Effect of Water Absorption on the Impact Behaviors of CFRE Composites

1
U. A. Khashaba
U. A. Khashaba
2
Ramzi Othman
Ramzi Othman
3
I.M.R. Najjar
I.M.R. Najjar
1 King Abdulaziz University

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This paper is concerned with the effect of water absorption on the impact behavior of woven carbon fiber reinforced epoxy (CFRE) composites. The composite laminates were manufactured using the prepreg technique and then cut to the standard dimensions following the ASTM D 7136. The specimens were immersed in distilled water up to 368 h. The moist specimens were characterized by falling weight tester at different impact energies. The impact results are compared with the results obtained under dry testing conditions. The comparison shows that water-immersed plates absorb almost the same energy as the corresponding dry ones. However, the maximum force obtained with the water-immersed plates is 15%-20% lower than those of the corresponding dry plates. This can be interpreted in terms of the degradation effect the composite material by water absorption.

Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

U. A. Khashaba. 2017. \u201cEffect of Water Absorption on the Impact Behaviors of CFRE Composites\u201d. Global Journal of Research in Engineering - A : Mechanical & Mechanics GJRE-A Volume 17 (GJRE Volume 17 Issue A6): .

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Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

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GJRE-A Classification: FOR Code: 091399p
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v1.2

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December 6, 2017

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English

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This paper is concerned with the effect of water absorption on the impact behavior of woven carbon fiber reinforced epoxy (CFRE) composites. The composite laminates were manufactured using the prepreg technique and then cut to the standard dimensions following the ASTM D 7136. The specimens were immersed in distilled water up to 368 h. The moist specimens were characterized by falling weight tester at different impact energies. The impact results are compared with the results obtained under dry testing conditions. The comparison shows that water-immersed plates absorb almost the same energy as the corresponding dry ones. However, the maximum force obtained with the water-immersed plates is 15%-20% lower than those of the corresponding dry plates. This can be interpreted in terms of the degradation effect the composite material by water absorption.

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Effect of Water Absorption on the Impact Behaviors of CFRE Composites

U. A. Khashaba
U. A. Khashaba King Abdulaziz University
Ramzi Othman
Ramzi Othman
I.M.R. Najjar
I.M.R. Najjar

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