Sahir, Zalilah Sharer and Sykes, John Malcolm (2011) Investigation of blister formed on coated mild steel using scanning Kelvin Probe. Jurnal Teknologi (Sciences and Engineering), 56 (1). pp. 139-154. ISSN 0127-9696
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Abstract
The degradation of a coated metal in term of the area underneath a blister has been studied after being immersed in 3% sodium chlorida and 3% ammonium chloride solution. Scanning Kelvin probe (SKP) was used to map electrochemical potentials, identifying anodic and cathodic regions underneath a blister and the surrounding coating. For blisters formed on coated panel immersed in sodium chlorida solution, SKP potential map reveals that the blister has formed at a cathode due to alkali but anodes form nearby (not remote). Meanwhile SKP potential map for blister formed on coated panel in 3% ammonium chloride reveals the presence of cathodic regions within the anodic areas.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | coated mild steel |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) |
| Divisions: | Petroleum and Renewable Energy Engineering |
| ID Code: | 45007 |
| Deposited By: | Haliza Zainal |
| Deposited On: | 27 Apr 2015 04:50 |
| Last Modified: | 01 Nov 2017 04:17 |
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