Enhanced structural, thermal, mechanical and electrical properties of nano ZTA/epoxy composites

Chaitra Srikanth; G.M. Madhu; Shreyas J. Kashyap; Chaitra Srikanth; G.M. Madhu; Shreyas J. Kashyap

doi:10.3934/matersci.2022013

AIMS Materials Science

2022, Volume 9, Issue 2: 214-235. doi: 10.3934/matersci.2022013

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Enhanced structural, thermal, mechanical and electrical properties of nano ZTA/epoxy composites

1.
Department of Chemical Engineering, M S Ramaiah Institute of Technology, MSR Nagar, Bangalore, Karnataka, 560054, India
2.
Centre for Advanced Materials Technology, M S Ramaiah Institute of Technology, MSR Nagar, Bangalore, Karnataka, 560054, India

Received: 26 September 2021 Revised: 10 January 2022 Accepted: 17 January 2022 Published: 17 February 2022

Epoxy composites were prepared by doping nano Zirconia Toughened Alumina (ZTA) which were synthesized by solution combustion method into epoxy resin and hardener. Initially ZTA nanopowder was characterized to check its purity, morphology and to confirm its metal-oxide bonding using XRD, SEM and FTIR respectively. The thermal properties such as TGA and DTG were also analysed. The polymer composites were obtained by uniformly dispersing ZTA nanopowder into epoxy using an ultrasonicator. Polymer composites of various concentrations viz, 0.5, 1, 1.5, 2 and 2.5 wt% were synthesized, all concentrations were prepared on weight basis. All the polymer composites were tested for compression properties, flexural properties and tensile properties. Best results for all the mechanical properties were obtained for epoxy with 1.5 wt% ZTA composites. Electrical properties such as breakdown voltage and breakdown strength were analysed and outstanding results were observed for epoxy with 2.5 wt% ZTA composite.
- ZTA,
- epoxy,
- SEM,
- UV-Vis Spectra,
- Raman Spectra,
- TGA,
- DTG,
- compressive properties,
- flexural properties,
- breakdown voltage
Citation: Chaitra Srikanth, G.M. Madhu, Shreyas J. Kashyap. Enhanced structural, thermal, mechanical and electrical properties of nano ZTA/epoxy composites[J]. AIMS Materials Science, 2022, 9(2): 214-235. doi: 10.3934/matersci.2022013

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Abstract

Epoxy composites were prepared by doping nano Zirconia Toughened Alumina (ZTA) which were synthesized by solution combustion method into epoxy resin and hardener. Initially ZTA nanopowder was characterized to check its purity, morphology and to confirm its metal-oxide bonding using XRD, SEM and FTIR respectively. The thermal properties such as TGA and DTG were also analysed. The polymer composites were obtained by uniformly dispersing ZTA nanopowder into epoxy using an ultrasonicator. Polymer composites of various concentrations viz, 0.5, 1, 1.5, 2 and 2.5 wt% were synthesized, all concentrations were prepared on weight basis. All the polymer composites were tested for compression properties, flexural properties and tensile properties. Best results for all the mechanical properties were obtained for epoxy with 1.5 wt% ZTA composites. Electrical properties such as breakdown voltage and breakdown strength were analysed and outstanding results were observed for epoxy with 2.5 wt% ZTA composite.

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