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Effects of magnetic field and hot rolling on microstructures and properties of cryoECAPed 1050 aluminum alloy during annealing
Cao, Yi-heng; He, Li-zi; Zhang, Lin; Zhou, Yi-zhou; Wang, Ping; Cui, Jian-zhong; He, LZ (reprint author), Northeastern Univ, Minist Educ, Key Lab Electromagnet Proc Mat, Shenyang 110819, Peoples R China.
2016-03-01
Source PublicationTRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
ISSN1003-6326
Volume26Issue:3Pages:620-626
AbstractThe evolution of hardness and microstructures of 1050 aluminum alloy prepared by hot rolling and subsequent equal-channel angular pressing at cryogenic temperature (cryoECAP) after annealing at 150-400 degrees C for 1 h without and with magnetic field of 12 T was investigated. The electron back scattering diffraction pattern (EBSD) and transmission electron microscopy (TEM) were utilized to characterize the grain microstructures and dislocations. It is demonstrated that the hot rolling before cryoECAP produces more equiaxed grains with a smaller average size and a higher fraction of high angle boundaries (HABs) in the subsequent cryoECAPed 1050 aluminum alloy, thus accelerating the recovery and recrystallization of cryoECAPed alloy and produces more homogeneous microstructure during annealing. The magnetic field promotes the recovery and recrystallization and leads to much lower hardness at 150-250 degrees C, while it can suppress the abnormal grain growth and form more homogeneous grain size distributions annealed at 300-400 degrees C.
description.department[cao, yi-heng ; he, li-zi ; wang, ping ; cui, jian-zhong] northeastern univ, minist educ, key lab electromagnet proc mat, shenyang 110819, peoples r china ; [zhang, lin] northeastern univ, sch mat sci & engn, shenyang 110819, peoples r china ; [zhou, yi-zhou] chinese acad sci, inst met res, shenyang 110016, peoples r china
Keyword1050 Aluminum Alloy Magnetic Annealing Hot Rolling Cryoecap Hardness Grain Growth
Subject AreaMetallurgy & Metallurgical Engineering
Funding OrganizationState Basic Research Development Program of China [2011CB606403, 2012CB723307]; National Natural Science Foundation of China [51171044, 51174058]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/75938
Collection中国科学院金属研究所
Corresponding AuthorHe, LZ (reprint author), Northeastern Univ, Minist Educ, Key Lab Electromagnet Proc Mat, Shenyang 110819, Peoples R China.
Recommended Citation
GB/T 7714
Cao, Yi-heng,He, Li-zi,Zhang, Lin,et al. Effects of magnetic field and hot rolling on microstructures and properties of cryoECAPed 1050 aluminum alloy during annealing[J]. TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,2016,26(3):620-626.
APA Cao, Yi-heng.,He, Li-zi.,Zhang, Lin.,Zhou, Yi-zhou.,Wang, Ping.,...&He, LZ .(2016).Effects of magnetic field and hot rolling on microstructures and properties of cryoECAPed 1050 aluminum alloy during annealing.TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,26(3),620-626.
MLA Cao, Yi-heng,et al."Effects of magnetic field and hot rolling on microstructures and properties of cryoECAPed 1050 aluminum alloy during annealing".TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA 26.3(2016):620-626.
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