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Microstructure evolution and hot deformation behavior of carbon nanotube reinforced 2009Al composite with bimodal grain structure
Ma, K.1,2; Liu, Z. Y.1; Bi, S.1,2; Zhang, X. X.1; Xiao, B. L.1; Ma, Z. Y.1,3
Corresponding AuthorLiu, Z. Y.(zyliu@imr.ac.cn) ; Xiao, B. L.(blxiao@imr.ac.cn)
2021-04-20
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume70Pages:73-82
AbstractThe hot deformation behaviors of the bimodal carbon nanotube reinforced 2009Al (CNT/2009Al) composite were studied by establishing processing map and characterizing the microstructure evolution. The results indicate that the grain size in the ultra-fine grained zones was stable during hot deformation, while the coarse grained zones were elongated with their long axis directions tending to be perpendicular to the compression direction. Low temperature with high strain rate (LTHR), as well as high temperature with low strain rate (HTLR) could increase the length/width ratio of the coarse grained zones. However, LTHR and HTLR could cause the instable deformation. The instable deformation at LTHR was induced by severe intragranular plastic deformation and the localized shear crack, while the instable deformation at HTLR resulted from the more deformation component at the coarse grained zones, and the micro-pore initiation due to CNT re-agglomeration at the boundaries between the coarse and the ultra-fine grained zones. (C) 2021 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
KeywordCarbon nanotube Bimodal Aluminum matrix composite Hot deformation Processing map
Funding OrganizationNational Key R&D Program of China ; Key Research Program of Frontier Sciences, CAS ; National Natural Science Foundation of China ; Youth Innovation Promotion Association CAS ; project of manned spaceflight
DOI10.1016/j.jmst.2020.09.003
Indexed BySCI
Language英语
Funding ProjectNational Key R&D Program of China[2017YFB0703104] ; Key Research Program of Frontier Sciences, CAS[QYZDJ-SSW-JSC015] ; National Natural Science Foundation of China[51931009] ; National Natural Science Foundation of China[51871214] ; National Natural Science Foundation of China[51871215] ; Youth Innovation Promotion Association CAS[2020197] ; project of manned spaceflight[040103]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000621862300008
PublisherJOURNAL MATER SCI TECHNOL
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/161123
Collection中国科学院金属研究所
Corresponding AuthorLiu, Z. Y.; Xiao, B. L.
Affiliation1.Chinese Acad Sci, Shi Changxu Innovat Ctr Adv Mat, Inst Met Res, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, 72 Wenhua Rd, Shenyang 110016, Peoples R China
3.Guilin Univ Technol, Sch Mat Sci & Engn, Guilin 541004, Peoples R China
Recommended Citation
GB/T 7714
Ma, K.,Liu, Z. Y.,Bi, S.,et al. Microstructure evolution and hot deformation behavior of carbon nanotube reinforced 2009Al composite with bimodal grain structure[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2021,70:73-82.
APA Ma, K.,Liu, Z. Y.,Bi, S.,Zhang, X. X.,Xiao, B. L.,&Ma, Z. Y..(2021).Microstructure evolution and hot deformation behavior of carbon nanotube reinforced 2009Al composite with bimodal grain structure.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,70,73-82.
MLA Ma, K.,et al."Microstructure evolution and hot deformation behavior of carbon nanotube reinforced 2009Al composite with bimodal grain structure".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 70(2021):73-82.
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