International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Most Trusted Research Journal Since Year 2012

ISSN: 2319-7064



Research Paper | Manufacturing Engineering | India | Volume 4 Issue 4, April 2015

Evaluation of Curing Process for Kevlar 49-Epoxy Composites by Mechanical Characterization Designed for Brake Liners

A. Chennakesava Reddy

In this present work, Kevlar 49/epoxy composites are routed with different curing processes to fabricate brake liners. The curing processes are commenced with pressure, with pressure and vacuum and with vacuum only. The Kevlar 49/epoxy composites are tested for compressive strength, tensile strength, flexural strength, hardness, compressive modulus, tensile modulus, flexural modulus and inter laminar shear strength. The reduction of volume fraction is due to pressure compactness of epoxy coated bi-directional Kevlar 49 woven in the composite. Pressure included curing processes are resulted in the interfacial microscopic cracks, which can transform to macroscopic level by coalesce, and debonding phenomena to discharge the developed residual stresses on account of the pressure applied during the curing process. The compactness is high with curing process of vacuum and applied pressure on the composite. The curing cycle (pressure and vacuum) has imparted fewer voids in the composites as compared the other two curing cycles.

Keywords: Kevlar 49, epoxy, tensile strength, compressive strength, flexural strength, inter laminar shear strength, voids, brake liners

Edition: Volume 4 Issue 4, April 2015

Pages: 2365 - 2371


How to Cite this Article?

A. Chennakesava Reddy, "Evaluation of Curing Process for Kevlar 49-Epoxy Composites by Mechanical Characterization Designed for Brake Liners", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=SUB153699, Volume 4 Issue 4, April 2015, 2365 - 2371

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