Preparation and oxidation protection of β-CuSCN coatings for fine copper powder

被引：12

作者：

Guo, Yanhui ^{[1
,2
]}

Yu, Xuebin ^{[1
]}

Chen, Jizhong ^{[2
]}

机构：

[1] Fudan Univ, Dept Mat Sci, Shanghai 200433, Peoples R China

[2] Zhejiang Univ, Coll Mat Sci & Chem Engn, Hangzhou 310027, Zhejiang, Peoples R China

来源：

CORROSION SCIENCE | 2009年 / 51卷 / 08期

关键词：

beta-CuSCN; Copper powder; Oxidation; CUPROUS THIOCYANATE; PHOTOELECTROCHEMICAL PROPERTIES; CORROSION; FILMS; PHOTOCURRENT; CELL; BENZOTRIAZOLE; PHOTOCATHODE; ENHANCEMENT; INHIBITION;

D O I：

10.1016/j.corsci.2009.05.021

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

beta-CuSCN coatings were prepared on copper particles in an aqueous solution of KSCN by chemical-deposition method. Thermal gravimetric analysts showed that the oxidation resistance of copper powder was improved significantly by this treatment. The treated copper powder is able to be stable below 360 degrees C in air. SEM and TEM characters indicated that the treated copper particles have core-shell structure. The shell is mainly composed of beta-CuSCN and Cu2O whose ratio reduced with increasing the concentration of potassium rhodanate. Further studies demonstrated that the protection of copper against oxidation is due to the presence of beta-CuSCN in the coating shell. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：1573 / 1577

页数：5