scholarly journals Mechanical Characterization of DCPD and ENB Healing Systems in Glass Fibre Composites

2020 ◽  
Vol 57 (1) ◽  
pp. 278-289 ◽  
Author(s):  
Ionut Sebastian Vintila ◽  
Teodor Badea ◽  
Sorin Draghici ◽  
Horia Alexandru Petrescu ◽  
Andreia Cucuruz ◽  
...  
Keyword(s):  
Composite Material ◽  
Thermal Cycling ◽  
Glass Fibre ◽  
Bending Strength ◽  
Mechanical Characterization ◽  
Bending Test ◽  
Glass Fibre Reinforced Polymer ◽  
Fibre Reinforced Polymer ◽  
Glass Fibre Reinforced

The present paper is focused on evaluating the mechanical characterization of dicyclopentadiene (DCPD) and 5-ethylidene-2-norbornene (ENB) healing systems synthetized by in-situ polymerisation. Both healing systems were embedded in glass fibre reinforced polymer (GFRP) composite and subjected to three-point bending test regime. Microstructural and FT-IR analysis showed the formation of microcapsules and a successful integration in the composite material. To observe the influence of temperature variation, some specimens were exposed to thermal cycling (-20oC to +100oC) for 12 hours and tested in the same conditions. It was observed that the addition of microcapsules in the composite material decreased its mechanical properties by 8% and 10% for DCPD system and ENB system respectively. Thermal cycling suggested a drop of 24% on bending strength for DCPD system and 17% for ENB. Resting after 24 hours showed a healing recovery of 74% for DCPD healing system and of 97% for ENB system.

scholarly journals The Study of Impact Behaviour of Two Types of Glass Fibre Reinforced Polymer (GFRP) Subjected to Low Velocity Impact

2014 ◽  
Vol 1044-1045 ◽  
pp. 153-157 ◽  
Author(s):  
N. Razali ◽  
M.T.H. Sultan ◽  
Y. Aminanda
Keyword(s):  
Composite Material ◽  
Impact Energy ◽  
Glass Fibre ◽  
Low Velocity Impact ◽  
Low Velocity ◽  
Velocity Impact ◽  
Reinforced Polymer ◽  
Glass Fibre Reinforced Polymer ◽  
Fibre Reinforced Polymer ◽  
Glass Fibre Reinforced

The aim of this work is to study the behaviour of two types of composite material when subjected to impacts at different energy levels under low velocity impact events. The composite material used in this study was Glass Fibre Reinforced Polymer (GFRP) which was C-type/600 g/m2 and E-type/600 g/m2. This material was fabricated to produce laminated plate specimens with a dimension of 100 mm 150 mm. Each specimen had 10 layers of GFRP woven roving plies. The low velocity impact test was performed using an IM10 Drop Weight Impact Tester with a 10 mm hemispherical striker cap. The impact energy was set to 14, 28, 42 and 56 joules with velocity ranging from 1.73 m/s to 3.52 m/s. The relationships of impact energy with impact force, displacement and energy absorbed are presented. The comparison and behaviour between the two types of GFRP are discussed.

scholarly journals The Effect of Layers and Bullet Type on Impact Properties of Glass Fibre Reinforced Polymer (GFRP) Using a Single Stage Gas Gun (SSGG)

2014 ◽  
Vol 564 ◽  
pp. 428-433 ◽  
Author(s):  
S.N.A. Safri ◽  
Mohamed Thariq Hameed Sultan ◽  
N. Razali ◽  
Shahnor Basri ◽  
Noorfaizal Yidris ◽  
...  
Keyword(s):  
Impact Energy ◽  
Glass Fibre ◽  
Impact Test ◽  
Single Stage ◽  
Gas Gun ◽  
Reinforced Polymer ◽  
Glass Fibre Reinforced Polymer ◽  
Fibre Reinforced Polymer ◽  
Glass Fibre Reinforced ◽  
The Impact

The purpose of this work is to study the best number of layer with the higher impact energy using Glass Fibre Reinforced Polymer (GFRP). The number of layers used in this study was 25, 33, 41, and 49. The impact test was performed using Single Stage Gas Gun (SSGG) for each layers given above with different bullets such as blunt, hemispherical and conical bullets. The gas gun pressure was set to 5, 10, 15 and 20 bar. All of the signals captured from the impact test were recorded using a ballistic data acquisition system. The correlation between the impact energy in terms of number of layer and type of bullet from this test are presented and discussed. It can be summarise that as the number of layer increases, impact energy also increases. In addition, from the results, it was observed that by using different types of bullets (blunt, hemispherical, conical), there is only a slight difference in values of energy absorbed by the specimen.

Quasi-Static Indentation Behaviour of Glass Fibre Reinforced Polymer

2014 ◽  
Vol 970 ◽  
pp. 317-319 ◽  
Author(s):  
Syed Mohd Saiful Azwan ◽  
Yahya Mohd Yazid ◽  
Ayob Amran ◽  
Behzad Abdi
Keyword(s):  
Glass Fibre ◽  
Polyester Resin ◽  
Loading Rates ◽  
Reinforced Polymer ◽  
Glass Fibre Reinforced Polymer ◽  
Static Indentation ◽  
Indentation Tests ◽  
Fibre Reinforced Polymer ◽  
Glass Fibre Reinforced ◽  
Chopped Strand Mat

Fibre reinforced polymer (FRP) plates subject to quasi-static indentation loading were studied. The plates were fabricated from three layers of chopped strand mat glass fibre and polyester resin using vacuum infusion process. Indentation tests were conducted on the plates with loading rates of 1 mm/min, 10 mm/min, 100 mm/min and 500 mm/min using a hemispherical tip indenter with diameter 12.5 mm. The plates were clamped in a square fixture with an unsupported space of 100 mm × 100 mm. The loads and deflections at the indented location were measured to give energy absorption-deflection curves. The results showed that the loading rate has a large effect on the indentation behaviour and energy absorbed.

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