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Introducing graphene (reduced graphene oxide) into Al matrix composites for enhanced high-temperature strength
Zan, Y. N.1,3; Zhang, Q.1,3; Zhou, Y. T.1; Liu, Z. Y.1; Wang, Q. Z.2; Wang, D.1; Xiao, B. L.1; Ren, W. C.1; Ma, Z. Y.1
Corresponding AuthorXiao, B. L.(blxiao@imr.ac.cn) ; Ma, Z. Y.(zyma@imr.ac.cn)
2020-08-15
Source PublicationCOMPOSITES PART B-ENGINEERING
ISSN1359-8368
Volume195Pages:10
AbstractLamellar amorphous Al2O3 (am-Al2O3) in Al2O3/Al composites exhibits extreme strengthening effect on high-temperature strength, but suffers from efficacy loss because of crystallizing into granular gamma-Al2O3 at temperatures over 450 degrees C. Here, based on the existing solution-mixing process, reduced graphene oxide (rGO) sheets were introduced into Al2O3/Al composite to enhance its high-temperature strength for the first time. It was shown that rGO sheets within the am-Al2O3 films could prevent them from transforming into gamma-Al2O3 in the high-temperature hot-pressing processes. As a result, by addition of a very small number of rGO sheets, the composites were strengthened significantly at both room and high temperatures. Strengthening mechanisms at room and high temperatures were discussed. Furthermore, enhanced thermal stability of am-Al2O3 was explained by thermodynamics and kinetics factors. This work provides a novel application of graphene in structural materials.
KeywordAluminium matrix composites Graphene High-temperature strength Mechanical properties Thermal stability
Funding OrganizationKey Research Program of Frontier Sciences, CAS ; National Key R&D Program of China ; Youth Innovation Promotion Association CAS
DOI10.1016/j.compositesb.2020.108095
Indexed BySCI
Language英语
Funding ProjectKey Research Program of Frontier Sciences, CAS[QYZDJ-SSW-JSC015] ; National Key R&D Program of China[2017YFB0703104] ; Youth Innovation Promotion Association CAS[2016179]
WOS Research AreaEngineering ; Materials Science
WOS SubjectEngineering, Multidisciplinary ; Materials Science, Composites
WOS IDWOS:000537834100013
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/139145
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, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Key Lab Nucl Mat & Safety Assessment, 72 Wenhua Rd, Shenyang 110016, Peoples R China
3.Univ Sci & Technol China, Sch Mat Sci & Engn, 72 Wenhua Rd, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Zan, Y. N.,Zhang, Q.,Zhou, Y. T.,et al. Introducing graphene (reduced graphene oxide) into Al matrix composites for enhanced high-temperature strength[J]. COMPOSITES PART B-ENGINEERING,2020,195:10.
APA Zan, Y. N..,Zhang, Q..,Zhou, Y. T..,Liu, Z. Y..,Wang, Q. Z..,...&Ma, Z. Y..(2020).Introducing graphene (reduced graphene oxide) into Al matrix composites for enhanced high-temperature strength.COMPOSITES PART B-ENGINEERING,195,10.
MLA Zan, Y. N.,et al."Introducing graphene (reduced graphene oxide) into Al matrix composites for enhanced high-temperature strength".COMPOSITES PART B-ENGINEERING 195(2020):10.
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