Effects of annealing treatment on the microstructure and corrosion behavior of hot rolled AZ31 Mg alloy

The annealing treatments were conducted at various temperatures and time using hot rolled AZ31 Mg sheets. The effects of annealing temperature and time on the microstructure and corrosion rate were investigated. The rolled AZ31 Mg consisted of coarse deformed grains with high stored energy, deformat...

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Autores principales:	Hao Chen, Jianwei Tang, Weiwei Gong, Yunpeng Gao, Feng Tian, Liang Chen
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Mg alloy Annealing Microstructure Recrystallization Corrosion rate Mining engineering. Metallurgy TN1-997
Acceso en línea:	https://doaj.org/article/1f3f1d6d779a4e4d974010e34bce64f8
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spelling	oai:doaj.org-article:1f3f1d6d779a4e4d974010e34bce64f82021-11-06T04:29:38ZEffects of annealing treatment on the microstructure and corrosion behavior of hot rolled AZ31 Mg alloy2238-785410.1016/j.jmrt.2021.10.099https://doaj.org/article/1f3f1d6d779a4e4d974010e34bce64f82021-11-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2238785421012357https://doaj.org/toc/2238-7854The annealing treatments were conducted at various temperatures and time using hot rolled AZ31 Mg sheets. The effects of annealing temperature and time on the microstructure and corrosion rate were investigated. The rolled AZ31 Mg consisted of coarse deformed grains with high stored energy, deformation twins, and recrystallized grains with free strain, showing the highest corrosion rate of 10.3 mm/year. The annealing effectively slowed down the corrosion rate of AZ31 Mg by increasing the grain size and decreasing the numbers of dislocations, twins and second phase particles. A high annealing temperature of 450 °C and a long holding time of 5 h further reduced the corrosion rate of AZ31 Mg to quite low level of 3.5 mm/year.Hao ChenJianwei TangWeiwei GongYunpeng GaoFeng TianLiang ChenElsevierarticleMg alloyAnnealingMicrostructureRecrystallizationCorrosion rateMining engineering. MetallurgyTN1-997ENJournal of Materials Research and Technology, Vol 15, Iss , Pp 4800-4812 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Mg alloy Annealing Microstructure Recrystallization Corrosion rate Mining engineering. Metallurgy TN1-997
spellingShingle	Mg alloy Annealing Microstructure Recrystallization Corrosion rate Mining engineering. Metallurgy TN1-997 Hao Chen Jianwei Tang Weiwei Gong Yunpeng Gao Feng Tian Liang Chen Effects of annealing treatment on the microstructure and corrosion behavior of hot rolled AZ31 Mg alloy
description	The annealing treatments were conducted at various temperatures and time using hot rolled AZ31 Mg sheets. The effects of annealing temperature and time on the microstructure and corrosion rate were investigated. The rolled AZ31 Mg consisted of coarse deformed grains with high stored energy, deformation twins, and recrystallized grains with free strain, showing the highest corrosion rate of 10.3 mm/year. The annealing effectively slowed down the corrosion rate of AZ31 Mg by increasing the grain size and decreasing the numbers of dislocations, twins and second phase particles. A high annealing temperature of 450 °C and a long holding time of 5 h further reduced the corrosion rate of AZ31 Mg to quite low level of 3.5 mm/year.
format	article
author	Hao Chen Jianwei Tang Weiwei Gong Yunpeng Gao Feng Tian Liang Chen
author_facet	Hao Chen Jianwei Tang Weiwei Gong Yunpeng Gao Feng Tian Liang Chen
author_sort	Hao Chen
title	Effects of annealing treatment on the microstructure and corrosion behavior of hot rolled AZ31 Mg alloy
title_short	Effects of annealing treatment on the microstructure and corrosion behavior of hot rolled AZ31 Mg alloy
title_full	Effects of annealing treatment on the microstructure and corrosion behavior of hot rolled AZ31 Mg alloy
title_fullStr	Effects of annealing treatment on the microstructure and corrosion behavior of hot rolled AZ31 Mg alloy
title_full_unstemmed	Effects of annealing treatment on the microstructure and corrosion behavior of hot rolled AZ31 Mg alloy
title_sort	effects of annealing treatment on the microstructure and corrosion behavior of hot rolled az31 mg alloy
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/1f3f1d6d779a4e4d974010e34bce64f8
work_keys_str_mv	AT haochen effectsofannealingtreatmentonthemicrostructureandcorrosionbehaviorofhotrolledaz31mgalloy AT jianweitang effectsofannealingtreatmentonthemicrostructureandcorrosionbehaviorofhotrolledaz31mgalloy AT weiweigong effectsofannealingtreatmentonthemicrostructureandcorrosionbehaviorofhotrolledaz31mgalloy AT yunpenggao effectsofannealingtreatmentonthemicrostructureandcorrosionbehaviorofhotrolledaz31mgalloy AT fengtian effectsofannealingtreatmentonthemicrostructureandcorrosionbehaviorofhotrolledaz31mgalloy AT liangchen effectsofannealingtreatmentonthemicrostructureandcorrosionbehaviorofhotrolledaz31mgalloy
_version_	1718443839405948928

Effects of annealing treatment on the microstructure and corrosion behavior of hot rolled AZ31 Mg alloy

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