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Thermal analysis of randomly oriented carbon nanotube reinforced functionally graded timoshenko beam

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Abstract

The unique thermal properties of carbon nanotubes (CNT) are utilized to increase the use of functionally graded material (FGM) at higher temperatures which resulted in introduction of a new type of material called as functionally graded carbon nanotube-reinforced composites (FG-CNTRCs). To use the FG-CNTRCs at elevated temperatures, their thermal analysis is very important. In this context, this article presents the thermal analysis of a CNT based FG Timoshenko beam. Material properties distribution is assumed to vary along the thickness direction according to power law distribution and linear distributions. Finite difference method is implemented to find out the temperature distribution. Using first order shear deformation theory (FSDT), expressions for strains and stresses are obtained. The results are compared with temperature distribution according to power law. The effect of CNT distribution on strains and stresses is also observed. Based on these results important conclusions have been drawn.

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Authors and Affiliations

  1. Department of Mechanical Engineering, National Institute of Technology, Rourkela, Odisha, 769008, India

    Benedict Thomas, Prasad K. Inamdar & Tarapada Roy

Authors
  1. Benedict Thomas
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  2. Prasad K. Inamdar
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  3. Tarapada Roy
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Correspondence to Tarapada Roy.

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Recommended by Associate Editor Jun-Sik Kim

Tarapada Roy received his B.E. degree in Mechanical Engineering in 2002 and his M.E. degree in Solid Mechanics and Design in 2004 from Bengal Engineering and Science University, Shibpur. He received his Ph.D. from Indian Institute of Technology, Guwahati in July-2009. He is currently working as Assistant Professor in the Department of Mechanical Engineering at National Institute of Technology, Rourkela. His research interest includes Smart Structures and Systems, Vibration and Control, Composites (Nanocomposites, FRP Composites, FG composite material), Finite Element Analysis and Nontraditional Optimization.

Benedict Thomas received his B.E. degree in Mechanical Engineering in 2004 from Pt.Ravishankar Shukla University, Raipur and his M.E. degree in Mechanical Engineering (Design) in 2009 from Chhattisgarh Swami Vive-kananda Technical University, Bhilai. He is currently a Ph.D. scholar at National Institute of Technology, Rourkela. His research interest includes Vibration, Composites (FGM, Nanocomposites) and Finite Element Analysis.

Prasad Inamdar received his B.E. degree in Mechanical Engineering in 2010 from Rajarambapu Institute of Technology (Shivaji University) and his M.Tech. in Machine Design specialization in 2013 from National Institute of Technology, Rourkela. He is currently working as a Post Graduate Engineer Trainee in Mahindra & Mahindra Pvt Ltd. His research interest includes Finite Element Analysis, Vibration analysis, Metallurgy and Nanotechnology.

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Thomas, B., Inamdar, P.K. & Roy, T. Thermal analysis of randomly oriented carbon nanotube reinforced functionally graded timoshenko beam. J Mech Sci Technol 28, 1779–1788 (2014). https://doi.org/10.1007/s12206-014-0324-y

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  • DOI: https://doi.org/10.1007/s12206-014-0324-y

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