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1Cr17Ni2壓氣機葉片多層膜制備及耐蝕性研究
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南昌航空大學(xué)材料學(xué)院,南昌航空大學(xué)材料學(xué)院,南昌航空大學(xué)材料學(xué)院

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TG174 2

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國家科技攻關(guān)計劃（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:

    本文采用真空電弧離子鍍技術(shù)在1Cr17Ni2不銹鋼基體表面沉積Ti/TiN/Zr/ZrN多層膜，并對膜的形貌、相結(jié)構(gòu)、結(jié)合力以及極化曲線和交流阻抗等電化學(xué)性能進行分析和測試。結(jié)果表明：制備的Ti/TiN/Zr/ZrN膜界面清晰、結(jié)構(gòu)致密、晶粒細小，膜層厚度約為2-3μm，膜層的主要物相為TiN和ZrN兩相，以及少量的金屬Ti和Zr；膜層與基體結(jié)合良好，結(jié)合力大于70N，顯微硬度高達2900 HV0.025，Ti/TiN/Zr/ZrN多層膜與1Cr17Ni2基材相比，具有更高的極化電位和極化電阻，更低的腐蝕電流密度，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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羅軍明,章劉喜,黃俊.1Cr17Ni2壓氣機葉片多層膜制備及耐蝕性研究[J].稀有金屬材料與工程,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
  • 錄用日期:2017-04-10
  • 在線發(fā)布日期: 2017-04-10
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