EFFECT OF ANNEALING PROCESS ON CORROSION RESISTNCE OF Cu-30Ni ALLOY TUBE IN SEAWATER
退火工艺对Cu-30Ni合金管耐海水腐蚀性能的影响

The corrosion behavior of annealed Cu-30Ni alloy tube in static artificial seawater was studied by electrochemical measurement.The results showed that Ni element was enriched in the original surface film of Cu-30Ni alloy tube after annealing.The Ni-rich original surface had important effect on corrosion resistance of Cu-30Ni alloy tube during short period exposure in seawater because it acted as anode and protected the matrix.The corrosion resistance of Cu-30Ni alloy was better when annealing temperature wa...