Effect of Water Absorption on Hardness Property for Epoxy Reinforced by Glass Fibers

Anter, Faik Hammad; Hasan, Hind Salah

doi:10.37652/juaps.2011.44305

Cited by 4 publications

(3 citation statements)

References 3 publications

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“…Hardness is a measure of how resistant solid matter is to various kinds of permanent shape change when a compressive force is applied [7]. Shore A hardness instrument (Type HT-6510 A) shown in Figure To outline the main point the weight loss capability of the composite immersed in the three different kind of solution is shown in figures (2, 3, and 4).…”

Section: Hardness Testmentioning

confidence: 99%

“…The latter is owing to its hydrophilic nature that produces a harmful effect on almost all properties, including the dimensional stability .This problem can be imperative if the composite is used in high moisture environments. Moisture uptake in polymer matrix composites has a deleterious effect on their mechanical properties [6] and [7].…”

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confidence: 99%

“…The composites showed improvements in bending properties with increased filler content, composite materials have significantly higher modulus of elasticity than the matrix material. Faik H. Anter and Hind S. Hasan [7], investigated the effect of Water Absorption on Hardness Property for Epoxy Reinforced by Glass Fibers. The results showed that value of hardness done at room temperature decreases with increasing time of immersion in water.…”

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confidence: 99%

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A Study of the Chemical Resistance and Hardness of Epoxy Reinforced by Magnesium Oxide and Charcoall Activated Particles

KadhimTaieh

2016

ETJ

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In this research, some samples from Epoxy with Magnesium oxide and charcoal activated Particles as filler in different weight percent (1, 3, and 6) wt. % have been prepared. Chemical resistance test has been done using simple immersion test in different periods of time and the immersion done in different solutions (1N NaOH, 1N HCL and 25 g of NaCl per litter of distilled water). Shore (A) hardness tests were carried out on the prepared samples before and after the immersion into distilled water, (1N HCl) acid, (1N NaOH) and 25 g of NaCl per litter of distilled water with normality (1). The results exhibited increase in chemical resistance and hardness values increase with increasing magnesium oxide and charcoal activated ratio. The maximum hardness was observed in the case of epoxy -6wt% MgO composites i.e. 108.8 and least chemical resistance in the case of pure epoxy being 4.885% in NaOH.

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Section: Hardness Testmentioning

confidence: 99%

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confidence: 99%

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confidence: 99%

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A Study of the Chemical Resistance and Hardness of Epoxy Reinforced by Magnesium Oxide and Charcoall Activated Particles

KadhimTaieh

2016

ETJ

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The water absorption effect on the hardness of composites polyester

Mohammed¹,

Issa²

2016

AIP Conference Proceedings

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Effect of reinforcing materials on mechanical properties of composite material using Taguchi method

Owaid

Kaygusuz

Mohammed

2021

J. Phys.: Conf. Ser.

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The mechanical properties play an important role in the selection of suitable material in the manufacturing of boats. In this paper, the effect of glass fiber orientations and the fillers weight fraction on the mechanical properties of un saturated polyester composite material were studied. The glass fibers were used with (0/0, 0/90, 45/45) angles. The carbon filler used with (2.5%, 5%, 7.5%), while the aluminium oxide nano be used with (0%, 1%, 3%) weight fraction respectively. The standard Taguchi’s array L9 (33) was used. The signal to noise ratio and analysis of variance were introduced to analyze and estimate the optimal combination parameters. The results show that the mechanical properties improved with using the reinforcements. The glass fibers orientations angle presents the most parameter effect than the other parameters on the modulus of elasticity, tensile strength and impact strength with a contribution of 81.8%, 83.39% and 96.75% respectively. Followed by carbon and aluminium oxide nano. The optimum parameter with their levels for the highest modulus of elasticity was obtained at (0/90 fiber orientation, 5% carbon and 0% nano aluminium oxide). While the highest tensile strength and impact strength present with using (0/0 fiber orientation and 5% carbon). The experimental and expected results are very close, with an error ratio not exceeding 5%.

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Effect of Water Absorption on Hardness Property for Epoxy Reinforced by Glass Fibers

Cited by 4 publications

References 3 publications

A Study of the Chemical Resistance and Hardness of Epoxy Reinforced by Magnesium Oxide and Charcoall Activated Particles

A Study of the Chemical Resistance and Hardness of Epoxy Reinforced by Magnesium Oxide and Charcoall Activated Particles

The water absorption effect on the hardness of composites polyester

Effect of reinforcing materials on mechanical properties of composite material using Taguchi method

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