AZ31镁合金在不同电解液中的电化学行为
Electrochemical Behavior of AZ31 Magnesium Alloy in Different Electrolytes
摘 要
用失重法、线性电位扫描、开路电位、恒电流放电、电化学阻抗谱等方法研究了AZ31镁合金分别在MgSO4、MgBr2和Mg(ClO4)2溶液中的电化学行为.结果表明AZ31镁合金在Mg(ClO4)2溶液中的电化学特性相对较好:自腐蚀速率小、放电效率高、电压滞后时间短、放电电压平稳.
镁合金
电解液
电化学行为
AZ31
magnesium alloy
electrolyte
electrochemical behaviour
Abstract
The electrochemical behaviour of AZ31 magnesium alloy in MgSO4,MgBr2 and Mg(ClO4)2 solutions was investigated by linear potential scan,constant current discharge,EIS impedance and weight loss measurements.The results showed that AZ31 magnesium alloy has better electrochemical characteristics in Mg(ClO4)2 solution i.e.,smaller corrosion rate,higher discharge efficiency,shorter discharge delay-time and discharge potential than in MgSO4 and MgBr2 solutions.
中图分类号 TM911 TG174.2+1
所属栏目 试验研究
基金项目 重庆市科技攻关计划项目(CSTC2008AC4088)
收稿日期 2009/2/27
修改稿日期 2009/4/16
网络出版日期
作者单位点击查看
备注陈昌国,教授.
引用该论文: YAO Yu-fen,CHEN Chang-guo,ZHANG Pei-hong,LIU Yu-ping,LI Lei-guang,LEI Shu. Electrochemical Behavior of AZ31 Magnesium Alloy in Different Electrolytes[J]. Corrosion & Protection, 2010, 31(2): 121～124
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参考文献
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【5】彭成红,朱 敏.镁电池研究进展[J].电池,2003,33(2):121-123.
【6】封雪松,熊中平,司玉军,等.AZ31和AZ61镁合金在MgSO4溶液中的电化学行为对比[J].腐蚀与防护,2007,28(11):553-555.
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【8】张汉茹.镁合金在溶液中的腐蚀行为[D].兰州:兰州理工大学,2004:35-36.
【9】陈 军,陶占良,苟兴龙.化学电源-原理、技术与应用[M].北京:化学工业出版社,2006.
【10】宋光铃.镁合金的腐蚀与防护[M].北京:化学工业出版社,2006.
【2】Sivashanmugam A,Prem Kumar T,Renganathan N G,et al.Performance of a magnesium-lithium alloy as an anode for magnesium batteries[J].Applied Electrochemistry,2004,34:1135-1139.
【3】Munichandraiah N.Electrochemical impedance studies of a decade-aged magnesium/manganese dioxide primary cell[J].Applied Electrochemistry,1999,29:463-471.
【4】杨维谦,杨少华,孙公权,等.镁燃料电池的发展及应用[J].电源技术,2005,29(3):182-186.
【5】彭成红,朱 敏.镁电池研究进展[J].电池,2003,33(2):121-123.
【6】封雪松,熊中平,司玉军,等.AZ31和AZ61镁合金在MgSO4溶液中的电化学行为对比[J].腐蚀与防护,2007,28(11):553-555.
【7】Song G,Atrens A.Crossion mechanisms of magnesium alloys[J].Advanced Engineering Materials,1999,1:15.
【8】张汉茹.镁合金在溶液中的腐蚀行为[D].兰州:兰州理工大学,2004:35-36.
【9】陈 军,陶占良,苟兴龙.化学电源-原理、技术与应用[M].北京:化学工业出版社,2006.
【10】宋光铃.镁合金的腐蚀与防护[M].北京:化学工业出版社,2006.
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