| 乙酸钠浓度对AZ91D镁合金锡酸盐转化膜的影响 |
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| 引用本文： | 吴丹.乙酸钠浓度对AZ91D镁合金锡酸盐转化膜的影响[J].材料保护,2011,44(5):43-44,55,84. |
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| 作者姓名： | 吴丹 |
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| 作者单位： | 江西五十铃汽车有限公司,江西,南昌,330001 |
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| 摘 要： | 镁合金的无铬化学转化处理已成为其防护技术研究的一个重要方向,为此,开发了一种以乙酸钠为主要成分的镁合金锡酸盐转化工艺,采用全浸腐蚀试验、扫描电镜(SEM)、X射线衍射(XRD)等方法研究了AZ91D镁合金在含不同乙酸钠浓度成膜液中所形成膜层的结构,并比较了膜层的耐腐蚀性能.结果表明:成膜过程中,随着成膜液中乙酸钠浓度的...
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| 关 键 词： | 锡酸盐转化膜 镁合金 乙酸钠 耐蚀性 相结构 |
Effect of Concentration of Sodium Acetate on Stannate Conversion Coatings of AZ91D Magnesium Alloy |
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| WU Dan.Effect of Concentration of Sodium Acetate on Stannate Conversion Coatings of AZ91D Magnesium Alloy[J].Journal of Materials Protection,2011,44(5):43-44,55,84. |
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| Authors: | WU Dan |
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| Affiliation: | WU Dan(Jiangling-Isuzu Motors Company Ltd.,Nanchang 330001,China). |
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| Abstract: | A process for preparing stannate conversion coating on Mg alloy was established by using sodium acetate as the major component.Thus stannate conversion coatings were obtained on AZ91D Mg alloy by immersing in the conversion fluids containing sodium acetate of various concentrations.The microstructure and corrosion resistance of the conversion coatings were analyzed by means of scanning electron microscopy,X-ray diffraction and full immersion tests.Results show that as-prepared conversion coatings are compos... |
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| Keywords: | stannate conversion coating magnesium alloy sodium acetate corrosion resistance phase composition |
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