Thermodynamics of corrosion products in molten nitrate salts

被引：5
|
作者：
Wang, Yafei [1 ]
Wu, Hao [1 ]
Zhou, Wentao [1 ]
Guo, Shaoqiang [2 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Nucl Sci & Engn, Shanghai 200240, Peoples R China
[2] Xi An Jiao Tong Univ, Sch Nucl Sci & Technol, Shaanxi Key Lab Adv Nucl Energy & Technol, Xian 710049, Shaanxi, Peoples R China
来源：
JOURNAL OF NUCLEAR MATERIALS | 2023年 / 587卷
关键词：
Thermodynamics; Molten salt corrosion; Nitrate salt; Redox potential; E-pO2-diagram; EUTECTIC SALT; STEEL; STAINLESS;
D O I：
10.1016/j.jnucmat.2023.154713
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Structural material corrosion is one of the major concerns regarding the implementations of molten salt technologies and thermodynamic calculation is crucial to understand the corrosion mechanism occurring in molten salts. The present study unlocked the limits of thermodynamic calculations in molten nitrate salt systems by using a new reference state. Based on which, the Ellingham and E-pO2- diagrams for the corrosion products including Cr, Fe, Mn, and Ni were developed, unveiling the stability domains of these metals and the various overall equilibria which may participate in the corrosion and passivation process in molten nitrate salts.
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页数：5
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