Electrochemical Corrosion Behavior of Thermal Oxidized TC4 Alloy in CO<sub>2</sub>-saturated Simulated Oilfield Brine

Home > Archive>Volume 47, Issue 1, 2018 >274-278

Electrochemical Corrosion Behavior of Thermal Oxidized TC4 Alloy in CO2-saturated Simulated Oilfield Brine
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Affiliation:Taiyuan University of Technology,Taiyuan,Taiyuan University of Technology,Taiyuan,Taiyuan University of Technology,Taiyuan,Xi`an University of Architecture and Technology,Xi`an,Taiyuan University of Technology,Taiyuan,Taiyuan University of Technology,Taiyuan,,Taiyuan University of Technology,Taiyuan,Taiyuan University of Technology,Taiyuan,Taiyuan University of Technology,Taiyuan,Taiyuan University of Technology,Taiyuan,Taiyuan University of Technology,Taiyuan
Clc Number:TG146.2+3；TG174.3+6；TG178
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Abstract:

Thermal oxidation (TO) process was conducted to realize surface treatment of TC4 alloy. Scanning electron microscope (SEM), glow discharge optical emission spectrometer (GDOES), X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS) were employed to analysis the characterizations of the obtained TO layer. Electrochemical corrosion behaviors of the TO layer and TC4 alloy substrate in CO2-saturated simulated oilfield medium were investigated. The results showed that the continuous and uniform TO layer was mainly composed of rutile TiO2 phase. TO treatment had significantly improve the anticorrosion property of TC4 alloy.

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[Lin Naiming, Xie Ruizhen, Zou Jiaojuan, Tang Changbin, Zhou Peng, Tian Wei, Yao Xiaofei, Ma Yong, Wang Zhenxia, Qin Lin, Wang Zhihua, Tang Bin. Electrochemical Corrosion Behavior of Thermal Oxidized TC4 Alloy in CO₂-saturated Simulated Oilfield Brine[J]. Rare Metal Materials and Engineering,2018,47(1):274~278.]
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Received:October 19,2015
Revised:March 21,2016
Adopted:April 26,2016
Online: February 07,2018
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