| 单脉冲电沉积Ni-Co合金镀层在NaCl盐膜下的腐蚀行为 |
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| 引用本文： | 马焕明,曲明贵.单脉冲电沉积Ni-Co合金镀层在NaCl盐膜下的腐蚀行为[J].热处理,2006,21(2):25-27. |
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| 作者姓名： | 马焕明 曲明贵 |
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| 作者单位： | [1]秦皇岛市戴卡轮毂制造有限公司,河北秦皇岛066003 [2]燕山大学材料学院,河北秦皇岛066004 |
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| 摘 要： | 采用X射线衍射（XRD）、扫描电钳能谱（SEM／EDS）及热重分析法研究了单脉冲电沉积法制备的Ni—Co合金镀层在NaCI盐膜下于800℃的空气中的腐蚀行为。结果表明，所制得的镀层在NaCl盐膜下发生了加速腐蚀，形成的表面腐蚀层疏松且与基体的粘附性较差。讨论了在该腐蚀环境下Ni-Co合金层的腐蚀机制。
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| 关 键 词： | Ni-Co合金镀层 单脉冲电沉积 腐蚀 NaCl |
| 文章编号： | 1008-1690（2006）02-0025-003 |
| 收稿时间： | 2005-06-22 |
| 修稿时间： | 2005年6月22日 |
Corrosion Behavior of Single Pulse Electrodeposited Ni-Co Alloy Coating in the Presence of Sodium Chloride Film |
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| MA Huan-ming, QU Ming-gui.Corrosion Behavior of Single Pulse Electrodeposited Ni-Co Alloy Coating in the Presence of Sodium Chloride Film[J].Heat Treatment,2006,21(2):25-27. |
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| Authors: | MA Huan-ming QU Ming-gui |
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| Affiliation: | 1.Qinhuangdao Dicastal Wheel Mannfacture Co.,Ltd., Qinhuangdao Hebei 066003; 2.College of Materials Science and Engineering,Yanshan Unviversity. Qinhuangdao Hebei 066004 |
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| Abstract: | The corrosion behavior in air at 800oC of Ni-Co alloy coating covered with a sodium chloride film and prepared by using single pulse electrodepositing has been investigated by the application of XRD, SEM/EDS and thermogravimetric analysis. The results show that corrosion of the coating covered with the sodium chloride film has been accelerated, and that corroded loyer has been porous and baddly adheged to matrix. The corrosion mechanism of the Ni-Co alloy coating under the above mentioned corrosion environment has been discussed. |
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| Keywords: | Ni-Co alloy coating single pulse electrodpositing corrosion NaCI |
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