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1Cr17Ni2压气机叶片多层膜制备及耐蚀性研究
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南昌航空大学材料学院,南昌航空大学材料学院,南昌航空大学材料学院

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TG174 2

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国家科技攻关计划(2012BAE02B01)


Preparation of multilayer films on 1Cr17Ni2 stainless steel and its corrosion resistance
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School of Materials Science and Engineering, Nanchang Hangkong University,School of Materials Science and Engineering, Nanchang Hangkong University,School of Materials Science and Engineering, Nanchang Hangkong University

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    摘要:

    本文采用真空电弧离子镀技术在1Cr17Ni2不锈钢基体表面沉积Ti/TiN/Zr/ZrN多层膜,并对膜的形貌、相结构、结合力以及极化曲线和交流阻抗等电化学性能进行分析和测试。结果表明:制备的Ti/TiN/Zr/ZrN膜界面清晰、结构致密、晶粒细小,膜层厚度约为2-3μm,膜层的主要物相为TiN和ZrN两相,以及少量的金属Ti和Zr;膜层与基体结合良好,结合力大于70N,显微硬度高达2900 HV0.025,Ti/TiN/Zr/ZrN多层膜与1Cr17Ni2基材相比,具有更高的极化电位和极化电阻,更低的腐蚀电流密度,更大容抗弧。

    Abstract:

    The Ti/TiN/Zr/ZrN multilayer films were prepared on 1Cr17Ni2 stainless steel by vacuum arc deposition, and the morphologies, phase composition, bonding strength, polarization curve and electrochemical impedance spectroscopy (EIS) of the multilayer films were studied. The results show that the films are mainly composed of TiN and ZrN phases with a few metal Ti and Zr. The multielement interface of the Ti/TiN/Zr/ZrN multilayer films exhibite excellent and dense with a total thickness of 2-3 μm, and the grain size presents uniformity and fine. The bonding strength between the films and the substrate is higher than 70 N. The microhardness of the films is up to 2900 HV0.025. Compared to the uncoated 1Cr17Ni2, the multilayer films possesse higher corrosion potential, higher polarization resistance, larger capacitive reactance arc and lower corrosion current density.

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罗军明,章刘喜,黄俊.1Cr17Ni2压气机叶片多层膜制备及耐蚀性研究[J].稀有金属材料与工程,2017,46(2):491~495.[luo junming, Zhang Liuxi, HuangJun. Preparation of multilayer films on 1Cr17Ni2 stainless steel and its corrosion resistance[J]. Rare Metal Materials and Engineering,2017,46(2):491~495.]
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  • 收稿日期:2014-10-25
  • 最后修改日期:2014-12-18
  • 录用日期:2017-04-10
  • 在线发布日期: 2017-04-10
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