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A platform for research: civil engineering, architecture and urbanism
Effects of flow, brass location, tube materials and temperature on corrosion of brass plumbing devices
Effects of plumbing-specific installation factors on brass corrosion were investigated in a series of pipe-loop experiments. Increased flow velocity increased corrosion rates, but did not affect corrosion type. The presence of copper tubing in the plumbing system increased selectivity of brass corrosion for zinc, unless a galvanic connection was made between copper and brass, in which case corrosion became more uniform and was accelerated. Plastic tubing allowed oxidant (i.e., free chlorine) to persist in water, increasing brass exposure. Additionally, hot water significantly increased lead leaching from brass. These findings may inform future investigations into brass corrosion issues and plumbing designs.
Effects of flow, brass location, tube materials and temperature on corrosion of brass plumbing devices
Effects of plumbing-specific installation factors on brass corrosion were investigated in a series of pipe-loop experiments. Increased flow velocity increased corrosion rates, but did not affect corrosion type. The presence of copper tubing in the plumbing system increased selectivity of brass corrosion for zinc, unless a galvanic connection was made between copper and brass, in which case corrosion became more uniform and was accelerated. Plastic tubing allowed oxidant (i.e., free chlorine) to persist in water, increasing brass exposure. Additionally, hot water significantly increased lead leaching from brass. These findings may inform future investigations into brass corrosion issues and plumbing designs.
Effects of flow, brass location, tube materials and temperature on corrosion of brass plumbing devices
Einfluss der Strömung, des Einbauortes von Messing, des Rohrwerkstoffs und der Temperatur auf die Korrosion von Messingrohrleitungssystemen
Sarver, Emily (author) / Edwards, Marc (author)
Corrosion Science ; 53 ; 1813-1824
2011
12 Seiten, 13 Bilder, 4 Tabellen, 35 Quellen
Article (Journal)
English
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