Fe含量对Cu-Fe合金耐腐蚀性能影响  

Influence of Fe content on corrosion resistance of Cu-Fe alloy

作　　者：朱睿童 张湘妮 陈德山 朱戴博 王秦威 ZHU Ruitong;ZHANG Xiangni;CHEN Deshan;ZHU Daibo;WANG Qinwei(School of Mechanical Engineering,Xiangtan University,Xiangtan 411105,China;School of Powder Metallurgy Research Institute,Central South University,Changsha 410083,China;Kinkou(Suzhou)Copper Industry Co.LTD,Suzhou 215400,China)

机构地区：[1]湘潭大学机械工程学院,湖南湘潭411105 [2]中南大学粉末冶金学院,湖南长沙410083 [3]苏州金江铜业有限公司,江苏苏州215400

出　　处：《兵器材料科学与工程》2019年第6期62-66,共5页Ordnance Material Science and Engineering

基　　金：湖南省自然基金青年基金（2019JJ50587）;湘潭大学校级科研项目（18QDZ11）

摘　　要：为探究Fe含量对Cu-Fe合金耐腐蚀性能及显微组织的影响,研究3种Cu-Fe合金(Cu-5Fe、Cu-15Fe、Cu-30Fe)在质量分数为5%NaCl盐雾环境中的电极电位、表面形貌和耐蚀性能演变规律。结果表明:随着Fe含量的增加,Cu-Fe合金的耐腐蚀性能逐渐增加,自腐蚀电流密度逐渐降低,容抗弧直径增加,电荷交换阻抗ZRt上升,高致密度的针状富铁腐蚀产物增加,有利于增加Cu-Fe合金的耐蚀能力。To investigate the influence of Fe content on corrosion resistance and microstructure of Cu-Fe alloy,this paper studied electrode potential,surface morphology and corrosion resistance evolution of Cu-5 Fe,Cu-15 Fe and Cu-30 Fe alloys in 5%NaCl salt spray environment.The results show that with the increase of Fe content,the corrosion resistance,charge exchange resistance ZRtand capacitive arc resistance diameter of Cu-Fe alloy increase gradually,while,the self-corrosion current density decreases gradually.The high density needle iron-rich corrosion products are increased with the increase of Fe content,which is beneficial to increase the corrosion resistance of Cu-Fe alloy.

关 键 词：CU-FE合金 耐蚀性能 电化学测试 显微组织 

分 类 号：TG166.2[金属学及工艺—热处理]