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Type: Artigo de Periódico
Title: Highly Ordered Carbon-based Nanospheres With High Stiffness
Author: Ozden
S; Tiwary
CS; Yao
JY; Brunetto
G; Bhowmick
S; Asif
S; Vajtai
R; Ajayan
Abstract: Understanding properties of individual nanostructures, such as mechanical properties and deformation mechanism, aid to control their properties for specific applications. Here we report, the mechanical properties of individual boron and nitrogen doped carbon-based nanospheres (CNS) using in-situ nanocompression testing in a scanning electron microscopy (SEM). The in-situ SEM characterizations showed classical sphere deformation during initial loading and it can be deformed till 40-50 percent. Elastic modulus of spheres is 33.3 GPa which has been determined using unloading curves. The mechanical properties of CNS structures are quite outstanding when it is compared to some other conventional nanomaterials such as polymer-based spheres and nanotube structures. (C) 2016 Elsevier Ltd. All rights reserved.
Subject: Carbon
In-situ Mechanical Tests
Elastic Modulus
Citation: Carbon. PERGAMON-ELSEVIER SCIENCE LTD, n. 105, p. 144 - 150.
Rights: fechado
Identifier DOI: 10.1016/j.carbon.2016.04.023
Date Issue: 2016
Appears in Collections:Unicamp - Artigos e Outros Documentos

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