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| 电弧喷涂含非晶相的Fe基涂层的电化学行为 | |
| 引用本文： | 郭金花,吴嘉伟,倪晓俊,李德仁,连法增,卢志超.电弧喷涂含非晶相的Fe基涂层的电化学行为[J].金属学报,2007,43(7):780-784. |
| 作者姓名： | 郭金花 吴嘉伟 倪晓俊 李德仁 连法增 卢志超 |
| 作者单位： | 1. 东北大学材料各向异性与织构教育部重点实验室,沈阳110004;安泰科技股份有限公司研发中心,北京100081 2. 安泰科技股份有限公司研发中心,北京100081 3. 钢铁研究总院纳米材料工程技术研究中心,北京100081;安泰科技股份有限公司研发中心,北京100081 4. 东北大学材料各向异性与织构教育部重点实验室,沈阳110004 |
| 摘 要： | 采用高速电弧喷涂技术制备了含有非晶相的3种铁基涂层(AC1-Fe59.5Cr16.2WC3.0Mn0.3 B20.2Si0.6,AC2-Fe59.8Cr16.0WC1.5Mo1.5Mn0.3B20.0Si0.7,AC3-Fe59.9Cr16.0Sn3.0Mn0.3B20.0C0.2Si0.6).对涂层的极化行为和交流阻抗行为进行了研究,涂层AC1中含有较多的非晶相,在Tafel线性极化区具有最低的自腐蚀电流,在阳极极化时表现出钝化趋势.涂层的电化学阻抗谱均可采用R(Q(R(QR)))型等效电路来进行分析,涂层AC1与其它涂层相比具有更大的电化学反应电阻.在一系列的电化学反应实验中,涂层AC1的耐蚀性最好. |
| 关 键 词： | 电弧喷涂 Fe基涂层 极化 电化学阻抗 电弧喷涂 非晶相 铁基涂层 化学行为 ARC SPRAYING ELECTRIC AMORPHOUS PHASE CONTAINING COATINGS BEHAVIOR 耐蚀性 反应实验 反应电阻 层相 分析 等效电路 阻抗谱 电化学 趋势 表现 |
| 文章编号： | 0412-1961（2007）07-0780-05 |
| 修稿时间： | 2006-11-242007-03-06 |
ELECTROCHEMICAL BEHAVIOR OF Fe-BASED COATINGS CONTAINING AMORPHOUS PHASE PREPARED BY ELECTRIC ARC SPRAYING |
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| GUO Jinhua,WU Jiawei,NI Xiaojun,LI Deren,LIAN Fazeng,LU Zhichao.ELECTROCHEMICAL BEHAVIOR OF Fe-BASED COATINGS CONTAINING AMORPHOUS PHASE PREPARED BY ELECTRIC ARC SPRAYING[J].Acta Metallurgica Sinica,2007,43(7):780-784. | |
| Authors: | GUO Jinhua WU Jiawei NI Xiaojun LI Deren LIAN Fazeng LU Zhichao |
| Abstract: | Electric arc spray technique was utilized to spray iron-based coatings (ACl-Fe_(59.5)Cr_(16.2)WC_(3.0)Mn_(0.3)B_(20.2)Si_(0.6),AC2-Fe_(59.8)Cr_(16.0)WC_(1.5)Mo_(1.5)Mn_(0.3)B_(20.0)Si_(0.7),and AC3- Fe_(59.9)Cr_(16.0)Sn_(3.0)Mn_(0.3)B_(20.0)C_(0.2)Si_(0.6)).containing amorphous phases and crystalline. The polarization curves and electrochemical impedance spectra of the coatings were studied.The coating AC1 has the lowest corrosion current in Tafel linear curves and shows the passivation ability during anodic polar- ization owing to more amorphous phase in coating AC1.All of electrochemical impedance spectra can be analyzed by an equivalent circuit of R(Q(R(QR))).The results show that coating AC1 with higher charge-transfer resistance.The coating AC1 has the best corrosion resistance after a series of electrochemical tests. |
| Keywords: | electric arc spraying Fe base coating polarization electrochemical impedance |
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