Mechanical, Interfacial and Thermal Properties of Silica Aerogel-Infused Flax/Epoxy Composites

Author:

Shahroze R. M.1,Chandrasekar M.2,Senthilkumar K.34,Senthil Muthu Kumar T.34,Ishak M. R.15,Rajini N.3,Siengchin Suchart4,Ismail S. O.6

Affiliation:

1. Department of Aerospace Engineering, Faculty of Engineering, University Putra Malaysia , Serdang , Selangor , Malaysia

2. School of Aeronautical Sciences, Hindustan Institute of Technology & Science, Padur, Kelambakkam , Chennai , Tamil Nadu , India

3. Department of Mechanical Engineering, Kalasalingam Academy of Research and Education , Krishnankoil , Tamil Nadu , India

4. Department of Materials and Production Engineering, The Sirindhorn International Thai-German Graduate School of Engineering (TGGS), King Mongkut’s University of Technology North Bangkok , Bangsue , Bangkok , Thailand

5. Aerospace Malaysia Research Centre (AMRC), Faculty of Engineering, Universiti Putra Malaysia , Serdang , Selangor , Malaysia

6. Manufacturing, Materials, Biomedical and Civil Division, School of Engineering and Computer Science, University of Hertfordshire , Hatfield , Hertfordshire , UK

Abstract

Abstract The mechanical, interfacial and thermal properties of a flax/ epoxy composite incorporated with a silica aerogel (SA) at 0.5, 1.0 and 2.0 wt.% were examined in this work. A set of maximum enhancements of 8.7%, 9.0% and 24.0% in the impact, inter-laminar shear strength (ILSS) and compressive strengths were achieved by adding 0.5 wt.% SA into the flax/epoxy composites. Also, the results obtained from dynamic mechanical analysis (DMA) indicated that the damping characteristics, peak tan delta and peak loss modulus improved at all filler concentrations, while the glass transition temperature (Tg) decreased slightly. Features of SA such as biodegradability, ability to improve the mechanical properties as observed in this work and enhanced damping characteristics make them suitable for application in machine parts requiring impact resistance and vibration damping characteristics.

Publisher

Walter de Gruyter GmbH

Subject

Materials Chemistry,Industrial and Manufacturing Engineering,Polymers and Plastics,General Chemical Engineering

Reference26 articles.

1. Assaedi, H., Shaikh, F. U. A. and Low, I. M., “Characterizations of Flax Fabric Reinforced Nanoclay-Geopolymer Composites”, Composites Part B, 95, 412–422 (2016), DOI:10.1016/j.compositesb.2016.04.007

2. Assaedi, H., Shaikh, F. U. A., and Low, I. M., “Influence of Mixing Methods of Nano Silica on the Microstructural and Mechanical Properties of Flax Fabric Reinforced Geopolymer Composites”, Const. Build. Mater., 123, 541–552 (2016), DOI:10.1016/j.conbuildmat.2016.07.049

3. ASTM, D 2344, “Standard Test Method for Short-Beam Strength of Polymer Matrix Composite Materials and Their Laminates”, American Society for Testing and Materials, West Conshohocken, PA 2000)

4. ASTM, D. “ASTM D 256–10, “Standard Test Methods for Determining the Izod Pendulum Impact Resistance of Plastics”, American Society for Testing and Materials, West Conshohocken, PA (2010a)

5. ASTM, D 695, “Standard Test Method for Compressive Properties of Rigid Plastics”, American Society for Testing and Materials, West Conshohocken, PA (2010b)

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