Polymer-ceramic Composite Film Fabrication And Characterization For Harsh Environment Applications | 34958
Journal of Material Sciences & Engineering
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Polymer-ceramic composites are gaining importance due to their high specific strength, corrosion resistance, and high mechanical
properties as well as low cost. As a result polymer composites are suitable for various industrial applications, like automobiles,
aerospace and biomedical areas. The present work comprises development of polymer/ceramic composite films and are tested for
harsh environment including weatherability and UV-barrier properties. The polymer composite films are kept in weather chamber for
a fixed period of time followed by testing for their physical, mechanical and chemical properties. The composites films are fabricated
using compounding followed by hot pressing. UV-Visible spectroscopy results reveal that the pure polymer polyethylene (PE) films
are transparent in the visible range and do not absorb UV. However, polymer ceramic composite films start absorbing UV completely
even at very low filler loading amount of 5 wt%. The changes the in tensile properties of the various composite films before and after
UV illuminations for 40 hrs and at 60oC were observed. The tensile strength of the neat PE film has been observed as 8% reduction,
whereas a remarkable increase in tensile strength has been observed (18% improvement) for 10 wt% filled composites films. The
UV exposure leads to strengthening of the cross-linking among PE polymer chains in the filled composite films, which contributes
towards the incremented tensile strength properties.
Santiranjan Shannigrahi has completed his PhD from Indian Institute of Technology. He is working as a Scientist in IMRE, an A*STAR (Agency for Science, Technology and Research) research institute in Singapore. He has published more than 80 papers in reputed journals and has been serving as an Editorial Board Member of repute.