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Effect of curing temperature and layering pattern on performance studies: a novel hybrid composite

  • Chellam Bennet , Nagarajan Rajini EMAIL logo , Irulappasamy Siva , Jebas Thangiah Winowlin Jappes and Sandro Campos Amico
Published/Copyright: September 4, 2014
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Abstract

The effect of curing temperature and layering pattern on mechanical and free vibrational properties (natural frequency and damping) of Sansevieria cylindrica/coconut sheath fiber reinforced hybrid unsaturated polyester (USP) composites is discussed. The hybrid composites were compression molded using different layering sequences. Curing was carried out at different temperatures (30°C and 60°C). The results show that Sansevieria cylindrica/USP composites are stronger than the coconut sheath/USP composites. At higher curing temperatures, a significant improvement in strength was observed in all composites and layering pattern also played a vital role in enhancing composite strength, with coconut sheath/Sansevieria cylindrica/Sansevieria cylindrica stack yielding a higher strength compared to the other composites. In addition, curing temperature and layering pattern produced a similar effect on the vibrational characteristics of the composites.


Corresponding author: Nagarajan Rajini, Centre for Composite Materials, Department of Mechanical Engineering, Kalasalingam University, Tamilnadu – 626126, India, e-mail:

Acknowledgments

The authors wish to acknowledge the Centre for Composite Materials, Department of Mechanical Engineering, Kalasalingam University for its kind permission to do the experimental part of this work and also wish to thank the Department of Science and Technology (DST), India for funding through FIST Program SR/FST/ETI-275/2010.

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Received: 2014-4-15
Accepted: 2014-7-29
Published Online: 2014-9-4
Published in Print: 2015-3-1

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