An investigation was carried out concerning the hydrothermal aging effect on the water intake character of aramid/epoxy composites based on the dimension effect. The aramid/epoxy composites were manufactured by the vacuum assisted resin infusion method (VARIM) kept in distilled water and sea water at 25 °C and 70 °C for 6 weeks in a controllable aging cabin. The water absorption behavior of composite samples cut with different length/width (L/w) ratios was assessed according to different water types and temperatures. Besides, the water intake character of aramid/epoxy samples was interpreted theoretically according to the Fick model. The experimental and theoretical results showed that aramid/epoxy composites displayed a tendency consistent with the Fickian model. Further, the water intake character of aramid/epoxy samples was affected by criteria such as sea water, distilled water, temperature, and different L/w ratio. The temperature increase was caused to more water absorption. Further, the increase of L/w ratio was caused to more water intake for both water types.
1. Özbek, Ö., 2021. Axial and Lateral BucklingnAnalysis of Kevlar/epoxy Fiber-reinforced Composite Laminates Incorporating Silica Nanoparticles, Polymer Composites, 42,
1109-1122.
2. Özbek, Ö., Doğan, N.F., Bozkurt, Ö.Y., 2020. An Experimental Investigation on Lateral Crushing Response of Glass/carbon Intraply Hybrid Flament Wound Composite Pipes, Journal of the Brazilian Society of Mechanical Sciences and Engineering, 42, 389. doi: 10.1007/s40430-020-02475-3.
3. Tanaka, K., Minoshima, K., Grela, W., Komai, K., 2002. Characterization of the Aramid/ epoxy Interfacial Properties by Means of Pullout Test and Influence of Water Absorption, Composites Science and Technology, 62, 2169–2177.
4. Akay, M., Kong Ah Mud, S., Stanley, A., 1996. Influence of Moisture on the Thermal and Mechanical Properties of Autoclaved and Oven-cured Kevlar-49/epoxy Laminates, Composites Science and Technology, 51, 565-571.
5. Wan, Y.Z., Wang, Y.L., Huang, Y., Luo, H.L., He, F., Chen, G.C., 2006. Moisture Absorption in a Three-dimensional Braided Carbon/Kevlar/epoxy Hybrid Composite for Orthopaedic Usage and its Influence on Mechanical Performance, Composites: Part A: Applied Science and Manufacturing, 37(9), 1480-1484.
6. Yahaya, R., Sapuan, S.M., Jawaid, M., Leman, Z., Zainudin, E.S., 2016. Water Absorption Behaviour and Impact Strength of Kenafkevlar Reinforced Epoxy Hybrid Composites, Advanced Composites Letters, 25(4), 98-102.
7. Srivastav, P.A., Wangikar, K.S., Kale, A.D., 2017. Mechanical Characterization and Effects of Hydrolytic Aging on Glass Kevlar Hybrid Composites, International Journal of Mechanical and Production Engineering, 5(9), 2320-2092.
8. Imielinska, K., Guillaumat, L., 2004. The Effect of Water Immersion Ageing on Lowvelocity Impact Behaviour of Woven Aramid– glass Fibre/epoxy Composites, Composites Science and Technology, 64, 2271-2278.
9. ASTM D5229, Standard Test Method for Moisture Absorption Properties and Equilibrium Conditioning of Polymer Matrix Composite Materials.
10. Jost, V.W., 1960. Diffusion in Solids, Liquids, Gases, New York: Academic Press, 652.
11. Shen, C.H., Springer, G.S., 1976. Moisture Absorption and Desorption of Composite Materials, Journal of Composite Material, 10, 2-20.
12. Abd El-baky, M.A., Attia, M.A., 2018. Water Absorption Effect on the In-plane Shear Properties of Jute-glass-carbon-reinforced Composites using Losipescu Test, Journal of Composite Materials.
