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Electrochemical corrosion testing of fasteners in extracts of treated woodAuthor(s): Samuel L. Zelinka; Douglas R. Rammer; Donald S. Stone
Source: Corrosion science. Vol. 50 (2008): Pages 1251-1257.
Publication Series: Miscellaneous Publication
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DescriptionA recent change in wood preservatives has highlighted the need for a rapid, quantitative test to measure the corrosion rates of metals in contact with treated wood that could be used to evaluate new fasteners or new wood preservatives. A new method was developed where polarisation resistance tests were conducted on fasteners exposed to a water extract of wood treated with alkaline copper quaternary (ACQ). Good correlation was found between the corrosion rates using this new method and previous one year exposure data for carbon steel, hot-dip galvanized and electroplated galvanized fasteners. These data suggest that polarisation tests run in wood extract may be an effective, rapid test method to evaluate new fasteners or wood preservatives.
CitationZelinka, Samuel L.; Rammer, Douglas R.; Stone, Donald S. 2008. Electrochemical corrosion testing of fasteners in extracts of treated wood. Corrosion science. Vol. 50 (2008): Pages 1251-1257.
KeywordsCarbon steel, galvanized coatings, wood extractives, alkaline copper quaternary (ACQ), polarisation resistance
- Corrosion of metals in wood : comparing the results of a rapid test method with long-term exposure tests across six wood treatments
- Evaluating the corrosiveness of southern pine treated with several wood preservatives using electrochemical techniques
- Exposure testing of fasteners in preservative treated wood : gravimetric corrosion rates and corrosion product analyses
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