| 试验次数对AZ91D镁合金微弧氧化的影响 |
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| 引用本文： | 袁亚,马颖,陈体军,吕维玲,张洪峰,杨健.试验次数对AZ91D镁合金微弧氧化的影响[J].新技术新工艺,2009(9):128-130. |
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| 作者姓名： | 袁亚 马颖 陈体军 吕维玲 张洪峰 杨健 |
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| 作者单位： | 兰州理工大学,甘肃省有色金属新材料省部共建国家重点实验室,甘肃,兰州,730050 |
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| 基金项目： | 国家重点基础研究发展规划(973计划)，甘肃省科技重大专项项目 |
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| 摘 要： | 在硅酸盐体系中，研究了试验次数对微弧氧化起弧电压和终止电压以及膜层微观结构和性能的影响，并初步探讨电解液老化的原因。研究表明，随着试验次数的增加，起弧电压、终止电压、膜层厚度、粗糙度、膜层的微观结构及其宏观质量的变化各不相同；电解液的老化与沉淀的出现有关。
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| 关 键 词： | AZ91D镁合金 微弧氧化 微观组织 膜层性能 沉淀 |
Effect of Experiment Frequency on Micro-arc Oxidization of AZ91D Magnesium Alloy |
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| YUAN Ya,MA Ying,CHEN Tijun,LV Weiling,ZHANG Hongfeng,YANG Jian.Effect of Experiment Frequency on Micro-arc Oxidization of AZ91D Magnesium Alloy[J].New Technology & New Process,2009(9):128-130. |
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| Authors: | YUAN Ya MA Ying CHEN Tijun LV Weiling ZHANG Hongfeng YANG Jian |
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| Affiliation: | (State Key Laboratory of Advanced New Non-ferrous Metal Materials, Lanzhou University of Technology ,Lanzhou 730050,China) |
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| Abstract: | Effect of experiment frequency on striking voltage, final voltage, microstructure and properties of micro-arc oxidation coating in silicate solutions were studied, and the reasons of electrolyte solution aging were discussed. The results show that the change on striking voltage, final voltage, thickness, roughness, microstructure and macro-quality of coating were varied with increas ing of experiment frequency. Meanwhile the electrolyte solution aging was related to the appearance of precipitate. |
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| Keywords: | AZ91D magnesium alloy Micro-Arc oxidation Microstructure Properties of coating Precipitate |
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