镀镍对镁合金AZ61耐腐蚀性能的影响
Effect of Nickel Plating on Corrosion Resistance of Magnesium Alloy AZ61
摘 要
采用X射线衍射仪(XRD)、带有电子能谱仪(EDS)的扫描电子显微镜(SEM)等,研究了化学镀镍镁合金AZ61在NaCl溶液中的耐腐蚀性能。结果表明,化学镀镍在镁合金基体表面沉积了一层致密、均匀的镍-磷合金镀层,依靠镍-磷合金镀层的耐腐蚀性能来保护镁合金基体。腐蚀形貌与腐蚀速率的测定结果具有一致性。经化学镀镍后,镁合金AZ61的耐腐蚀性能有明显提高。
化学镀镍
沉积速率
腐蚀速率
magnesium alloy AZ61
electroless nickel
deposition rate
corrosion rate
Abstract
The corrosion resistance of electroless nickel plated magnesium alloy AZ61 in NaCl solution was studied by X-ray diffraction (XRD),electron energy spectrometer (EDS) and scanning electron microscopy (SEM). The results showed that a fine and even Ni-P alloy layer was deposited on the surface of magnesium alloy by electroless nickel plating. The results of corrosion morphology and corrosion rate were consistant. The corrosion resistance of magnesium alloy AZ61 was improved apparently after electroless nickel plating.
中图分类号 TG174.1
所属栏目 试验研究
基金项目 国家自然科学基金(51171059);河南省杰出人才计划(084200510018);河南省高校科技创新团队支持计划(2012IRTSTHN008)
收稿日期 2014/10/11
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联系人作者马旭(newmars@126.com)
备注马旭(1978-),博士研究生,从事材料科学和金属材料加工研究,18295759301.
引用该论文: WEN Quan,MA Xu. Effect of Nickel Plating on Corrosion Resistance of Magnesium Alloy AZ61[J]. Corrosion & Protection, 2015, 36(1): 27
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参考文献
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【7】GEORGE E,SHAHI N. Corrosion and wear resistance of electroless nickel on magnesium alloys[J].Magnesium Technology,2002:263-267.
【2】霍宏伟,李明,尹红生. AZ91D镁合金化学镀镍前处理工艺及腐蚀行为研究[J].表面技术,2006,35(5):40-43.
【3】胡波年,陈钰伶,余刚. 镁合金化学镀镍原理与工艺的研究进展[J].材料导报,2005,19(7):86-88.
【4】王霞,彭健锋,陈玉祥. 化学镀Ni2P合金耐蚀性能优化的研究向[J].表面技术,2006,35(4):9-11.
【5】ZHANG Y J,YAN C W,WANG F H,et al. Study on the envir-omentally friendly anodizing of AZ91D magnesium alloy[J].Surface and Coatings Technology,2002,161:36-43.
【6】CHU L H,CHEN C C,YANG C F. Improvement of corrosion properties in an aluminum sprayed AZ31 magnesium alloy by a posthot pressing and anodizing treatment[J].Surface and Coatings Technology,2005,191(2/3):181-187.
【7】GEORGE E,SHAHI N. Corrosion and wear resistance of electroless nickel on magnesium alloys[J].Magnesium Technology,2002:263-267.
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