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Fabrication of CNT/Al composites with low damage to CNTs by a novel solution-assisted wet mixing combined with powder metallurgy processing
Liu, Z. Y.; Zhao, K.; Xiao, B. L.; Wang, W. G.; Ma, Z. Y.; zyma@imr.ac.cn
2016
Source PublicationMATERIALS & DESIGN
ISSN0261-3069
Volume97Pages:424-430
AbstractA novel solution-assisted wet mixing processing was developed to efficiently produce CNT/Al composite powders. CNTs were firstly dispersed in zwitterionic surfactant aqueous solution, and then the flaky Al powders, produced from spherical Al powders by ball milling, were mixed with the CNT solution to adsorb the dispersed CNTs in the solution. It was indicated that CNTs could be uniformly adsorbed onto the flaky Al powders and CNT/Al powders with a maximum CNT concentration of 7.5 vol% could be obtained after filtering and drying. 1.5 and 3 vol% CNT/Al composites were then fabricated using the resultant composite powders through a powder metallurgy route. CNTs with average lengths of 0.9 mu m and well-retained wall structure were uniformly dispersed in the Al matrix and aligned arrangement of CNTs was achieved after hot forging. Furthermore, it was found that most of CNTs were distributed at the grain boundaries and the CNT-Al interfaces were well bonded. The strengths of the CNT/Al composites were significantly increased, which could be attributed to the efficient load transfer of CNTs. (C) 2016 Elsevier Ltd. All rights reserved.
description.department[liu, z. y. ; zhao, k. ; xiao, b. l. ; ma, z. y.] chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, peoples r china ; [wang, w. g.] liaoning shihua univ, 1 dandong rd, fushun 113001, peoples r china
KeywordMetal-matrix Composites Carbon Nanotube Wet Mixing Powder Metallurgy Mechanical Properties Microstructures
Funding OrganizationNational Basic Research Program of China [2011CB932603, 2012CB619600]; CAS/SAFEA International Partnership Program for Creative Research Teams; National Natural Science Foundation of China [51501189]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/74844
Collection中国科学院金属研究所
Corresponding Authorzyma@imr.ac.cn
Recommended Citation
GB/T 7714
Liu, Z. Y.,Zhao, K.,Xiao, B. L.,et al. Fabrication of CNT/Al composites with low damage to CNTs by a novel solution-assisted wet mixing combined with powder metallurgy processing[J]. MATERIALS & DESIGN,2016,97:424-430.
APA Liu, Z. Y.,Zhao, K.,Xiao, B. L.,Wang, W. G.,Ma, Z. Y.,&zyma@imr.ac.cn.(2016).Fabrication of CNT/Al composites with low damage to CNTs by a novel solution-assisted wet mixing combined with powder metallurgy processing.MATERIALS & DESIGN,97,424-430.
MLA Liu, Z. Y.,et al."Fabrication of CNT/Al composites with low damage to CNTs by a novel solution-assisted wet mixing combined with powder metallurgy processing".MATERIALS & DESIGN 97(2016):424-430.
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