hanqin Weng
Mingzhang Lin
机构
[1] University of Science and Technology of China,School of Physical Sciences
[2] Shanghai Jiao Tong University,School of Mechanical Engineering
[3] Chinese Academy of Sciences,Institute of Nuclear Energy Safety Technology
来源
Journal of Radioanalytical and Nuclear Chemistry | 2019年 / 319卷
关键词
Electrical corrosion potential; Fusion power plant; 304 Stainless steel; IGSCC;
D O I
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中图分类号
学科分类号
摘要
Predicting the electrical corrosion potential (ECP) of type 304 stainless steel, the structural material of recirculation pipes in fusion power plants, is important because the growth rate of intergranular stress corrosion crack (IGSCC) of 304 stainless steel is closely related to ECP. In this work, a new model has been developed, by modifying existing models, to calculate the ECP of recirculation pipes in future fusion power plant. The calculation results indicate that merely injecting hydrogen cannot reduce ECP below EIGSCC if the dose rate exceeds a threshold, other assisted water chemistry controlling method is necessary.
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页码:303 / 314
页数:11
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