|
|
|
Abstract The instantaneous impedance of Al in 1N NaCl at various polarization times has been measured using Laplace transformation method.In the instan of beginning of polarization,the dependence of interfacial resistance R,on polarization current densitg i_p,is as follows: logR_f=K-logi_p Interfacial capacitance Cf,which is independent of i,depends only on film's thickness.In the course of polarization,R_f hardly changes with time, but C_f changes greatly This is due to the fact that the difference between electric resistance on corroded region and that on film region is very small while there is a large difference in capacitance of both regions.
|
|
Received: 25 August 1985
|
[1] Pryor,M.J.,Localized Corrosion,Ed.Staehle,R.W.et al.,NACE,Houson TX.,2(1974)
[2] Wood,G.,C.,Sutton,W.H.,Richardson,J.A.,Riley,T.N.K.,Malherbe,A.G.,Ibid.P526
[3] 徐乃欣,Thompson,G.E.,DaWson,J.L.,Wood,G.C.,中国腐蚀与防护学报,2(4) ,27(1982)
[4] Heine,M.A.,Pryor,M.J.,J.Electrohem.Soc.,110,1205(1963)
[5] Brock,A.J.,Wood,G.C.,Electrochim.Acta,12,395(1967)
[6] 沈行素,常玉勤,高效岳,中国腐蚀与防护学报,3(1) ,16(1983)
[7] 朱应扬,朱日彰,王旷,张文奇,实验技术与管理,2(2) ,38(1985)
[8] Kaesche,H.,Passivity in Metal,The Electrochemical Soc.,Princeton,N.J.,935(1978)
[9] Norio Sato.Ibid,P29
[10] Libsch,T.A.;Devereux,O.F.,J,Electrochem.Soc.,123,864(1976)
[11] McMullen,J.J.;Pryor,M.J.,First Iit.Cong.Metall.Corroosion,Butterworths,London.,52(1962)
[12] Antropov,L.I.,Theoretical Electrochemistry,中文译本284,78 (1977) |
| No Suggested Reading articles found! |
|
|
Viewed |
|
|
|
Full text
|
|
|
|
|
Abstract
|
|
|
|
|
Cited |
|
|
|
|
| |
Shared |
|
|
|
|
| |
Discussed |
|
|
|
