Nano-Montmorillonit Modifiyeli Tek Taraflı Bindirme Bağlantılısıyla Birleştirilmiş Tabakalı Kompozitlerin Deniz Suyuna Dayanıklılığı
Abstract
Bu çalışmanın amacı, deniz suyunun nano-montmorillonit modifiyeli epoksi yapıştırıcı ile birleştirilmiş kompozit tek taraflı bindirme bağlantılarının performansına etkisinin incelenmesidir. Nano yapıştırıcıları hazırlamak için epoksi reçinesine ağırlıkça % 2 nano montmorillonit ilave edilmiştir. VARIM (Vakumlu Destekli Reçine İnfüzyon Metodu) ile üretilen kompozit numuneler ASTM D5868-01 standartına göre yapıştırılmış ve 6 ay süreyle deniz suyuna daldırılmıştır. Deniz suyuna daldırmanın sonucunda yapıştırma bağlantılarının performansında önemli ölçüde bir azalma gözlenmiştir. Bununla birlikte, ağırlıkça % 2 nano montmorillonit / epoksi yapıştırıcıların özellikleri, deniz suyuna daldırmadan sonrada daha iyi geldiği gözlenmiştir. Hasar yüzeylerinin mikroyapılarını incelemek için taramalı elektron mikroskopu (SEM) ve optik mikroskop kullanılmıştır.
References
- 1. Pereira, A., et al., Effect of saline environment on mechanical properties of adhesive joints. International Journal of Adhesion and Adhesives, 2013. 47: p. 99-104. 2. Banea, M., et al., Effects of temperature and loading rate on the mechanical properties of a high temperature epoxy adhesive. Journal of Adhesion Science and Technology, 2011. 25(18): p. 2461-2474. 3. Zhang, F., et al., Durability of adhesively-bonded single lap–shear joints in accelerated hygrothermal exposure for automotive applications. International Journal of Adhesion and Adhesives, 2013. 44: p. 130-137. 4. Ashcroft, I., et al., The effect of environment on the fatigue of bonded composite joints. Part 1: testing and fractography. Composites Part A: Applied Science and Manufacturing, 2001. 32(1): p. 45-58. 5. Ulus, H., et al., Low-velocity impact behavior of carbon fiber/epoxy multiscale hybrid nanocomposites reinforced with multiwalled carbon nanotubes and boron nitride nanoplates. Journal of Composite Materials, 2016. 50(6): p. 761-770. 6. Ulus, H., Ö.S. Şahin, and A. Avcı, Enhancement of flexural and shear properties of carbon fiber/epoxy hybrid nanocomposites by boron nitride nano particles and carbon nano tube modification. Fibers and Polymers, 2015. 16(12): p. 2627-2635. 7. Ulus, H., Kaybal, K., Demir, O., Tatar A.C., Senyurt, M.A., Avcı, A., Improvement in Adhesive Performance of Single-Lap Joining Composite Lamınates by Using Nano-Montmorillonite Modified Epoxy. El-Cezerî Journal of Science and Engineering. 8. Alamri, H. and I.M. Low, Effect of water absorption on the mechanical properties of nano-filler reinforced epoxy nanocomposites. Materials & Design, 2012. 42: p. 214-222. 9. Sala, G., Composite degradation due to fluid absorption. Composites Part B: Engineering, 2000. 31(5): p. 357-373. 10. Yan, L. and N. Chouw, Effect of water, seawater and alkaline solution ageing on mechanical properties of flax fabric/epoxy composites used for civil engineering applications. Construction and Building Materials, 2015. 99: p. 118-127. 11. Wei, B., H. Cao, and S. Song, Degradation of basalt fibre and glass fibre/epoxy resin composites in seawater. Corrosion Science, 2011. 53(1): p. 426-431.
Abstract
The objective of this study was to investigate of nano-montmorillonite modified epoxy composite single-lap bonded joints, after being exposed to seawater immersion in order to understand the effect of seawater environment on their performance. To prepare the nano adhesives, nano montmorillonite (2 wt %) was incorporated into epoxy resin. Composite bonded specimens which manufactured with VARIM (Vacuum Assisted Resin Infusion Method) were prepared accordance with ASTM D5868-01 and immersed in seawater for 6 months. As a result of seawater immersion, considerable reductions were observed in the adhesives performance. However, the properties of 2 wt% nano montmorillonite/epoxy adhesives were observed that the performance changed less after exposing to seawater. Scanning electron microscope (SEM) and optical microscope were used to investigate the microstructures of the damage surfaces.
References
- 1. Pereira, A., et al., Effect of saline environment on mechanical properties of adhesive joints. International Journal of Adhesion and Adhesives, 2013. 47: p. 99-104. 2. Banea, M., et al., Effects of temperature and loading rate on the mechanical properties of a high temperature epoxy adhesive. Journal of Adhesion Science and Technology, 2011. 25(18): p. 2461-2474. 3. Zhang, F., et al., Durability of adhesively-bonded single lap–shear joints in accelerated hygrothermal exposure for automotive applications. International Journal of Adhesion and Adhesives, 2013. 44: p. 130-137. 4. Ashcroft, I., et al., The effect of environment on the fatigue of bonded composite joints. Part 1: testing and fractography. Composites Part A: Applied Science and Manufacturing, 2001. 32(1): p. 45-58. 5. Ulus, H., et al., Low-velocity impact behavior of carbon fiber/epoxy multiscale hybrid nanocomposites reinforced with multiwalled carbon nanotubes and boron nitride nanoplates. Journal of Composite Materials, 2016. 50(6): p. 761-770. 6. Ulus, H., Ö.S. Şahin, and A. Avcı, Enhancement of flexural and shear properties of carbon fiber/epoxy hybrid nanocomposites by boron nitride nano particles and carbon nano tube modification. Fibers and Polymers, 2015. 16(12): p. 2627-2635. 7. Ulus, H., Kaybal, K., Demir, O., Tatar A.C., Senyurt, M.A., Avcı, A., Improvement in Adhesive Performance of Single-Lap Joining Composite Lamınates by Using Nano-Montmorillonite Modified Epoxy. El-Cezerî Journal of Science and Engineering. 8. Alamri, H. and I.M. Low, Effect of water absorption on the mechanical properties of nano-filler reinforced epoxy nanocomposites. Materials & Design, 2012. 42: p. 214-222. 9. Sala, G., Composite degradation due to fluid absorption. Composites Part B: Engineering, 2000. 31(5): p. 357-373. 10. Yan, L. and N. Chouw, Effect of water, seawater and alkaline solution ageing on mechanical properties of flax fabric/epoxy composites used for civil engineering applications. Construction and Building Materials, 2015. 99: p. 118-127. 11. Wei, B., H. Cao, and S. Song, Degradation of basalt fibre and glass fibre/epoxy resin composites in seawater. Corrosion Science, 2011. 53(1): p. 426-431.
Details
| Primary Language | English |
|---|---|
| Subjects | Engineering |
| Journal Section | UMAS 2017 International Engineering Research Symposium |
| Authors | |
| Publication Date | January 31, 2018 |
| Submission Date | November 14, 2017 |
| Acceptance Date | November 15, 2017 |
| Published in Issue | Year 2018 Volume: 5 Issue: 1 |
