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Fabrication of aluminum matrix composites reinforced with Ni-coated graphene nanosheets
Guan, R.; Wang, Y.; Zheng, S.; Su, N.; Ji, Z.; Liu, Z.; An, Y.; Chen, B.
2019-04-29
Source PublicationMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
ISSN0921-5093
Volume754Pages:437-446
AbstractHomogeneous graphene dispersion and suitable interface bonding are two key challenges to realize the high strengthening potential of graphene in metal matrix composites (MMCs). In this study, graphene nanosheets (GNSs) with deposited nickel (Ni) nanoparticles were synthesized to simultaneously overcome the two challenges. Ni-coated-GNS-reinforced aluminum (Al) MMCs were fabricated by graphene synthesis, Ni decoration and subsequent powder metallurgy. It was revealed that Ni-coated GNSs exhibited noticeably enhanced strengthening effect compared with graphene reinforcements in most previous studies. With the addition of 1.5 wt% Ni-coated GNSs, the composites exhibited 132% higher strength than that of unreinforced aluminum. The enhancement in Vickers hardness and Young's modulus further confirmed the remarkable strengthening effect. The high strength and high Young's modulus were examined by strengthening models, and a comparison between experimental and theoretical values was reached. The main strengthening mechanisms in the Ni-coated GNSs/AI composites were clarified as dislocation-related ones.
KeywordMetal matrix composites Graphene Dispersion Interface Strengthening Nickel
Indexed BySCI
Language英语
WOS IDWOS:000466249400044
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/81163
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Guan, R.,Wang, Y.,Zheng, S.,et al. Fabrication of aluminum matrix composites reinforced with Ni-coated graphene nanosheets[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2019,754:437-446.
APA Guan, R..,Wang, Y..,Zheng, S..,Su, N..,Ji, Z..,...&Chen, B..(2019).Fabrication of aluminum matrix composites reinforced with Ni-coated graphene nanosheets.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,754,437-446.
MLA Guan, R.,et al."Fabrication of aluminum matrix composites reinforced with Ni-coated graphene nanosheets".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 754(2019):437-446.
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