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. 2020 Sep 27;12(10):2211.
doi: 10.3390/polym12102211.

Mechanical Properties of Longitudinal Basalt/Woven-Glass-Fiber-reinforced Unsaturated Polyester-Resin Hybrid Composites

S M Sapuan  1   2 , H S Aulia  1 , R A Ilyas  1   2 , A Atiqah  3 , T T Dele-Afolabi  1 , M N Nurazzi  4 , A B M Supian  1 , M S N Atikah  5
Affiliations

Mechanical Properties of Longitudinal Basalt/Woven-Glass-Fiber-reinforced Unsaturated Polyester-Resin Hybrid Composites

S M Sapuan et al. Polymers (Basel). .

Abstract

This work represents a study to investigate the mechanical properties of longitudinal basalt/woven-glass-fiber-reinforced unsaturated polyester-resin hybrid composites. The hybridization of basalt and glass fiber enhanced the mechanical properties of hybrid composites. The unsaturated polyester resin (UP), basalt (B) and glass fibers (GF) were fabricated using the hand lay-up method in six formulations (UP, GF, B7.5/G22.5, B15/G15, B22.5/G7.5 and B) to produce the composites, respectively. This study showed that the addition of basalt to glass-fiber-reinforced unsaturated polyester resin increased its density, tensile and flexural properties. The tensile strength of the B22.5/G7.5 hybrid composites increased by 213.92 MPa compared to neat UP, which was 8.14 MPa. Scanning electron microscopy analysis was used to observe the fracture mode and fiber pullout of the hybrid composites.

Keywords: basalt fiber; glass fiber; hybrid composites; mechanical properties; natural-fiber composites.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Density of B/G/UP hybrid composites.
Figure 2
Figure 2
Tensile strength of basalt/glass hybrid composites.
Figure 3
Figure 3
Tensile modulus of B/G/UP hybrid composites.
Figure 4
Figure 4
Elongation at break of B/G/UP hybrid composites.
Figure 5
Figure 5
SEM morphology of (a) UP; (b) G; (c) B7.5/G22.5 (d) B15/G15; (e) B22.5/G7.5; (f) B post-tensile testing.
Figure 6
Figure 6
Flexural strength of B/G/UP hybrid composites.
Figure 7
Figure 7
Young modulus of B/G/UP hybrid composites.
See this image and copyright information in PMC

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