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TC4合金表面滲鉬層在模擬油田介質(zhì)中的耐蝕性
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太原理工大學(xué)表面工程研究所

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TG174

基金項(xiàng)目:

中國(guó)博士后科學(xué)基金(2012M520604)；山西省青年科技基金(2013021013-2)；太原理工大學(xué)青年基金(2013T011)


Corrosion Resistance of Molybdenizing Coating on TC4 Alloy in Simulated Oilfield Medium
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Taiyuan University of Technology

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    摘要:

    采用等離子表面合金化技術(shù)對(duì)TC4合金進(jìn)行滲鉬表面改性，使用光學(xué)顯微鏡，輝光光譜分析儀和X射線衍射儀分析滲鉬層的特征，借助電化學(xué)測(cè)試技術(shù)評(píng)價(jià)TC4合金和滲鉬層在模擬油田介質(zhì)中的耐蝕性。結(jié)果表明：滲鉬層均勻、連續(xù)，滲層由鉬的沉積層和擴(kuò)散層組成；滲鉬層的耐蝕性略低于TC4合金。

    Abstract:

    Plasma surface alloying process was employed to prepare molybdenizing coating on TC4 alloy. Microstructural characteristics of the molybdenizing coating were analyzed using optical microscope (OM), glow discharge optical emission spectrometer analysis (GDOES) and X-ray diffraction (XRD). Corrosion resistance of molybdenizing coating and TC4 alloy in simulated oilfield medium were estimatted via electrochemical measurements. The results revealed that the uniform and continuous molybdenizing coating was composed of a deposition layer and a diffusion layer. The molybdenizing coating presented slightly lower corrosion resistance as compared with TC4 alloy.

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林乃明. TC4合金表面滲鉬層在模擬油田介質(zhì)中的耐蝕性[J].稀有金屬材料與工程,2016,45(12):3233~3237.[LIN Naiming. Corrosion Resistance of Molybdenizing Coating on TC4 Alloy in Simulated Oilfield Medium[J]. Rare Metal Materials and Engineering,2016,45(12):3233~3237.]
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  • 收稿日期:2014-09-22
  • 最后修改日期:2014-11-04
  • 錄用日期:2014-12-03
  • 在線發(fā)布日期: 2017-02-06
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