13. Collings, T.A., Copley, S.M., 1983. On the Accelerated Ageing of CFRP, Composites, 14(3), 180–188.
14. Bian, L., Xiao, J., Zeng, J., Xing, S., 2012. Effects of Seawater Immersion on Water Absorption and Mechanical Properties of GFRP Composites. Journal of Composite Materials, 46(25), 3151–3162. doi: 10.1177/ 0021998312436992.
15. Soykok, I.F., Sayman, O., Pasinli, A., 2013. Effects of Hot Water Aging on Failure Behavior of Mechanically Fastened Glass Fber/Epoxy Composite Joints, Composites Part B, 54, 59–70. doi: 10.1016/j.compositesb.2013. 04.073.
16. Larbi, S., Bensaada, R., Djebali, S., Bilek, A., 2016. Experimental and Theoretical Study on Hygrothermal Aging Effect on Mechanical Behavior of Fiber Reinforced Plastic Laminates. International Journal of Mechanical, Aerospace, Industrial, Mechatronic and Manufacturing Engineering, 10(7), 1239-1242.
17.Oğuz, Z.A., Erkliğ, A., Bozkurt, Ö.Y., 2020. Degradation of Hybrid Aramid/glass/epoxy Composites Hydrothermally Aged in Distilled Water. Journal of Composite Materials, doi:10.1177/0021998320984237.
18. Wei, B., Cao, H., Song, S., 2011. Degradation of Basalt Fibre and Glass Fibre/epoxy Resin Composites in Seawater, Corrosion Science, 53(1), 426–431.
Numune Boyut Etkisinin Aramid/Epoksi Kompozitlerin Hidrotermal Yaşlanma Davranışına Etkisi
Boyut etkisine bağlı olarak aramid/epoksi kompozitlerin su emme davranışı üzerindeki hidrotermal
yaşlanma etkisi ile ilgili bir araştırma yapılmıştır. Vakum destekli reçine transfer yöntemi (VARIM) ile
üretilen aramid/epoksi kompozitler, kontrol edilebilir bir yaşlandırma kabininde 6 hafta boyunca saf su ve
deniz suyuna 25 °C ve 70 °C sıcaklıklarda daldırılmıştır. Farklı uzunluk/genişlik (L/w) oranlarında
kesilen kompozit numunelerin su emme davranışları, farklı su tipleri ve sıcaklıklara göre
değerlendirilmiştir. Ayrıca aramid/epoksi numunelerinin su emme özelliği teorik olarak Fick modeline
göre yorumlanmıştır. Deneysel ve teorik sonuçlar, aramid/epoksi kompozitlerinin Fickian modeliyle
tutarlı bir eğilim sergilediğini göstermiştir. Ayrıca aramid/epoksi kompozit numunelerin su emme davranışı, deniz suyu, saf su, sıcaklık ve farklı L/w oranı gibi kriterlerden etkilenmiştir. Sıcaklık artışı
daha fazla su emilimine neden olmuştur. Ayrıca, L/w oranındaki artış, her iki su türü için daha fazla su
alımına neden olmuştur.
1. Özbek, Ö., 2021. Axial and Lateral BucklingnAnalysis of Kevlar/epoxy Fiber-reinforced Composite Laminates Incorporating Silica Nanoparticles, Polymer Composites, 42,
1109-1122.
2. Özbek, Ö., Doğan, N.F., Bozkurt, Ö.Y., 2020. An Experimental Investigation on Lateral Crushing Response of Glass/carbon Intraply Hybrid Flament Wound Composite Pipes, Journal of the Brazilian Society of Mechanical Sciences and Engineering, 42, 389. doi: 10.1007/s40430-020-02475-3.
3. Tanaka, K., Minoshima, K., Grela, W., Komai, K., 2002. Characterization of the Aramid/ epoxy Interfacial Properties by Means of Pullout Test and Influence of Water Absorption, Composites Science and Technology, 62, 2169–2177.
