Title : ( Probing of local dissolution of Al-alloys in chloride solutions by AFM and SECM )
Authors: Ali Davoodi , Jinshan Pan , Christofer Leygraf , Stefan Norgren ,
Full TextAbstract
Local dissolution of Al alloys was probed in situ in chloride solutions by using atomic force microscopy (AFM) and scanning electrochemical microscopy (SECM). Preferential dissolution in the boundary region between some intermetallic particles (IMPs) and alloy matrix, and trench formation around large IMPs during free immersion and under electrochemical anodic polarization were observed, which indicate different dissolution behavior associated to different types of IMPs. Moreover, by using an integrated AFM/SECM system with a dual mode cantilever/microelectrode probe, simultaneous probing of electrochemical active sites and topographic changes over the same area was performed with submicron resolution. This allowed the ongoing localized corrosion processes related to the IMP to be revealed.
Keywords
, Localized corrosion; Al alloys; Intermetallic particles; EC, AFM and SECM
@article{paperid:1046959,
author = {Davoodi, Ali and Jinshan Pan and Christofer Leygraf and Stefan Norgren},
title = {Probing of local dissolution of Al-alloys in chloride solutions by AFM and SECM},
journal = {Applied Surface Science},
year = {2006},
volume = {252},
number = {15},
month = {May},
issn = {0169-4332},
pages = {5499--5503},
numpages = {4},
keywords = {Localized corrosion; Al alloys; Intermetallic particles; EC-AFM and SECM},
}
%0 Journal Article
%T Probing of local dissolution of Al-alloys in chloride solutions by AFM and SECM
%A Davoodi, Ali
%A Jinshan Pan
%A Christofer Leygraf
%A Stefan Norgren
%J Applied Surface Science
%@ 0169-4332
%D 2006
