ELECTROCHEMICAL OXIDATION OF VT6 TITANIUM ALLOY IN OXALIC ACID SOLUTIONS

被引：3
作者：
Pilipenko, Alexei [1 ]
Maizelis, Antonina [1 ]
Pancheva, Hanna [1 ]
Zhelavska, Yulia [1 ]
机构：
[1] Natl Tech Univ, Kharkiv Polytech Inst, 2 Kyrpychova St, UA-61002 Kharkiv, Ukraine
来源：
CHEMISTRY & CHEMICAL TECHNOLOGY | 2020年 / 14卷 / 02期
关键词：
oxidation; titanium; cell voltage-time dependence; oxide film; SURFACE MODIFICATION; ANODIC-OXIDATION; GROWTH; PASSIVITY;
D O I：
10.23939/chcht14.02.221
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The influence of the electrolysis parameters on the process of VT6 titanium alloy oxidizing in oxalic acid solutions is presented. It is shown that the nature of cell voltage-time curves for the alloy samples depends on the current density used. The interference-colored oxide films are formed on the surface of the alloy at the anodic current density above 0.5 A.dm(-2). The maximal thickness and the oxide film color are determined by the cell voltage and do not depend on other electrolysis parameters. The results of oxidation in oxalic and sulfuric acids solutions made it possible to establish the similarity of cell voltage-time dependencies and the time of oxide film formation with maximal thickness for these electrolysis conditions.
引用
收藏
页码：221 / 226
页数：6
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