郝康达,苗景国,陈秋荣,董香芸,吴润,卫中领.铝酸钠浓度对 7075 铝合金微弧氧化膜层特性的影响[J].表面技术,2013,42(3):49-51,55.
HAO Kang-da,MIAO Jing-guo,CHEN Qiu-rong,DONG Xiang-yun,WU Run,WEI Zhong-ling.Effect of Sodium Aluminate Concentration on Properties of Micro-arc Oxidation Coatings on Aluminum Alloy 7075[J].Surface Technology,2013,42(3):49-51,55 |
| 铝酸钠浓度对 7075 铝合金微弧氧化膜层特性的影响 |
| Effect of Sodium Aluminate Concentration on Properties of Micro-arc Oxidation Coatings on Aluminum Alloy 7075 |
| 投稿时间：2013-01-09 修订日期：2013-02-20 |
| DOI： |
| 中文关键词: 铝酸钠 微弧氧化 形貌 |
| 英文关键词:sodium aluminate micro-arc oxidation morphology |
| 基金项目: |
| 作者 | 单位 |
| 郝康达 | 武汉科技大学 材料与冶金学院, 武汉 430081 |
| 苗景国 | 武汉科技大学 材料与冶金学院, 武汉 430081;嘉兴南洋职业技术学院 机电工程系, 嘉兴 314003 |
| 陈秋荣 | 中国科学院嘉兴轻合金技术工程中心, 嘉兴 314006;嘉兴中科亚美合金技术有限责任公司, 嘉兴 314006 |
| 董香芸 | 武汉科技大学 材料与冶金学院, 武汉 430081 |
| 吴润 | 武汉科技大学 材料与冶金学院, 武汉 430081 |
| 卫中领 | 中国科学院嘉兴轻合金技术工程中心, 嘉兴 314006 |
|
| Author | Institution |
| HAO Kang-da | Materials and Metallurgy College,Wuhan University of Science and Technology,Wuhan 430081, China |
| MIAO Jing-guo | Materials and Metallurgy College,Wuhan University of Science and Technology,Wuhan 430081, China;Department of Mechanical and Electrical Engineering, Jiaxing Nanyang Vocational Technology College, Jiaxing 314003, China |
| CHEN Qiu-rong | Jiaxing Light Alloys Technology and Engineering Centre, Chinese Academy of Sciences, Jiaxing 314006 , China;Jiaxing Zhongke Asia Magnesium Technology Co. , Ltd. , Jiaxing 314006 , China |
| DONG Xiang-yun | Materials and Metallurgy College,Wuhan University of Science and Technology,Wuhan 430081, China |
| WU Run | Materials and Metallurgy College,Wuhan University of Science and Technology,Wuhan 430081, China |
| WEI Zhong-ling | Jiaxing Light Alloys Technology and Engineering Centre, Chinese Academy of Sciences, Jiaxing 314006 , China |
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| 中文摘要: |
| 选用铝酸钠体系对 7075 铝合金进行微弧氧化处理。 对不同铝酸钠浓度下制备出的膜层厚度及显微硬度进行测试,并借助扫描电镜及金相显微镜对膜层微观形貌进行分析。 结果表明:不同铝酸钠浓度下制备出的膜层均呈“ 火山喷射口冶 状凸起形貌,与基体之间呈微区范围内的锯齿状冶金结合,膜层连续均匀,铝酸钠质量浓度为 9 g / L 时,膜层显微硬度高达 1080 HV0 . 1 。 |
| 英文摘要: |
| Applying the technology of micro-arc oxidation to form ceramic coatings on aluminum alloy 7075 . The thickness and micro-hardness values of coatings in different concentration of sodium aluminate were tested, and morphology of surface and cross-section of coatings were observed by using scanning electron microscope ( SEM) and metallographic microscope. Results showed that, embossments like " volcanic vent " were presented on the surface of MAO coatings prepared in different sodium aluminate concentration. In addition, metallurgical bonding mode like zigzag was observed between coating and substrate, coatings were continuous and symmetrical with micro-hardness of 1080 HV0 . 1 . |
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