Mg-Al系镁合金的耐蚀性能研究进展
Research Progress on Corrosion Resistance of Mg-Al Magnesium Alloy
摘 要
镁合金作为绿色轻质结构材料被广泛应用于工业生产，但耐蚀性较差制约着其发展。与其他系列镁合金相比，Mg-Al系镁合金具有更优异的耐蚀性。着重介绍了Mg-Al二元合金的腐蚀特点、机理。分析了第三项合金元素对α相自腐蚀电位，第二相析出相的种类、数量、分布，杂质元素（Fe/Cu/Ni）容许极限的影响。热处理和热变形工艺（如：热轧、热挤压）对微观组织结构的影响，并讨论了相应的腐蚀特性变化。概述了Mg-Al系合金常用表面处理技术及防护效果。
耐蚀性
Mg17Al12
热处理
热轧
表面处理
Mg-Al alloy
corrosion resistance
Mg17Al12
heat treatment
hot rolling
surface treatment
Abstract
Magnesium alloys as a green light structural materials are widely used in industry. However, the poor corrosion resistance is a challenge which limits their wider application. Mg-Al series alloys exhibit better corrosion properties, as compared with other Mg alloys. The corrosion characteristics and mechanism of Mg-Al binary alloy are introduced. The influence of alloying elements on the corrosion performance is analyzed. The effects of heat treatment and deformation, especially hot rolling and extrusion deformation on the corrosion resistance of Mg-Al alloy are discussed. The advantages and disadvantages of the commonly used protective technology on the surface of Mg-Al alloy are reviewed.
中图分类号 TG146.2 DOI 10.11973/fsyfh-201809001
所属栏目 专论
基金项目 国家重点研发计划（2016YFB0701201；2016YFB0701203；2017YFB1103701）；国家自然科学基金（51671101；51464034；51062003；11564025）；江西省自然科学基金（Nos.20172BCB22002；20171BCD40003；20161ACB21003；20162BCB23013）；江西省教育厅重点计划（GJJ150010）
收稿日期 2017/3/20
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引用该论文: WU Jin,LUO Lan,LIU Yong,XIONG Tinghui. Research Progress on Corrosion Resistance of Mg-Al Magnesium Alloy[J]. Corrosion & Protection, 2018, 39(9): 651
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参考文献
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【10】LIU L J,SCHLESINGER M. Corrosion of magnesium and its alloys[J]. Corrosion Science,2009,51(8):1733-1737.
【11】SHI Z,LIU M,ATRENS A. Measurement of the corrosion rate of magnesium alloys using tafel extrapolation[J]. Corrosion Science,2010,52(2):579-588.
【12】BRADY M P,FAYEK M,ELSENTRIECY H H,et al. Tracer film growth study of hydrogen and oxygen from the corrosion of magnesium in water[J]. Journal of the Electrochemical Society,2014,161(9):C395-C404.
【13】UNOCIC K A,ELSENTRIECY H H,BRADY M P,et al. Transmission electron microscopy study of aqueous film formation and evolution on magnesium alloys[J]. Journal of the Electrochemical Society,2014,161(6):C302-C311.
【14】BRADY M P,ROTHER G,ANOVITZ L M,et al. Film breakdown and nano-porous Mg(OH)2 formation from corrosion of magnesium alloys in salt solutions[J]. Journal of the Electrochemical Society,2015,162(4):140-149.
【15】HARA N,KOBAYASHI Y,KAGAYA D,et al. Formation and breakdown of surface films on magnesium and its alloys in aqueous solutions[J]. Corrosion Science,2007,49(1):166-175.
【16】SONG G,BOWLES A L,STJOHN D H. Corrosion resistance of aged die cast magnesium alloy AZ91D[J]. Materials Science & Engineering A,2004,366(1):74-86.
【17】SONG G,ATRENS A,WU X,et al. Corrosion behaviour of AZ21,AZ501 and AZ91 in sodium chloride[J]. Corrosion Science,1998,40(10):1769-1791.
【18】WEI L Y,WESTENGEN H,AUNE T K,et al. Magnesium technology 2000[M]. Warrendale,Pa:TMS,2000:153.
【19】LUNDER O,LEIN J E,AUNE T K,et al. The role of Mg17Al12 phase in the corrosion of Mg alloy AZ91[J]. Corrosion,1989,45(9):741-748.
【20】HERMANN F,SOMMER F,JONES H,et al. Corrosion inhibition in magnesium-aluminium-based alloys induced by rapid solidification processing[J]. Journal of Materials Science,1989,24(7):2369-2379.
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【22】SINGH R R K. The role of microstructure in localized corrosion of magnesium alloys[J]. Metallurgical and Materials Transactions A,2004,35(8):2525-2531.
【23】白力静,张华,袁颖,等. β-Mg17Al12相含量对AZ91镁合金腐蚀行为的影响[J]. 西安大理工学学报,2011,27(1):31-35.
【24】SONG G L,ATRENS A. Corrosion mechanisms of magnesium alloys[J]. Advanced Engineering Materials,1999,1(1):11-33.
