Carbon nanotube reinforced functionally graded composites

Journal of Material Sciences & Engineering

ISSN: 2169-0022

Open Access

Carbon nanotube reinforced functionally graded composites

K M Liew

City University of Hong Kong, Hong Kong

Keynote: J Material Sci Eng

Abstract :

It is widely accepted that carbon nanotubes (CNTs) are an advanced material possessing high strength and stiffness as well as a high aspect ratio and low density. Research findings have reported the remarkable physical and mechanical properties of CNTs, making them a strong candidate for the reinforcements in polymer composites. The axial Young├ó┬?┬?s modulus of single-walled carbon nanotube arrays with diameters ranging from nanometer to meter scales. The mechanical properties of CNTs are superior to those of carbon fibers. In recent studies, CNTs have been designed to be uniaxially aligned in an axial direction following the functionally graded pattern, leading to a new class of composite material ├ó┬?┬? that is, the CNT reinforced functionally graded composite material. This CNT-reinforced composite can be used in the form of beam, plate or shell structural components. Because of their use in a variety of structures, studies of their mechanical behavior, in terms of bending, buckling, vibration, large deformation, post-buckling and large amplitude vibration have received considerable attention. In this talk, the effects of various geometric and material parameters on the mechanical behavior of CNT reinforced functionally graded structures will be presented.

Biography :

K M Liew is the Head of Department of Architecture and Civil Engineering and Chair Professor of Civil Engineering, City University of Hong Kong. He was a tenured Professor at Nanyang Technological University (Singapore) and the Founding Director of Nanyang Center for Supercomputing and Visualization. Over his academic career, he has published over 650 SCI Journal articles. He is listed by the Institute for Scientific Information (ISI) as a Highly Cited Researcher in Engineering. His publications have been cited over twenty thousand times and his current h-index is 56 (ISI) or 68 (Google Scholar).


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