A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Corrosion behaviour of copper tube in hot water supply systems
This paper describes a comprehensive survey of the causes of corrosion problems in copper tubing used in hot water supply systems for buildings. In particular, the effects of HCO3(-)/SO4(2-) ratio, residual chlorine and SiO2 on pitting corrosion and possible countermeasures are examined in depth from a new viewpoint. Also, the characteristics of pitting corrosion resistant alloy ANPIC-TUBE and results of its field tests are reported. The small amounts of Al and Sn in this Cu-Al-Sn alloy suppress the rise in free potential of copper tube in hot water containing residual chlorine and improve in this way the pitting corrosion resistance.
Corrosion behaviour of copper tube in hot water supply systems
This paper describes a comprehensive survey of the causes of corrosion problems in copper tubing used in hot water supply systems for buildings. In particular, the effects of HCO3(-)/SO4(2-) ratio, residual chlorine and SiO2 on pitting corrosion and possible countermeasures are examined in depth from a new viewpoint. Also, the characteristics of pitting corrosion resistant alloy ANPIC-TUBE and results of its field tests are reported. The small amounts of Al and Sn in this Cu-Al-Sn alloy suppress the rise in free potential of copper tube in hot water containing residual chlorine and improve in this way the pitting corrosion resistance.
Corrosion behaviour of copper tube in hot water supply systems
Korrosionsverhalten von Kupferrohr in Heisswasserversorgungssystemen
Minamoto, K. (author) / Inagaki, S. (author)
Kobelco Technology Review ; 22-25
1990
4 Seiten, 6 Bilder, 1 Tabelle, 10 Quellen
Article (Journal)
English
LOCHKORROSION , KORROSIONSMECHANISMUS , WASSERVERSORGUNG , KONZENTRATIONSEINFLUSS , KORROSIONSPRODUKT , KORROSIONSBESTAENDIGKEIT , ELEKTROCHEMISCHES POTENTIAL , KORROSIONSPOTENZIAL , STROEMUNGSGESCHWINDIGKEIT , EROSIONSKORROSION , OXIDSCHICHT , PH WERT , TEMPERATUREINFLUSS , WASSER , CHLOR , SULFAT , CARBONAT , SILICIUMOXID
Corrosion of Copper Tubing in Hot Water Supply Systems
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