Performance Comparison of Basalt Fiber Laminates Due to Localized Heat Damage

Date of Award

2021

Degree Name

M.S. Civil and Environmental Engineering and Engineering Mechanics

Department

Department of Civil and Environmental Engineering and Engineering Mechanics

Advisor/Chair

Elias Anis Toubia 1974-

Abstract

A comprehensive experimental study was performed to understand the thermal and mechanical responses of basalt fiber and E-glass reinforced composite laminates subjected to thermal damage. The effect of localized heat damage represented by a radiant heat flux of 50 kW/m2 on the shear and tensile properties is experimentally investigated. The layup sequence of the E-glass/vinylester specimens was [±45°/mat]s for 2-ply specimens and [±45°/mat]2s for 4-ply specimens. The layup sequence of the basalt fiber laminate was [±45°]2s. The morphology of the damage and interfacial debonding were postulated with the temperature profiles and evidenced by the ultrasonic analyses and micrograph images. The condition of the fiber-resin interface before and after heat damage significantly influences the post-fire residual properties of basalt fiber laminate.

Keywords

Civil Engineering, Basalt, BFRP, In-plane shear, Localized heat damage, Residual strength

Rights Statement

Copyright © 2021, author.

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