The Effect of Interfacial Transition Zone Properties on the Elastic Properties of Cementitious Nanocomposite MaterialsReportar como inadecuado




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Journal of Nanomaterials - Volume 2015 2015, Article ID 258384, 13 pages -

Research Article

Department of Civil and Architectural Engineering, Qatar University, P.O. Box 2713, Doha, Qatar

Institute Center for Energy, Mechanical and Materials Engineering Department, Masdar Institute of Science and Technology, P.O. Box 54224, Abu Dhabi, UAE

Department of Construction Management, University of Houston, Houston, TX 77204-4020, USA

Department of Civil Engineering, Jordan University of Science and Technology, P.O. Box 3030, Irbid 22110, Jordan

Received 25 March 2015; Accepted 31 March 2015

Academic Editor: Stefano Bellucci

Copyright © 2015 Ala G. Abu Taqa et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

A parametric study was conducted to explore the effect of the interfacial transition zone ITZ or interphase on the overall elastic modulus of the CNT-reinforced cement. The effect of the ITZ properties on the elastic modulus of the CNT-reinforced cement was investigated using a four-phase axisymmetric model consisting of a single CNT aligned at the center of composite unit cell, an interface, an ITZ or interphase, and a cement matrix. The CNT and cement matrix were assumed fully elastic while the interface was modeled using a cohesive surface framework. The width and mechanical properties of the ITZ and the interface were found to affect significantly the elastic modulus and the behavior of the composite material.





Autor: Ala G. Abu Taqa, Rashid K. Abu Al-Rub, Ahmed Senouci, Nasser Al-Nuaimi, and Khaldoon A. Bani-Hani

Fuente: https://www.hindawi.com/



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