采用电位-电容法及Mott-Schottky分析技术研究了自腐蚀电位条件下304不锈钢钝化膜在酸、碱性溶液中的半导体导电行为.研究表明,304不锈钢钝化膜在不同溶液体系中表现出不同的导电特征,在5‰H2SO4溶液中,呈现两个空间电荷层,扫描电位低于0VSCE,钝化膜呈现p型半导体导电特征.而扫描电位大于0VSCE,钝化膜呈现n型半导体导电特征.钝化膜在5%NaOH溶液中呈现p型半导体导电特征.在不同溶液中载流子浓度随着浸泡时间的延长变化不大.
参考文献
| [1] | Uhlig H.Passivity of tnetals[A].Princeton,NJ:The Electrochemistry Society,1978 |
| [2] | Schmuki P;Bohni H .Metastable pitting and semiconductive properties of passive films[J].Journal of the Electrochemical Society,1992,139(07):1908-1913. |
| [3] | Simoes A M P;Ferreira M G S;Rondot B et al.Study of passive films formed on AISI 304 stainless steel by impedance measurements and photoelectrochemistry[J].Journal of the Electrochemical Society,1990,137(01):82-87. |
| [4] | Paola A D;Shukla D;Stimming U .Photoelectrochemical study of passive on stainless steel in neutral solutions[J].Electrochimica Acta,1991,36(02):345-352. |
| [5] | Paola A D .Semiconducting properties of passive films on stainless steels[J].Electrochimica Acta,1989,34(02):203-210. |
| [6] | Burleigh T D;Latanision R M .The use of photocurrents to characterize anodic films on Ti,Zr,Cu,and 304 stainless steel[J].Journal of the Electrochemical Society,1987,134(01):135-141. |
| [7] | Harrison J A;Williams D E .How does the electrochemical behavior of stainless steel reflect that of its constituent elements?[J].Electrochimica Acta,1986,31(08):1063-1072. |
| [8] | Bartels C;Danzfuss B;Schultze J W;Froment M.Passivity of metals and semiconductors[M].Amsterdam:Elsevier Science Publishers,1983 |
| [9] | Schultze J W;Elfenthal L;Leitner K et al.Electrochemical studies of titanium dioxide films with various palladium implantation profiles[J].Materials Science and Engineering,1987,90:253-262. |
| [10] | Leiva E;Meyer P;Schmickler W .A simulation of percolation process in electrochemical systems[J].Journal of the Electrochemical Society,1988,135(12):1993-1996. |
| [11] | Leiva E;Meyer P;Schmickler W .Electron transfer through passive films:role of localized electronic states[J].Corrosion Science,1989,29(02):225-236. |
| [12] | Doblhofer K;Nolte D;Ulstrup J .Polymer-film covered electrodes of stable electrochemical performance[J].Berichte der Bunsen Gesellschaft physical Chemistry Chemical Physics,1978,82(04):403-408. |
| [13] | AmbegaokarV;Halperin B I;Langer J S .Hopping conductivity in disordered systems[J].Physical Review,1971,4B:2612-2620. |
| [14] | Lu Y C;Clayton C R .Evidence for a bipolar mechanism of passivity in Mo bearing stainless steels[J].Journal of the Electrochemical Society,1985,132(10):2517-2518. |
| [15] | 钟庆东,郑金,徐乃欣,印仁和,周国定.防锈油膜失效过程中的导电行为转变[J].腐蚀科学与防护技术,2004(02):83-86. |
| [16] | 钟庆东,郑金,徐乃欣,印仁和,周国定.防锈油膜在5% Na2SO4溶液中的半导体导电行为[J].腐蚀科学与防护技术,2004(05):276-279. |
| [17] | Zhong Qingdong;Michael Rohwerder;Zhang Zhao .Semiconducting Behavior of Temporarily Protective Oil Coating on the Surface of AISI 304 Stainless Steel to 5 percent Na_2SO_4 Solution during its Degradation[J].Journal of the Electrochemical Society,2004(7):B446-B452. |
| [18] | Zhong Q D;Rohwerder M;Shi L Y .The effect of ionic penetration on semiconducting behaviour of temporarily protective oil coating on the surface of AISI 304 stainless steel[J].Mater Cor-ros,2005,56(09):597-605. |
| [19] | Paola A D;Quarto F D;Sunseri C .A photoelectrochemical characterization of passive films on stainless steels[J].Corrosion Science,1986,26(11):935-948. |
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