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Digital holographic reconstruction detection of localized corrosion arising from scratches
Author(s) -
Liang Wang,
Shenhao Chen,
Boyu Yuan,
Fanjiang Meng,
Jianqiu Wang,
Chao Wang,
Li Liang
Publication year - 2010
Publication title -
journal of the serbian chemical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.227
H-Index - 45
eISSN - 1820-7421
pISSN - 0352-5139
DOI - 10.2298/jsc090627016w
Subject(s) - holography , scratch , corrosion , materials science , alloy , electrochemistry , digital holographic microscopy , optics , process (computing) , computer science , artificial intelligence , metallurgy , chemistry , physics , composite material , electrode , operating system
In this study, electrochemical methods and the digital holographic reconstruction technique were combined to detect the localized scratch-induced corrosion process of Alloy 690 in 0.50 mol dm(-3) H(2)SO(4) containing 0.10 mol dm(-3) NaCl. The numerical reconstruction method has been proved to be an effective technique to detect changes of solution concentration. One can obtain direct information from the reconstructed images and capture subtle more revealing changes. It provides a method to detect localized corrosion arising from scratches.

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