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Enhancing strengthening efficiency of graphene nano-sheets in aluminum matrix composite by improving interface bonding
Liu, Z. Y.1; Wang, L. H.1; Zan, Y. N.1; Wang, W. G.2; Xiao, B. L.1; Wang, D.1; Wang, Q. Z.1; Ni, D. R.1; Ma, Z. Y.1
Corresponding AuthorXiao, B. L.(blxiao@imr.ac.cn) ; Ma, Z. Y.(zyma@imr.ac.cn)
2020-10-15
Source PublicationCOMPOSITES PART B-ENGINEERING
ISSN1359-8368
Volume199Pages:11
AbstractThree 0.3 vol% graphene nano-sheet reinforced Al composites (GNS/Al), namely forged GNS/Al-4Cu, extruded GNS/Al-4Cu and forged GNS/Al-4Cu-1Mg, with different graphene-Al interfaces were prepared by wet mixing of graphene oxide aqueous solution and flaky Al powders, thermal reduction and subsequent powder metallurgy route. Their strengthening behaviors related with interface bonding were investigated, with the help of high resolution transmission electron microscopy, X-ray photoelectron spectroscopy and interface bonding test of specially designed model materials. In the forged composite, amorphous Al2O3 layer was observed between GNS and Al, resulting in a weak bonding of GNS and Al with interface shear strength of 117 MPa and normal strength of 227 MPa. In this case, nearly no strengthening effect was achieved by GNS addition. Using extruding to replace forging or adding Mg element could respectively break or exhaust amorphous Al2O3 layers, leading to improved graphene-Al interface bonding strength due to high fraction of Al-C ionic bond, thereby significantly increasing the strengthening effect of GNS. The best strengthening efficiency with a strengthening factor of similar to 33 was achieved in the forged GNS/Al-4Cu-1Mg due to strong interface shear strength of 209 MPa and normal strength of 402 MPa.
KeywordMetal-matrix composites Interface Mechanical properties Strength
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
DOI10.1016/j.compositesb.2020.108268
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[51501189] ; Youth Innovation Promotion Association CAS[2020197]
WOS Research AreaEngineering ; Materials Science
WOS SubjectEngineering, Multidisciplinary ; Materials Science, Composites
WOS IDWOS:000571760800004
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:60[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/140568
Collection中国科学院金属研究所
Corresponding AuthorXiao, B. L.; Ma, Z. Y.
Affiliation1.Chinese Acad Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China
2.Liaoning Shihua Univ, 1 Dandong Rd, Fushun 113001, Peoples R China
Recommended Citation
GB/T 7714
Liu, Z. Y.,Wang, L. H.,Zan, Y. N.,et al. Enhancing strengthening efficiency of graphene nano-sheets in aluminum matrix composite by improving interface bonding[J]. COMPOSITES PART B-ENGINEERING,2020,199:11.
APA Liu, Z. Y..,Wang, L. H..,Zan, Y. N..,Wang, W. G..,Xiao, B. L..,...&Ma, Z. Y..(2020).Enhancing strengthening efficiency of graphene nano-sheets in aluminum matrix composite by improving interface bonding.COMPOSITES PART B-ENGINEERING,199,11.
MLA Liu, Z. Y.,et al."Enhancing strengthening efficiency of graphene nano-sheets in aluminum matrix composite by improving interface bonding".COMPOSITES PART B-ENGINEERING 199(2020):11.
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