Abstract
Cover: There are concerns about the acid of refrigerant oils (inside piping) and corrosion by the salts in seawater (outside piping) for industrial piping. Corrosion-resistant characteristics of various aluminum alloys were investigated by accelerated degradation tests with changing storage conditions, such as temperature and atmosphere. The results from immersion tests in a refrigerant and cyclic corrosion tests (intermittent cycles between salt mist and drying) proved that aluminum alloys can be used for refrigerant piping. More detailed information can be found in: Seiji Uchiyama, Satoshi Uemura, Koji Hiraoka, Yuji Kimura, Shiro Seki, Corrosion and degradation behavior of aluminum and copper refrigerant piping, Materials and Corrosion 2023, 74, 344.
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