IMR OpenIR
Deformation behavior and strengthening mechanisms in a CNT-reinforced bimodal-grained aluminum matrix nanocomposite
Mohammed, S. M. A. K.1; Chen, D. L.1; Liu, Z. Y.2; Ni, D. R.2; Wang, Q. Z.2; Xiao, B. L.2; Ma, Z. Y.2
Corresponding AuthorChen, D. L.(dchen@ryerson.ca) ; Ma, Z. Y.(zyma@imr.ac.cn)
2021-06-10
Source PublicationMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
ISSN0921-5093
Volume817Pages:9
AbstractThe aim of this study was to identify deformation behavior and strengthening mechanisms of a carbon nanotube (CNT)-reinforced bimodal-grained Al-Cu-Mg nanocomposite and its base alloy fabricated by two-step ball milling, powder metallurgy and extrusion. A superior strength-ductility synergy stemming from the concurrent presence of ultrafine grains (UFGs) and coarse grains (CGs) was achieved. Singly-dispersed CNTs in UFGs and sound CNT/Al interfacial bond contributed to a significant improvement in the strength of the nanocomposite. The predominant strengthening mechanism in the CNT-reinforced nanocomposite was identified to be Orowan looping due to severe shearing of CNTs into nano-sized fragments during ball milling, along with load-transfer and thermal mismatch-induced dislocation strengthening mechanisms. The predicted yield strength of the nanocomposite was in agreement with the experimental value obtained. The findings in this study help pave the way for developing high-performance lightweight materials with a superior strength-ductility synergy via incorporating CNTs with novel bimodal grain structures.
KeywordMetal matrix nanocomposites Bimodal grain structure Carbon nanotube Deformation behavior Strengthening mechanisms
Funding OrganizationNatural Sciences and Engineering Research Council of Canada (NSERC) ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences, CAS ; National Key R&D Program of China
DOI10.1016/j.msea.2021.141370
Indexed BySCI
Language英语
Funding ProjectNatural Sciences and Engineering Research Council of Canada (NSERC) ; National Natural Science Foundation of China[51931009] ; National Natural Science Foundation of China[51871214] ; National Natural Science Foundation of China[51871215] ; Key Research Program of Frontier Sciences, CAS[QYZDJ-SSW-JSC015] ; National Key R&D Program of China[2017YFB0703104]
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000658867700002
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/160395
Collection中国科学院金属研究所
Corresponding AuthorChen, D. L.; Ma, Z. Y.
Affiliation1.Ryerson Univ, Dept Mech & Ind Engn, Toronto, ON M5B 2K3, Canada
2.Chinese Acad Sci, Inst Met Res, Shi Changxu Innovat Ctr Adv Mat, 72 Wenhua Rd, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Mohammed, S. M. A. K.,Chen, D. L.,Liu, Z. Y.,et al. Deformation behavior and strengthening mechanisms in a CNT-reinforced bimodal-grained aluminum matrix nanocomposite[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2021,817:9.
APA Mohammed, S. M. A. K..,Chen, D. L..,Liu, Z. Y..,Ni, D. R..,Wang, Q. Z..,...&Ma, Z. Y..(2021).Deformation behavior and strengthening mechanisms in a CNT-reinforced bimodal-grained aluminum matrix nanocomposite.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,817,9.
MLA Mohammed, S. M. A. K.,et al."Deformation behavior and strengthening mechanisms in a CNT-reinforced bimodal-grained aluminum matrix nanocomposite".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 817(2021):9.
Files in This Item:
There are no files associated with this item.
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Mohammed, S. M. A. K.]'s Articles
[Chen, D. L.]'s Articles
[Liu, Z. Y.]'s Articles
Baidu academic
Similar articles in Baidu academic
[Mohammed, S. M. A. K.]'s Articles
[Chen, D. L.]'s Articles
[Liu, Z. Y.]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Mohammed, S. M. A. K.]'s Articles
[Chen, D. L.]'s Articles
[Liu, Z. Y.]'s Articles
Terms of Use
No data!
Social Bookmark/Share
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.