A research of the influence of the content and purification of CNTs on the property of composites

Firstly, purify Carbon nanotubes (CNTs) with mixed acid(the volume ratio of concentrated nitric acid to concentrated sulfuric acid is 1:3), secondly, manufacture CNTs/Al2024 composites with different CNTs content by adopting high-energy ball milling method, thirdly, shape the mix powder by using col...

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Bibliographic Details
Published inIntegrated ferroelectrics Vol. 180; no. 1; pp. 1 - 11
Main Authors Wei, Zhu, Xiao-lan, Cai, Zhong-wen, Xu, Lei, Zhou, Zi-yang, Wang
Format Journal Article
LanguageEnglish
Published Philadelphia Taylor & Francis 04.05.2017
Taylor & Francis Ltd
Subjects
Bonding strength
Carbon nanotubes
Cold pressing
High-energy ball milling
Interfacial bonding
mechanical properties
Nanotubes
Nitric acid
purification
Sintering (powder metallurgy)
Sulfuric acid
Tensile strength
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Summary:Firstly, purify Carbon nanotubes (CNTs) with mixed acid(the volume ratio of concentrated nitric acid to concentrated sulfuric acid is 1:3), secondly, manufacture CNTs/Al2024 composites with different CNTs content by adopting high-energy ball milling method, thirdly, shape the mix powder by using cold-pressing and sintering methods. When the content of CNTs and milling time were 1.5 wt% and 2.5 h, CNTs would disperse homogeneously with a good interfacial bonding between CNTs and Al-2024. Under this conditions, the tensile strength of the composites was 254.4 MPa compared to the matrix, up to 77.2% in tensile strength.
ISSN:1058-4587
1607-8489
DOI:10.1080/10584587.2017.1324728