| 钨对化学镀Ni-W-P镀层耐蚀性能的影响 |
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| 引用本文： | 姚志燕,徐宏,侯峰,曾斌.钨对化学镀Ni-W-P镀层耐蚀性能的影响[J].腐蚀与防护,2011(5). |
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| 作者姓名： | 姚志燕 徐宏 侯峰 曾斌 |
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| 作者单位： | 华东理工大学机械与动力工程学院化学工程联合国家重点实验室; |
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| 基金项目： | 上海市重点学科建设项目(B503) |
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| 摘 要： | 采用电化学阻抗谱和X射线衍射法研究了Ni-W-P镀层中钨的含量对镀层在镀态和700℃热处理后耐蚀性能的影响。结果表明,镀态Ni-W-P镀层的耐蚀性能主要取决于镀层的非晶化程度;热处理后由于镀层表面产生钨的氧化膜,耐蚀性能大幅度提高,其耐蚀性能与镀层表面钨氧化膜的致密性有关。
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| 关 键 词： | 化学镀 热处理 耐蚀性 |
Effect of Tungsten on Corrosion Resistance of Electroless Ni-W-P Coating |
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| YAO Zhi-yan,XU Hong,HOU Feng,ZENG Bin.Effect of Tungsten on Corrosion Resistance of Electroless Ni-W-P Coating[J].Corrosion & Protection,2011(5). |
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| Authors: | YAO Zhi-yan XU Hong HOU Feng ZENG Bin |
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| Affiliation: | YAO Zhi-yan,XU Hong,HOU Feng,ZENG Bin (State Key Laboratory of Chemical Engineering,East China University of Science and Technology,Shanghai 200237,China) |
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| Abstract: | The effect of tungsten content on the corrosion resistance of as-plated and 700 C heat-treated Ni-W-P deposits were investigated by electrochemical impendence spectroscopy(EIS).energy dispersive spectroscopy(EDS) and X-ray diffraction(XRD).The results showed that the corrosion resistance of as-plated coatings was determined by the amorphous degree.The corrosion resistance of heat-treated coatings was sharply improved and affected by the compactness of tungsten oxidation formed during the heat-treatment. |
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| Keywords: | electroless plating heat-treatment corrosion resistance |
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