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200 Cu奥氏体不锈钢(/%:0.125-0.131C,0.32-0.34Si,8.51-8.73Mn,0.002-0.006S,0.035-0.007P,16.40-16.64Cr,2.53-2.72Ni,2.33-2.38Cu,0.257-0.271N,0-0.064Ce)由10 kg真空感应炉熔炼,锻成25 mm×25 mm方坯,并进行1 150℃2 h水冷的固溶处理。利用重量法和电化学法的交流阻抗和极化曲线技术研究了0-0064%Ce对204Cu不锈钢在25℃3.5%NaCl溶液中耐腐