处理电压对钛合金微弧氧化膜相结构的影响

处理电压对钛合金微弧氧化膜相结构的影响

龙北红^1,2，吴汉华^2,3，龙北玉³，汪剑波²，于文学^

1. 吉林大学材料科学与工程学院，长春130012； 2.吉林大学原子与分子物理研究所，长春 130012；3.吉林大学物理学院，长春130023

收稿日期:2004-07-08 修回日期:1900-01-01 出版日期:2005-03-26 发布日期:2005-03-26
通讯作者: 吴汉华

Effect of Treatment Voltage on Phase Component of MAO Coatings of Titanium Alloys

LONG Bei-hong^1,2, WU Han-hua^2,3, LONG Bei-yu³, WANG Jian-bo², YU Wen-xue¹

1. Department of Materials Science, College of Materials Science and Engineering, Jilin University,Changchun 130012, China; 2. Institute of Atomic & Molecular Physics, Jilin University, Changchun 130012, China;3. Department of Information and Computer Physics, College of Physics, Jilin University, Changchun 130023, China

Received:2004-07-08 Revised:1900-01-01 Online:2005-03-26 Published:2005-03-26
Contact: WU Han-hua

摘要/Abstract

摘要： 在Na₂CO₃Na₂SiO₃溶液中，采用正负不对称的专用交流高压电源制备了钛合金微弧氧化膜. 利用X射线衍射研究了处理参数(阴、阳极峰值电压，处理时间等)对微弧氧化膜相结构的影响. 实验结果表明，氧化膜主要由金红石和锐钛矿的TiO₂及少量不饱和氧化的Ti₆O₁₁(TiO_1.83)相组成，它们在氧化膜中各自所占的比例受处理时间和阴、阳极峰值电压的影响较大. 当阴、阳极峰值电压分别控制在45 V和320 V，处理时间为30 min时，氧化膜中金红石TiO₂的含量最高，达到80%.

关键词: 微弧氧化, 钛合金, 处理电压, 相结构

Abstract: Microarc oxidation (MAO) coatings on titanium alloy were prepared in an aqueous solution of Na₂CO₃ and Na₂SiO₃ at a high voltage with special asymmetrical AC output, and the effects of treatment parameters such as cathodic and anodic peek voltages as well as treatment time etc. on the phase component of the coatings were studied by means of XRD. The experimental results show that the films consist of dominant rutile as well as a little anatase phase and Ti₆O₁₁ (TiO_1.83) phase, and their contents are closely relative to treatment time and the peak values of anodic and cathodic voltages. When the anodic and cathodic voltages were kept at 320 V and 45 V for 30 min, respectively, the rutile content of the film is the highest and its content exceeds 80%.

Key words: microarc oxidation, titanium alloy, treatment voltage, phase component

中图分类号:

TG174.53

龙北红，吴汉华，龙北玉，汪剑波，于文学. 处理电压对钛合金微弧氧化膜相结构的影响[J]. J4, 2005, 43(02): 190-193.

LONG Bei-hong, WU Han-hua, LONG Bei-yu, WANG Jian-bo, YU Wen-xue. Effect of Treatment Voltage on Phase Component of MAO Coatings of Titanium Alloys[J]. J4, 2005, 43(02): 190-193.

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