欢迎登录材料期刊网

材料期刊网

高级检索

利用电容测试法和电化学阻抗谱技术研究了稀土Ce对Fe-3Cr合金在1 mol/L NaHCO3+0.5 mol/L Na2CO3缓冲溶液中所形成的钝化膜电化学腐蚀行为的影响.结果表明:稀土Ce能大大降低钝化膜内的施主密度,使膜电阻和离子在膜内的传递电阻增大,导致离子在膜内的扩散能力降低.稀土的加入可以增强基体合金在含有Cl-缓冲溶液中的耐腐蚀性能.

参考文献

[1] Takabe H;Ueda M.The formation behavior of corrosion protective films of low Cr bearing steels in CO2 environments[A].Houston:NACE,2001:66.
[2] Ikeda A;Ueda M;Mukai S.CO2 behavior of carbon and Cr steels.Advances in CO2 corrosion[A].Houston:NACE,1984:39.
[3] Takabe H;Ueda M.Corrosion resistance of low Cr bearing steel in sweet and sour environments[A].Houston:NACE,2002:41.
[4] Rogne T;Eggen T G;Steinsmo U.Corrosion of C-Mn-steel and 0.5% Cr steel in flowing CO2 saturated brines[A].Houston:NACE,1996:33.
[5] M. Kimura;Y. Miyata;Y. Yamane;T. Toyooka;Y. Nakano;F. Murase .Corrosion resistance of high-strength modified 13 % Cr steel[J].Corrosion: The Journal of Science and Engineering,1999(8):756-761.
[6] Horowitz G .Capacitance-voltage measurements and flat-band potential determination on Zr-doped a-Fe2O3,single-crystal electrodes[J].Journal of Electroanalytical Chemistry,1983,159(02):421-436.
[7] Shoonman J;Vos K;Blasse G .Donor densities in TiO2 photo-electrodes[J].Journal of the Electrochemical Society,1981,128(05):1154-1162.
[8] Dean M H;Newmark A R;Stimming U .On the evaluation of the flatband potential from photocurrent measurements[J].Journal of Electroanalytical Chemistry,1987,217(01):135-145.
[9] Azumi K;Ohtsuka T;Sato N .Mott-Schottky plot of the passive film formed on iron in neutral borate and phosphate solutions[J].Journal of the Electrochemical Society,1987,134(06):1352-1363.
[10] MacDonald D D .The point defect model[J].Journal of the Electrochemical Society,1992,139:3434-3451.
[11] Chen C T;Cahan B D .The nature of the passive film on iron[J].Journal of the Electrochemical Society,1982,129(05):921-933.
[12] Hamadou L;Kadri A;Benbrahim N .Characterisation of passive films formed on low carbon steel in borate buffer solution (pH 9.2) by electrochemical impedance spectroscopy[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2005(5):1510-1519.
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%