| 镁合金AZ91表面化学镀镍层的制备及性能研究 |
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| 引用本文： | 熊俊波,张秀芝,许刚. 镁合金AZ91表面化学镀镍层的制备及性能研究[J]. 表面技术, 2009, 38(2): 34-36 |
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| 作者姓名： | 熊俊波 张秀芝 许刚 |
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| 作者单位： | 太原科技大学材料科学与工程学院,山西,太原,030024;太原科技大学材料科学与工程学院,山西,太原,030024;太原科技大学材料科学与工程学院,山西,太原,030024 |
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| 摘 要： | 为了优化镁合金表面化学镀镍工艺,降低施镀过程中的污染,研究了AZ91镁合金表面直接化学镀镍工艺,并应用SEM对镀层表面形貌进行观察,通过EDS及XRD对镀层成分及物相进行了分析,采用划线划格法、静态浸泡法分别对镀层与镁合金基体的结合力、镀层的防腐蚀性能进行了分析.研究结果表明:AZ91镁合金表面可通过直接化学镀镍获得结合力良好、表面硬度较高的镍镀层.镀层的成分分析显示:由于NaH2PO2发生自身氧化还原反应,镀层中存在少量P.在3.5%NaCl溶液中的静态腐蚀试验结果表明:镀层的耐腐蚀性能良好,对合金基体可以起到较好的防护作用.
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| 关 键 词： | 镁合金 化学镀镍 耐腐蚀性 |
Study on the Preparation and Property of Coatings on AZ91 Magnesium Alloy by Electroless Nickel Plating |
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| XIONG Jun-bo,ZHANG Xiu-zhi,XU Gang. Study on the Preparation and Property of Coatings on AZ91 Magnesium Alloy by Electroless Nickel Plating[J]. Surface Technology, 2009, 38(2): 34-36 |
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| Authors: | XIONG Jun-bo ZHANG Xiu-zhi XU Gang |
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| Affiliation: | XIONG Jun-bo,ZHANG Xiu-zhi,XU Gang(Taiyuan University of Science , Technology,Taiyuan 030024,China) |
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| Abstract: | The process of direct electroless nickel plating on the surface of AZ91 magnesium alloy and the performances of nickel coat were studied.The morphology of plating has been observed by SEM;The chemical compositions and phases have been analyzed by EDS and XRD;The adhesive force between the coating and the magnesium substrate has been estimated by using scribe test.It is showed that a Ni coating with good combination force and high hardness can be obtained.The results of XRD and EDS indicate that owing to the... |
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| Keywords: | Magnesium alloy Electroless nickel plating Corrosion resistance |
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