Elastic Modulus Behavior of Multi-Walled Carbon Nano-Tubes/Polyurethane Composites using Nano- Indentation Techniques

Dinesh Kumar; Navin Kumar; Prashant Jinadal

doi:10.17485/ijst/2017/v10i17/150097

Elastic Modulus Behavior of Multi-Walled Carbon Nano-Tubes/Polyurethane Composites using Nano- Indentation Techniques

Dinesh Kumar ¹, Navin Kumar ², Prashant Jinadal ¹

Affiliations
1 University Institute of Engineering and Technology, Punjab University, Chandigarh – 160014, Punjab, India
2 Indian Institute of Technology, Ropar – 140001, Punjab, India

Abstract
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Composites of uniformly dispersed Multi-Walled Carbon Nanotubes (MWCNTs)(1wt%, 3wt%, 7wt% and 10wt%) and Polyurethane(PU) were prepared by solution mixing method. Small disc shaped specimens were fabricated for static mechanical characterization using nano-indentation. Field Emission Scanning Electron Microscopy (FESEM) was done to validate the presence of MWCNTs in PU matrix. Mechanical characterization was performed on PU/MWCNTs nanocomposites by using nano-indentation techniques. It was observed that the elastic modulus of PU/MWCNTs composites with 10wt% increased by 124.5% in comparison to pure PU.