Fabrication and characterization of S glass hybrid composites for Tie rods of aircraft

• Published in: Materials today : proceedings 2019, Vol.19, p.2622-2626
• Main Authors: Yarlagaddaa, Jyothhi, Ramakrishna, M.
• Format: Article
• Language: English
• Subjects: ETBN (epoxy terminated butadiene acrylonitrile); Fabrication; ILSS; S-Glass; Tie-rod
• ISSN: 2214-7853; 2214-7853
• DOI: 10.1016/j.matpr.2019.10.104

This paper explains the fabrication of S-Glass epoxy composite hybrid composite materials from a combination of 7-mill glass fabric, ceramic paper as intermediate and carbon fabric. The ceramic papers which acted as intermediate layers are treated with a mixture of short carbon fibers and carbon powder along with epoxy, epoxy terminated butadiene acrylonitrile (ETBN) and room temperature hardener. The composites are fabricated using Hand lay-up process and solidification of material is obtained through high temperature oven. Further these composite materials are machined to obtain required dimensions as per the design of shield for Tie-rod and splitter rod by considering Radar Cross Section calculation. Flexural and Inter Laminar Shear Strength (ILSS) tests were performed on S-Glass epoxy composite before and after machining. Flexural and Inter Laminar Shear Strength (ILSS) tests were considered in fabrication of Radom structures. Deviations observed in ILSS are around 3% to 18% and deviations observed in Flexural tests are 16% to 23%. In Flexural tests, the samples after machining have positive affect. Whereas, in ILSS tests, the machined samples have least effect. The tests obtained in S-Glass epoxy composite before and after machining were in allowable deviations.