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- W300221570 abstract "Abstract : The corrosion of copper and nine wrought copper alloys is reported for exposures in five tropical environments for one, two, four, eight, and sixteen years. Weight loss, pitting, and change in tensile strength were measured to evaluate corrosion resistance. Higher corrosion rates are shown for tropical sea water immersion and tropical marine atmosphere than similar exposures in temperate climates. Of the various alloys studied, 5% Al bronze showed the highest general corrosion resistance; its 16-year losses in sea water were only 1/5 that of copper. Copper and the high-copper alloys were resistant to all environments and generally had decreasing corrosion rates with time of exposure. Tensile tests revealed heavy dezincification in the lower-copper brasses when exposed in marine environments, and for two of the brasses in fresh water immersion. As a result of the decreasing corrosion rates or dezincification, antifouling properties of copper alloys decreased with time of exposure. All were moderately to heavily fouled after 16 years in sea water. Galvanic effects were pronounced in tropical sea water. The corrosion of copper alloys was accelerated appreciably by contact with stainless steel (316) of 1/7 their area, while similar carbon steel strips gave effective cathodic protection of plates of brass and bronze over the long term." @default.
- W300221570 created "2016-06-24" @default.
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- W300221570 date "1966-10-28" @default.
- W300221570 modified "2023-10-17" @default.
- W300221570 title "CORROSION OF METALS IN TROPICAL ENVIRONMENTS. PART 7. COPPER AND COPPER ALLOYS. SIXTEEN YEARS' EXPOSURE" @default.
- W300221570 doi "https://doi.org/10.21236/ad0644930" @default.
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