Corrosion and electrochemical investigations for stainless steels in molten Solar Salt: The influence of chloride impurity

被引：18
|
作者：
Li, Heng [1 ,2 ]
Wang, Xiaowei [1 ,2 ]
Yin, Xuzhong [1 ,2 ]
Yang, Xinyu [3 ,4 ]
Tang, Jianqun [1 ,2 ]
Gong, Jianming [1 ,2 ]
机构：
[1] Nanjing Tech Univ, Sch Mech & Power Engn, Nanjing 211816, Peoples R China
[2] Jiangsu Key Lab Design & Manufacture Extreme Pres, Nanjing 211816, Peoples R China
[3] I Form Adv Mfg Res Ctr, Dublin, Ireland
[4] NUI Galway, Sch Engn, Coll Sci & Engn, Mech Engn, Galway, Ireland
来源：
JOURNAL OF ENERGY STORAGE | 2021年 / 39卷
基金：
中国国家自然科学基金; 国家重点研发计划;
关键词：
Corrosion behavior; Molten solar salt; Chloride impurity; Static immersion; EP test; Stainless steel; THERMAL-ENERGY STORAGE; HIGH-TEMPERATURE CORROSION; HEAT-TRANSFER FLUID; ALLOYS; OXIDATION; BEHAVIOR; SYSTEMS; MIXTURES; IRON;
D O I：
10.1016/j.est.2021.102675
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The influence of chloride impurity on corrosion behavior of stainless steels (304, 316 L and 347 SS) was carried out in molten Solar Salt at 565 degrees C. Static immersion and electrochemical polarization tests were carried out at 565 degrees C. It was found that the corrosion rates of the studied steels obtained from both static immersion and EP tests significantly increase in Solar Salt with the presence of chloride impurity. The chloride enhances the aggressiveness of the molten Solar Salt at 565 degrees C by producing oxidants, which aggravates the corrosion extent of the investigated steels. Moreover, the oxide scale formed in molten Solar Salt containing chloride impurity is prone to spall. The synergy effect of active oxidation and the spallation of the oxide scale dominates the accelerating corrosion process.
引用
收藏
页数：12
相关论文
共 50 条
  • [1] Effect of Chloride Impurity on Corrosion Kinetics of Stainless Steels in Molten Solar Salt for CSP Application: Experiments and Modeling
    Heng Li
    Xinyu Yang
    Xuzhong Yin
    Xiaowei Wang
    Jianqun Tang
    Jianming Gong
    Oxidation of Metals, 2021, 95 : 311 - 332
  • [2] Effect of Chloride Impurity on Corrosion Kinetics of Stainless Steels in Molten Solar Salt for CSP Application: Experiments and Modeling
    Li, Heng
    Yang, Xinyu
    Yin, Xuzhong
    Wang, Xiaowei
    Tang, Jianqun
    Gong, Jianming
    OXIDATION OF METALS, 2021, 95 (3-4): : 311 - 332
  • [3] Intergranular corrosion of stainless steels in molten carbonate salt
    Hwang, ER
    Kang, SG
    JOURNAL OF MATERIALS SCIENCE LETTERS, 1997, 16 (16) : 1387 - 1388
  • [4] Corrosion of iron stainless steels in molten nitrate salt
    Kruizenga, Alan
    Gill, David
    PROCEEDINGS OF THE SOLARPACES 2013 INTERNATIONAL CONFERENCE, 2014, 49 : 878 - 887
  • [5] Solar thermal irradiation cycles and their influence on the corrosion behaviour of stainless steels with molten salt used in concentrated solar power plants
    Liu, Qingyang
    Qian, Jiong
    Neville, Anne
    Pessu, Frederick
    SOLAR ENERGY MATERIALS AND SOLAR CELLS, 2023, 251
  • [6] Intergranular Corrosion Analysis of Austenitic Stainless Steels in Molten Nitrate Salt Using Electrochemical Characterization
    Kanjanaprayut, Noparat
    Siripongsakul, Thamrongsin
    Promdirek, Piyorose
    METALS, 2024, 14 (01)
  • [7] Corrosion behavior and mechanism of austenitic stainless steels in a new quaternary molten salt for concentrating solar power
    Wang, Weilong
    Guan, Bang
    Li, Xiaolong
    Lu, Jianfeng
    Ding, Jing
    SOLAR ENERGY MATERIALS AND SOLAR CELLS, 2019, 194 : 36 - 46
  • [8] Corrosion Behavior of Stainless Steel Alloys in Molten Solar Salt
    Gomes, A.
    Luis, T. Paiva
    Figueira, I.
    Diamantino, T. C.
    PROCEEDINGS OF THE 11TH ISES EUROSUN 2016 CONFERENCE, 2017, : 539 - 546
  • [9] Impurity driven corrosion behavior of HAYNES® 230® alloy in molten chloride Salt
    D'Souza, Brendan
    Zhuo, Weiqian
    Yang, Qiufeng
    Leong, Amanda
    Zhang, Jinsuo
    CORROSION SCIENCE, 2021, 187
  • [10] Impact of temperature on corrosion behavior of austenitic stainless steels in solar salt for CSP application: An electrochemical study
    Li, Heng
    Feng, Xiucheng
    Wang, Xiaowei
    Yang, Xinyu
    Tang, Jianqun
    Gong, Jianming
    SOLAR ENERGY MATERIALS AND SOLAR CELLS, 2022, 239
12345