| 2219铝合金搅拌摩擦焊接头微观组织对微弧氧化膜生长的影响 |
| |
| 引用本文： | 薛文斌,鲁亮,杜建成,华铭,赵衍华.2219铝合金搅拌摩擦焊接头微观组织对微弧氧化膜生长的影响[J].无机材料学报,2011,26(9):897-901. |
| |
| 作者姓名： | 薛文斌 鲁亮 杜建成 华铭 赵衍华 |
| |
| 作者单位： | (1. 北京师范大学 核科学与技术学院 射线束技术与材料改性教育部重点实验室, 北京100875; 2. 北京市辐射中心, 北京100875; 3. 首都航天机械公司, 北京100076) |
| |
| 基金项目： | 国家自然科学基金(51071031); 北京市自然科学基金(2102018)~~ |
| |
| 摘 要： | 采用微弧氧化方法在硅酸盐电解液里在2219铝合金搅拌摩擦焊接头表面均匀生长一层50 μm陶瓷膜, 分析了铝合金基体和焊缝区陶瓷膜的形貌、相组成和显微硬度分布, 探讨了合金显微组织和微弧氧化膜生长过程的相互影响. 结果表明, 铝合金显微组织对微弧氧化膜的生长影响较小, 铝合金基体和焊缝区的微弧氧化膜特性几乎相同, 陶瓷膜都是由α-Al2O3、γ-Al2O3和莫来石(3Al2O3·2SiO2)相组成; 不同区域膜层的显微硬度相等, 其平均硬度约为HV 1500. 另外, 微弧放电高温过程对膜/基界面附近的铝合金显微组织没有影响.
|
| 关 键 词： | 搅拌摩擦焊 微弧氧化 显微组织 2219铝合金 |
| 收稿时间： | 2010-11-12 |
| 修稿时间： | 2011-02-24 |
Influence of Microstructure of Friction Stir Welding Joint on Growth of Microarc Oxidation Coating on 2219 Aluminum Alloy |
| |
| XUE Wen-Bin,LU Liang,DU Jian-Cheng,HUA Ming,ZHAO Yan-Hua.Influence of Microstructure of Friction Stir Welding Joint on Growth of Microarc Oxidation Coating on 2219 Aluminum Alloy[J].Journal of Inorganic Materials,2011,26(9):897-901. |
| |
| Authors: | XUE Wen-Bin LU Liang DU Jian-Cheng HUA Ming ZHAO Yan-Hua |
| |
| Affiliation: | (1. Key Laboratory of Beam Technology and Materials Modification of Ministry of Education, College of Nuclear Science and Technology, Beijing Normal University, Beijing 100875, China; 2. Beijing Radiation Center, Beijing 100875, China; Capital Aerospace Machinery Company, Beijing 100076, China) |
| |
| Abstract: | A ceramic coating of 50 μm thick on the surface of friction stir welding (FSW) joint on 2219 aluminum alloy was fabricated by microarc oxidation (MAO) technique in the silicate electrolyte. The surface morphology, phase constituent and microhardness of the coatings on the parent phase and FSW joint of aluminum alloy were investigated, furthermore the interactions of alloy microstructure and MAO coating growth were analyzed. The results show that the effect of microstructure of aluminum alloy on growth of MAO coating is weak, and the properties of MAO coatings on the parent phase and FSW joint of aluminum alloy are almost same. The ceramic coatings at different zones of joint consist of α-Al2O3, γ-Al2O3 and mullite (3Al2O3·2SiO2) phases. The microhardness of coatings on the parent phase and FSW joint of aluminum alloy is same, which average microhardness is about HV 1500. In addition, the microstructure of aluminum alloy near the coating/alloy interface is not influenced by high-temperature process of microarc discharge. |
| |
| Keywords: | friction stir welding microarc oxidation microstructure 2219 aluminum alloy |
| 本文献已被 CNKI 等数据库收录！ |
| 点击此处可从《无机材料学报》浏览原始摘要信息 |
|
点击此处可从《无机材料学报》下载全文 |
|
