Mechanical properties of continuously reinforced MWCNT polymer composites in compression

Yupeng Li; Jonghwan Suhr

doi:10.1117/12.915018

28 March 2012 Mechanical properties of continuously reinforced MWCNT polymer composites in compression

Yupeng Li, Jonghwan Suhr

Proceedings Volume 8342, Behavior and Mechanics of Multifunctional Materials and Composites 2012; 83420V (2012) https://doi.org/10.1117/12.915018
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2012, San Diego, California, United States

Abstract

Recent studies show that continuously reinforced multi-walled carbon nanotubes (MWCNT) composite can have extraordinary mechanical properties. It was observed that the continuous MWCNT polymer composites exhibit both significant reinforcement and large damping capability in compressive loadings, which typically remain compromised. The damping property might result from buckling behavior of the MWCNT in composites. Here, this paper is to study the buckling response of carbon nanotubes (CNT) within a polymer matrix by using analytical models including Euler, Timoshenko and shell buckling models. Also, the modeling results are analyzed and compared to better understand the bucking behavior of the CNT in the composite and also investigate the effect of their aspect ratio (L/D) on buckling behavior. This study provides us with insight to better understand the structure-property relation for such continuous CNT polymer composites.

Citation Download Citation

Yupeng Li and Jonghwan Suhr "Mechanical properties of continuously reinforced MWCNT polymer composites in compression", Proc. SPIE 8342, Behavior and Mechanics of Multifunctional Materials and Composites 2012, 83420V (28 March 2012); https://doi.org/10.1117/12.915018

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