Electrodeposition and characterization of Cu-Nb composite coatings

被引：8
|
作者：
Robin, Alain [1 ]
Rosa, Jorge Luiz [1 ]
Silva, Messias Borges [2 ]
机构：
[1] Univ Sao Paulo, Escola Engn Lorena, Dept Mat Engn, BR-12600000 Lorena, SP, Brazil
[2] Univ Sao Paulo, Escola Engn Lorena, Dept Engn Quim, BR-12600000 Lorena, SP, Brazil
来源：
SURFACE & COATINGS TECHNOLOGY | 2010年 / 205卷 / 07期
关键词：
Copper; Niobium; Electrocomposites; Design of experiments; Characterization; ALUMINA PARTICLES; INERT PARTICLES; COPPER; MATRIX; CORROSION; CODEPOSITION; INHIBITION; DEPOSITION; FILMS;
D O I：
10.1016/j.surfcoat.2010.08.124
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Copper coatings containing well-distributed Nb particles were obtained by co-electrodeposition in an acidic sulfate bath. Nb particle concentration in the bath was the most significant factor for the incorporation of Nb particles in copper, followed by stirring rate, whereas current density presented low significance. High Nb particle concentration and low stirring rate led to a higher incorporated Nb particle content. The microhardness of the composite layers was higher than that of pure copper deposits obtained under the same conditions due to copper matrix grain refinement and increased with the increase of both current density and incorporated Nb particle volume fraction. The corrosion resistance of Cu-Nb composites in 0.5 wt.% H(2)SO(4) solution at room temperature was higher than that of pure copper and increased with the increase of the Nb content. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：2152 / 2159
页数：8
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