| 316不锈钢电化学着色工艺研究 |
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| 引用本文： | 杨喜云,陈白珍,龚竹青.316不锈钢电化学着色工艺研究[J].腐蚀科学与防护技术,2009,21(3):330-332. |
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| 作者姓名： | 杨喜云 陈白珍 龚竹青 |
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| 作者单位： | 中南大学冶金科学与工程学院,长沙,410083 |
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| 摘 要： | 采用两步法对316不锈钢进行着色处理：先在表面冲击预镀一层镍，然后用钼酸铵进行电化学着色.研究了钼酸铵浓度、电流密度、时间和pH值对着色膜性能的影响，获得最佳工艺条件，所得黑色膜耐磨性好，光亮.采用SEM和电化学性能测试对膜的形貌，成分和耐腐蚀性能进行表征.结果表明，经着色处理后，耐蚀性能明显提高，着色膜呈块状分布，主要成分为MoO2.
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| 关 键 词： | 两步法 316不锈钢 钼酸铵 |
| 收稿时间： | 2007-08-20 |
| 修稿时间： | 2007-11-07 |
AN ELECTROCHEMICAL COLORING TECHNIQUE FOR 316 STAINLESS STEEL |
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| YANG Xi-yun,CHEN Bai-zhen,GONG Zhu-qing.AN ELECTROCHEMICAL COLORING TECHNIQUE FOR 316 STAINLESS STEEL[J].Corrosion Science and Protection Technology,2009,21(3):330-332. |
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| Authors: | YANG Xi-yun CHEN Bai-zhen GONG Zhu-qing |
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| Affiliation: | School of Metallurgical Science and Engineering;Central South University;Changsha 410083 |
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| Abstract: | A two-step process was employed to color 316 stainless steel,i.e.a pre-electroplating nickel and then electrochemically coloring in a bath containing ammonium molybdate.The effects of concentration of ammonium molybdate and pH value of the bath as well as current density and time of the processing on the properties of coloring film were investigated.Thus the optimal processing parameters were obtained.The conversion film was black and bright with good wear resistance.Morphology,composition and corrosion res... |
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| Keywords: | two-step process 316 stainless steel ammonium molybdate |
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