郭宝全,吕凯,付俊凇,张雅萍,董莲.固溶处理对β钛合金微弧氧化膜生长过程的影响[J].表面技术,2018,47(10):289-294.
GUO Bao-quan,LYU Kai,FU Jun-song,ZHANG Ya-ping,DONG Lian.Effect of Solution Heat Treatment on Process of Growth of Coating Formed on Beta Titanium Alloy by Micro-arc Oxidation[J].Surface Technology,2018,47(10):289-294 |
| 固溶处理对β钛合金微弧氧化膜生长过程的影响 |
| Effect of Solution Heat Treatment on Process of Growth of Coating Formed on Beta Titanium Alloy by Micro-arc Oxidation |
| 投稿时间：2018-03-21 修订日期：2018-10-20 |
| DOI：10.16490/j.cnki.issn.1001-3660.2018.10.039 |
| 中文关键词: 微弧氧化 固溶处理 β钛合金 氧化膜形貌 |
| 英文关键词:micro-arc oxidation solution heat treatment beta titanium alloy morphology of oxidation coating |
| 基金项目:内蒙古自然科学基金项目（2014MS0543） |
|
|
| Author | Institution |
| GUO Bao-quan | 1. School of Materials Science and Engineering, Inner Mongolia University of Technology, Hohhot 010051, China |
| LYU Kai | 1. School of Materials Science and Engineering, Inner Mongolia University of Technology, Hohhot 010051, China |
| FU Jun-song | 1. School of Materials Science and Engineering, Inner Mongolia University of Technology, Hohhot 010051, China |
| ZHANG Ya-ping | 2. Inner Mongolia Vocational College of Chemical Engineering, Hohhot 010070, China |
| DONG Lian | 1. School of Materials Science and Engineering, Inner Mongolia University of Technology, Hohhot 010051, China |
|
| 摘要点击次数: |
| 全文下载次数: |
| 中文摘要: |
| 目的 在不同固溶热处理工艺的β钛合金上制备微弧氧化膜，研究其在微弧氧化初期的生长特性。方法 对比铸态、750 ℃固溶、850 ℃固溶β钛合金表面微弧氧化初期（0~120 s）氧化膜的厚度、表面形貌、相组成及电化学腐蚀性能变化，研究热处理与膜层特性之间的关系，并分析热处理对氧化膜表面裂纹的产生及膜层生长的影响规律。结果 固溶处理改变了基体合金的相组成，元素分布随之改变，热处理后试样表面更容易起弧。较未热处理试样，氧化时间为120 s时，固溶处理后所获膜层的厚度更薄且致密。微弧氧化膜微观形貌显示，经750 ℃固溶热处理后的试样，在微弧氧化后，其膜层表面裂纹最少。极化曲线显示，750 ℃热处理试样氧化膜的耐蚀性优于850 ℃热处理试样。结论 经过750 ℃固溶处理后的合金试样，由于其元素分布均匀，使得微弧氧化初期放电均匀，更易获得致密的微弧氧化膜，膜层的综合性能较好。 |
| 英文摘要: |
| The work aims to prepare the micro arc oxidation coating on the beta titanium alloy with different solution heat treatment processes, and to study its growth characteristics at the early stage of micro arc oxidation process. The thickness, surface morphology, phase composition and electrochemical corrosion properties of coating on beta titanium alloy by solution heat treatment at the early stage (0~120 s) of micro arc oxidation process at as-cast condition, 750 ℃ and 850 ℃ were compared. The relationship between solution heat treatment and properties of coating was studied and the effect rules of heat treatment on crack generation and growth of coating were analyzed. The phase composition and element distribution of alloy were changed by solution heat treatment. The surface of specimen after heat treatment was easy to strike arc. Compared with the specimen without heat treatment, the oxidation time was 120 s. The thinner and denser coating was obtained after the heat treatment. The morphology of micro arc oxidation coating showed that the specimen after heat treatment at 750 ℃ had the fewest crack on the surface after the micro arc oxidation. From the polarization curve, the corrosion resistance of specimen after heat treatment at 750 ℃ was higher than that at 850 ℃. The alloy specimen after solid solution treatment at 750 ℃ has uniform arc discharge in the early stage of micro arc oxidation process due to even distribution of element and is easy to obtain the dense micro arc oxidation coating with better comprehensive properties. |
| 查看全文 查看/发表评论 下载PDF阅读器 |
| 关闭 |
|
|
|
渝公网安备 50010702501715号