The mechanical and physical properties of nylon 6/glass fiber-reinforced hybrid composites manufactured by thermal and ultraviolet-cured pultrusion methods

2020 ◽  
Vol 54 (21) ◽  
pp. 2899-2912
Author(s):  
Hossein Alikhani ◽  
Fatemeh Sharifzadeh ◽  
Hadi Khoramishad
Keyword(s):  
Mechanical Properties ◽  
Glass Fiber ◽  
Hybrid Composites ◽  
Nylon 6 ◽  
Fiber Reinforced Polymer ◽  
Fiber Reinforced ◽  
Glass Fiber Reinforced Polymer ◽  
Pull Out ◽  
Reinforced Polymer ◽  
Glass Fiber Reinforced

In this study, the effect of hybridizing glass fiber-reinforced polymer composites with nylon 6 fibers on the physical and mechanical properties of composites was investigated experimentally. The ultraviolet-cured and thermal pultrusion methods were employed for manufacturing the glass fiber-reinforced polymer and hybrid composite rods containing different volume percentages of nylon 6 fibers at low and high temperatures. The effects of the nylon 6 fibers and the pultrusion methods were investigated on the curing degree, the void content, the diameter expansion, the surface characteristics, and the quasi-static tensile and Charpy impact properties of the composite rods. The ultraviolet-cured hybrid composites showed superior mechanical properties than the thermally cured samples indicating the sensitivity of nylon 6 fibers to high-temperature curing. Moreover, the curing speed of ultraviolet-cured pultrusion was significantly higher than the thermal pultrusion. Delamination and fiber pull-out were the dominant damage mechanisms in the hybrid composites due to the low interfacial strength between the nylon 6 fibers and matrix.

Optically-derived mechanical properties of glass fiber-reinforced polymer laminates for multifunctional load-bearing structures

2015 ◽  
Vol 49 (28) ◽  
pp. 3539-3556 ◽  
Author(s):  
Carlos Pascual ◽  
Julia de Castro ◽  
André Kostro ◽  
Andreas Schueler ◽  
Anastasios P Vassilopoulos ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Glass Fiber ◽  
Fiber Reinforced Polymer ◽  
Fiber Reinforced ◽  
Glass Fiber Reinforced Polymer ◽  
Load Bearing ◽  
Reinforced Polymer ◽  
Glass Fiber Reinforced ◽  
Polymer Laminates

scholarly journals Effect of Sea Water Environment Exposure on Glass Fiber Reinforced Polymer Composites

2019 ◽  
Vol 9 (1) ◽  
pp. 670-674
Keyword(s):  
Mechanical Properties ◽  
Glass Fiber ◽  
Mechanical Behaviour ◽  
Sea Water ◽  
Fiber Reinforced Polymer ◽  
Fiber Reinforced ◽  
Gfrp Composites ◽  
Glass Fiber Reinforced Polymer ◽  
Reinforced Polymer ◽  
Glass Fiber Reinforced

Glass fiber reinforced polymer(GFRP) composites are currently used in large numbers of diverse applications ranging from tip and engine strut fairings in aircrafts, building panels and dash boards in automotive vehicles, boat hulls in ocean vehicle structures, golf clubs and race helmets in sports equipment, etc. The service life of composite materials are influenced by the different adverse environment which leads to various failures like corrosion, fatigue, fracture, etc., results in loss of structural integrity due to environmental conditions. The investigations involved are to study the mechanical behaviour of these materials when subjected to various adverse conditions of the environment at different intervals of exposure due to change in moisture and temperature. Experiments were conducted on GFRP composites with and without exposing to different environment conditions of sea water. Tensile and flexural tests are conducted to predict the mechanical behaviour of both normal specimens and specimens exposed with sea water. Reduction in mechanical properties found due to maximum absorption of any liquid by the material. When temperature increases better in mechanical properties are noticed and at low temperature the composite behaves like a brittle.

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