4. Akay, M., Kong Ah Mud, S., Stanley, A., 1996. Influence of Moisture on the Thermal and Mechanical Properties of Autoclaved and Oven-cured Kevlar-49/epoxy Laminates, Composites Science and Technology, 51, 565-571.
5. Wan, Y.Z., Wang, Y.L., Huang, Y., Luo, H.L., He, F., Chen, G.C., 2006. Moisture Absorption in a Three-dimensional Braided Carbon/Kevlar/epoxy Hybrid Composite for Orthopaedic Usage and its Influence on Mechanical Performance, Composites: Part A: Applied Science and Manufacturing, 37(9), 1480-1484.
6. Yahaya, R., Sapuan, S.M., Jawaid, M., Leman, Z., Zainudin, E.S., 2016. Water Absorption Behaviour and Impact Strength of Kenafkevlar Reinforced Epoxy Hybrid Composites, Advanced Composites Letters, 25(4), 98-102.
7. Srivastav, P.A., Wangikar, K.S., Kale, A.D., 2017. Mechanical Characterization and Effects of Hydrolytic Aging on Glass Kevlar Hybrid Composites, International Journal of Mechanical and Production Engineering, 5(9), 2320-2092.
8. Imielinska, K., Guillaumat, L., 2004. The Effect of Water Immersion Ageing on Lowvelocity Impact Behaviour of Woven Aramid– glass Fibre/epoxy Composites, Composites Science and Technology, 64, 2271-2278.
9. ASTM D5229, Standard Test Method for Moisture Absorption Properties and Equilibrium Conditioning of Polymer Matrix Composite Materials.
10. Jost, V.W., 1960. Diffusion in Solids, Liquids, Gases, New York: Academic Press, 652.
11. Shen, C.H., Springer, G.S., 1976. Moisture Absorption and Desorption of Composite Materials, Journal of Composite Material, 10, 2-20.
12. Abd El-baky, M.A., Attia, M.A., 2018. Water Absorption Effect on the In-plane Shear Properties of Jute-glass-carbon-reinforced Composites using Losipescu Test, Journal of Composite Materials.
13. Collings, T.A., Copley, S.M., 1983. On the Accelerated Ageing of CFRP, Composites, 14(3), 180–188.
14. Bian, L., Xiao, J., Zeng, J., Xing, S., 2012. Effects of Seawater Immersion on Water Absorption and Mechanical Properties of GFRP Composites. Journal of Composite Materials, 46(25), 3151–3162. doi: 10.1177/ 0021998312436992.
15. Soykok, I.F., Sayman, O., Pasinli, A., 2013. Effects of Hot Water Aging on Failure Behavior of Mechanically Fastened Glass Fber/Epoxy Composite Joints, Composites Part B, 54, 59–70. doi: 10.1016/j.compositesb.2013. 04.073.
16. Larbi, S., Bensaada, R., Djebali, S., Bilek, A., 2016. Experimental and Theoretical Study on Hygrothermal Aging Effect on Mechanical Behavior of Fiber Reinforced Plastic Laminates. International Journal of Mechanical, Aerospace, Industrial, Mechatronic and Manufacturing Engineering, 10(7), 1239-1242.
17.Oğuz, Z.A., Erkliğ, A., Bozkurt, Ö.Y., 2020. Degradation of Hybrid Aramid/glass/epoxy Composites Hydrothermally Aged in Distilled Water. Journal of Composite Materials, doi:10.1177/0021998320984237.
18. Wei, B., Cao, H., Song, S., 2011. Degradation of Basalt Fibre and Glass Fibre/epoxy Resin Composites in Seawater, Corrosion Science, 53(1), 426–431.
Oğuz, Z. A., & Erkliğ, A. (2021). The Influence of Dimension Effect on the Hydrothermal Aging Behavior of Aramid/Epoxy Composites. Çukurova Üniversitesi Mühendislik Fakültesi Dergisi, 36(1), 187-196. https://doi.org/10.21605/cukurovaumfd.933920