setsci Setsci conference indexing system 2618-6446 SET Technology ef450532-1532-4dd5-abae-a76ebe9fadca The Effect of MWCNT Addition on Mechanical Properties of Epoxy Based Adhesives ATABERK Necati    EKREM Mürsel    ÖZDEMİR Yasin    Necmettin Erbakan University 01 06 2019 4 672 675 © 2019 SET Technology 2019 SET Technology CC BY 4.0

In this study, multi-walled carbon nanotubes (MWCNT) in different weight ratios effect on the mechanical properties of modified epoxy based adhesive under an axial load was investigated. 0.25, 0.50, 0.75 and 1 % by weight ratio the MWCNT added epoxy adhesives were prepared. Tensile test specimens of MWCNT added epoxy adhesives were produced in accordance with ASTM D638-10 and the tensile tests under axial load were performed. The tensile strength, elastic modulus, and toughness of the modified epoxy adhesives were calculated. As a result of these tests, tensile strengths and deformation of the samples were compared with reference (neat epoxy) samples and different proportions of MWCNT additive epoxy based adhesives. While the maximum strain of the epoxy adhesive is obtained as 0.061(mm/mm), it was obtained to 0.081(mm/mm) for 0.25% MWCNT added modified epoxy-based adhesive. In addition, fractured surfaces of the adhesives were analyzed by scanning electron microscopy (SEM) and damage mechanisms were investigated. By increasing the amount of MWCNT by weight, the agglomeration regions have been seen and because of these agglomerations, it has been observed to decrease in the mechanical properties such as tensile strength, etc.  

 Tensile strength, SEM, Epoxy adhesives, MWCNT Tensile strength, SEM, Epoxy adhesives, MWCNT 1. Kozma, L. and I. Olefjord, Basic processes of surface preparation and bond formation of adhesively joined aluminium. Materials Science and Technology, 1987. 3(10): p. 860-874. 2. Lapique, F. and K. Redford, Curing effects on viscosity and mechanical properties of a commercial epoxy resin adhesive. International journal of adhesion and adhesives, 2002. 22(4): p.337-346. 3. Shao, H. and R.J. Stewart, Biomimetic underwater adhesives with environmentally triggered setting mechanisms. Advanced materials, 2010. 22(6): p. 729-733. 4. Coleman, J.N., et al., Improving the mechanical properties of single-walled carbon nanotube sheets by intercalation of polymeric adhesives. Applied Physics Letters, 2003. 82(11): p. 1682-1684. 5. Banea, M. and L.F. da Silva, The effect of temperature on the mechanical properties of adhesives for the automotive industry. Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications, 2010. 224(2): p. 51-62. 6. Ban, G., et al., Effect of nano-Cu addition on microstructure evolution of Sn0. 7Ag0. 5Cu-BiNi/Cu solder joint. Soldering & Surface Mount Technology, 2017. 29(2): p. 92-98.