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Madison, WI 53726-2398
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Source: Mittal, K. L.(editor) Silanes and other coupling agents, vol. 5. Leiden : VSP, 2009. 348 p. ISBN: 9789004165915; 2009

Author(s)Zelinka, S.L.; Rammer, D.R.; Stone, D.S.

Publication Year: 2009  View PDF »

Category: Journal Articles
Associated Research Project(s):   FPL-4714-1A   FPL-4723-1

Abstract: Chromated copper arsenate (CCA), the most widely used wood preservative of the past 50 years, has been replaced for most uses with alkaline-copper systems such as alkaline copper quaternary (ACQ), copper azole (CuAz) and micronized copper quaternary (MCQ). Preliminary research using high-temperature, high-humidity environments have shown that some of these wood preservatives are more corrosive than CCA, although it is unclear how the results of these extreme tests correlate to performance at temperatures and humidities seen in-service. Recently, the authors developed an electrochemical method for rapid determination of the corrosion rate for fasteners in water extracts of treated wood. The authors have previously demonstrated good correlation between the electrochemical-extract test and exposure tests of fasteners in ACQ treated Southern pine. This work uses the electrochemical-extract method to examine corrosion of carbon steel and galvanized steel on untreated southern pine, as well as southern pine treated with five different wood preservatives.

Keywords: Wood; polarization resistance; steel; galvanized steel; alkaline copper quaternary; ACQ; chromated copper arsenate; CCA; metals; testing; corrosion; anti-corrosives; fasteners; joints; wood preservatives; electrochemical analysis; stainless steel; electric measurements; plant extracts; accelerated life testing; temperature; humidity; polorization; southern pine; preservative treated wood; treated wood; connectors; preservatives; copper azole; exposure tests; electric properties; wood extractives; accelerated testing; CuAz; micronized copper quaternary; MCQ; alkyl ammonium compound; DDAC

Publication Review Process: Informally Refereed (Peer-Reviewed)

File size: 172 kb(s)

Date posted: 07/15/2010

This publication is also viewable on Treesearch:  view
RITS Product ID: 31004
Current FPL Scientists associated with this product (listed alphabetically)
Rammer, Douglas R.
Research General Engineer
Zelinka, Samuel L.
Materials Research Engineer

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