【25】范晓明,万朋,文红艳. Mn含量对含铁AZ91D镁合金铸态组织与性能的影响[J]. 中国铸造装备与技术,2008(6):16-18.
【26】陈先华,王敬丰,汤爱涛,等. 杂质元素对镁合金组织与性能的影响及其对应措施[J]. 材料导报,2010,24(3):37-41.
【27】ESMAILY M,BLVCHER D B,SVENSSON J E,et al. New insights into the corrosion of magnesium alloys-the role of aluminum[J]. Scripta Materialia,2016,115:91-95.
【28】高慧. 适用于镁合金的高效缓蚀剂的研究[D]. 重庆:西南大学,2011.
【29】MÖ P,MM A. Magnesium alloying,some potentials for alloy development[J]. Journal of Japan Institute of Light Metals,1992,42(12):679-686.
【30】GARBOGGINI A,MCSHANE H B. Effect of zinc and silicon additions on structure and properties of rapidly solidified Mg-Al alloys[J]. Materials Science and Technology,1994,10(9):763-770.
【31】FENG H,LIU S,DU Y,et al. Effect of the second phases on corrosion behavior of the Mg-Al-Zn alloys[J]. Journal of Alloys and Compounds,2017,695:2330-2338.
【32】MAKAR G L,KRUGER J. Corrosion studies of rapidly solidified magnesium alloys[J]. Journal of the Electrochemical Society,1990,137(2):414-421.
【33】TSUCHIYA T,WATANABE K,MATSUDA K,et al. Effect of Al and Mn contents on microstructure in AM-series magnesium alloys[J]. Advanced Materials Research,2011,409:358-361.
【34】薛俊峰. 镁合金防腐蚀技术[M]. 北京:化学工业出版社,2010.
【35】张诗昌,段汉桥,蔡启舟,等. 主要合金元素对镁合金组织和性能的影响[J]. 铸造,2001,50(6):310-315.
【36】MATSUBARA H,ICHIGE Y,FUJITA K,et al. Effect of impurity Fe on corrosion behavior of AM50 and AM60 magnesium alloys[J]. Corrosion Science,2013,66:203-210.
【37】宋佩维. 往复挤压Mg-Al-Si合金的组织、性能及强化机制[D]. 西安:西安理工大学,2007.
【38】LI G Q,WU G H,FAN Y,et al. Effect of the main alloying elements on microstructure and corrosion resistance of magnesium alloys[J]. Zhuzao Jishu (Foundry Technology),2006,27(1):79-83.
【39】LUNDER O,NISANCIOGLU K,HANSEN R S. Corrosion of die cast magnesium-aluminum alloys[R]. SAE Technical Paper,1993.
【40】HILLIS J E,SHOOK S O. Composition and performance of an improved magnesium AS41 alloy[R]. SAE Technical Paper,1989.
【41】WEI L Y. Development of microstructure in cast magnesium alloys[D]. Goteborg:Chalmers University of Technology,1990.
【42】张芳君. 合金化元素对镁合金耐蚀性能的影响[D]. 重庆:重庆大学,2012.
【43】王喜峰,齐公台. 混合稀土对AZ91镁合金在NaCl溶液中腐蚀行为的影响[J]. 材料开发与应用,2002,17(5):34-36.
【44】段汉桥,王立世,蔡启舟,等. 稀土对AZ91镁合金耐腐蚀性能的影响[J]. 中国机械工程,2003,14(20):1789-1793.
【45】ZHOU W,SHEN T,AUNH N N. Effect of heat treatment on corrosion behaviour of magnesium alloy AZ91D in simulated body fluid[J]. Corrosion Science,2010,52(3):1035-1041.
【46】NEIL W C,FORSYTH M,HOWLETT P C,et al. Corrosion of heat treated magnesium alloy ZE41[J]. Corrosion Science,2011,53(10):3299-3308.
【47】SONG G,ATRENS A,DARGUSCH M. Influence of microstructure on the corrosion of die cast AZ91D[J]. Corrosion Science,1998,41(2):249-273.
【48】RALSTON K D,BIRBILIS N,DAVIES C H J. Revealing the relationship between grain size and corrosion rate of metals[J]. Scripta Materialia,2010,63(12):1201-1204.
【49】CAO F,SONG G L,ATRENS A. Corrosion and passivation of magnesium alloys[J]. Corrosion Science,2016,111:835-845.
【50】LIAO H,ZHOU X,LI H,et al. Effect of aging time on corrosion behavior of as-forged AZ80 magnesium alloy[J]. Transactions of Nonferrous Metals Society of China,2015,25(12):3921-3927.
【51】SONG G L,XU Z Q. The surface, microstructure and corrosion of magnesium alloy AZ31 sheet[J]. Electrochimica Acta,2010,55(13):4148-4161.
【52】苏丽新. 热处理工艺对压铸镁合金AM50性能的影响[D]. 长春:长春工业大学,2016.
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