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Microstructure and Fracture Surfaces of Carbon Nanotubes/Magnesium Matrix Composite

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Abstract:

Using carbon nanotubes (CNTs) as reinforced phase, it was made to carbon nanotubes/Magnesium matrix composite by the foundry method in Argon gas protection. The experiment results show that CNTs can strengthen the mechanical properties of the CNTs/Magnesium matrix composite, and tensile strength and elongation ratio are greatly improved. Furthermore, the plating CNTs are better than un-plating CNTs in strengthening effects. Additionally the quantity of CNTs can not be too great, or the properties will be descended to a great extent without distraction of CNTs. Tensile strength has been higher by 150 % and the elongation ratio is higher by 30 % than matrix’s at best, and the fracture of the composite sample has a character of dimples.

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Periodical:

Materials Science Forum (Volumes 488-489)

Pages:

893-896

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.488-489.893

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Online since:

July 2005

Authors:

Sinian Li, Souzhi Song, Tianqin Yu, You Shou Zhang, Hong Chen

Keywords:

Carbon Nanotube (CN), Fracture, Mg-Based Composite, Microstructure

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© 2005 Trans Tech Publications Ltd. All Rights Reserved

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