Study of the effect of combined reinforcement and modification of epoxy resin with rubbers on the impact strength of carbon fiber-reinforced plastic

Mohammed Nurgazyuly Meiirbekov, M. B. Ismailov, Aidar Karaulovich Kenzhegulov, Laura Mustafa, Indira Tashmukhanbetova

2024

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DOI 10.32523/ejpfm.2024080103
Data confidence 70 medium
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Abstract

The effect of modified epoxy resin with polyurethane, silicone, and butadiene rubber and combined reinforcement with fiberglass and Kevlar on the strength properties of carbon fiber-reinforced plastic was studied. It was found that when rubber is introduced into the composition of the epoxy resin, polyurethane, and combined reinforcement according to the carbon fiber/Kevlar scheme in a ratio of 10:10 leads to an increase in impact strength by 42% to 273 kJ/m 2 and compressive strength increases by 35% to 575 MPa.