Ni, Cr, and Fe surfaces corroded by molten ZnCl2

被引：11

作者：

Wang, Xueliang ^{[1
,2
]}

Yin, Huiqin ^{[1
,3
,6
]}

Liu, Wenguan ^{[4
]}

Yu, Guojun ^{[1
]}

He, Jian ^{[5
]}

Tang, Zhongfeng ^{[1
,2
,3
,6
]}

Yan, Long ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

[3] Chinese Acad Sci, Key Lab Interfacial Phys & Technol, Shanghai 201800, Peoples R China

[4] Sun Yat Sen Univ, Sino French Inst Nucl Engn & Technol, Zhuhai 519082, Peoples R China

[5] Fudan Univ, Dept Environm Sci & Engn, Shanghai 200433, Peoples R China

[6] Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China

来源：

MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION | 2020年 / 71卷 / 06期

基金：

国家重点研发计划; 中国国家自然科学基金;

关键词：

coating; corrosion; metal; molten ZnCl2; ZnO; CHLOROBUTYL RUBBER; CORROSION; CHLORIDE; TEMPERATURE; WASTE; VULCANIZATION; BEHAVIOR; ALLOYS; SALTS; ZNO;

D O I：

10.1002/maco.201911346

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Understanding the corrosion of molten ZnCl2 on metal surfaces is significant for the corrosion protection of metals, sustainable use of molten salts, preparation of ZnO coatings, and so on. In this paper, surfaces of pure Ni, Cr, and Fe corroded by molten ZnCl2 were investigated. The results show that Ni suffered very slight corrosion, while Cr experienced more serious corrosion than Ni, but lighter corrosion than Fe. The morphology of the corrosion of Cr and Fe, respectively, presented pitting and intergranular corrosion characteristics. Furthermore, nanostructured ZnO coatings were obtained on the surfaces of Ni and Fe, but not on the surface of Cr. The ZnO coating on the Ni surface was doped with a small amount of Zn-5(OH)(8)Cl-2, and the ZnO coating on the Fe surface was doped with ZnFe2O4 and Zn2OCl2. The coatings on the Ni and Fe surfaces had an average thickness of 1.5 and 50 mu m, respectively.

引用

页码：931 / 937

页数：7

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