NDLI: Electrical Response of Carbon Nanotube Reinforced Nanocomposites Under Static and Dynamic Loading

Content Provider	Springer Nature Link
Author	Heeder, N. J. Shukla, A. Chalivendra, V. Yang, S. Park, K.
Copyright Year	2011
Abstract	An experimental investigation was conducted to study the effect of quasi-static and dynamic compressive loading on the electrical response of multi-wall carbon nanotube (MWCNT) reinforced epoxy nanocomposites. An in-situ polymerization process using both a shear mixer and an ultrasonic processor were employed to fabricate the nanocomposite material. The fabrication process parameters and the optimum weight fraction of MWCNTs for generating a well-dispersed percolation network were first determined. Absolute resistance values were measured with a high-resolution four-point probe method for both quasi-static and dynamic loading. In addition to measuring the percentage change in electrical resistance, real-time damage was captured using high-speed photography. The real-time damage was correlated to both load and percentage change in resistance profiles. The experimental findings indicate that the bulk electrical resistance of the nanocomposites under both quasi-static and dynamic loading conditions initially decreased between 40%–60% during compression and then increased as damage initiated and propagated.
Starting Page	315
Ending Page	322
Page Count	8
File Format	PDF
ISSN	00144851
Journal	Experimental Mechanics
Volume Number	52
Issue Number	3
e-ISSN	17412765
Language	English
Publisher	Springer US
Publisher Date	2011-04-05
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Electrical response Carbon nanotube/polymer composites Dynamic response Quasi-static response Four-point probe method Continuum Mechanics and Mechanics of Materials Optics, Optoelectronics, Plasmonics and Optical Devices Mechanics Vibration, Dynamical Systems, Control Characterization and Evaluation of Materials Structural Mechanics
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Mechanical Engineering Aerospace Engineering

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