INFLUENCE OF ONE-WALL CARBON NANOTUBES ON THE ELASTIC-STRENGTH PROPERTIES OF EPOXY BINDING
AOIQRT
DOI:
https://doi.org/10.25712/ASTU.2072-8921.2023.02.026Keywords:
epoxy binder, carbon nanotubes, modification, tensile strength, modulus of elasticity, impact strength, binder, SEM, destruction, ultrasound, suspensionAbstract
The article reflects the results of studies on influence of carbon nano tubes (CNT) on the elastic- strength properties of epoxy resin. Electronic-microscopic researches show the change of supramolecular structure with formation of well-organized structures at introduction carbon nano particles in epoxy binder on the basis of epoxy resin of ED-20 and isomethyl - tetrahydrohthalic anhydride (iso-MTGFA) was chosen as a hardening agent. Possibility and effectiveness of use of ultrasonic dispersion of superconcentrate on basis of CNT in the composition of resin was analysed. Research of influence of CNT concentration from 0 to 0,5 mass% in the composition of epoxy resin on the tensile strength and module of elasticity at tension and compression, Charpy impact strength is carried out. It was established that when introducing CNT into the composition of epoxy resin changes of elastic- strength properties are onserved. It was experimentally determined that modification by means of superconcentrate on basis of CNT results in increase of tensile strength and module of elasticity at tension and compression, Charpy impact strength. At CNT concentration in the epoxy resin composition from 0,25 mass% to 0,5 mass% increase of tensile strength at tension on 32% and module of elasticity at compression on 10 % is observed.
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Copyright (c) 2023 Aisen Kychkin, Anatoliy K. Kychkin, Aleksei G. Tuisov, Mikhail P. Lebedev, Elena S. Anan'eva
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