Theoretical and experimental study on the effect of multi-walled carbon nanotubes on improving the tensile properties and toughness of Vinyl ester resin

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Setoodeh Alireza; Sokhandani Navid; Zebarjad Sayed Mojtaba

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Journal: Journal of Science and Technology of Composites Year:2019 | Volume:5 | Issue:4 Page(s): 539-550

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Title

Theoretical and experimental study on the effect of multi-walled carbon nanotubes on improving the tensile properties and toughness of Vinyl ester resin

Author(s)

Setoodeh Alireza | Sokhandani Navid | Zebarjad Sayed Mojtaba | Issue Writer Certificate

Keywords

NanocompositesQ2

Multi-walled carbon nanotubesQ1

Young's modulusQ2

Tensile strengthQ2

ToughnessQ2

Abstract

Vinyl ester resins are widely used in structural composites and industry because of their excellent mechanical properties and good chemical resistance. One of the main goals of adding nanofillers to polymer matrix is to enhance the Young’ s modulus and strength of the original base polymers. Due to the rigid structure of carbon nanotube as well as their aspect ratios, they can effectively increase the elastic modulus and stiffness of the polymer matrix. The main practical target of the present study is to obtain the best distribution of the Multi-walled carbon nanotubes (MWCNTs) with carboxylic group in order to simultaneously improve the elastic modulus, Tensile strength and Toughness of the resulted nanocomposite. In this regard, Nanocomposites with six different weight fractions (wt%) of MWCNTs are made and the specimens are subjected to the tensile test. The results exhibit that addition of MWCNTs with low concentration leads to improvement in the mechanical properties of the vinyl ester polymer such that the optimum mechanical properties are obtained with 0. 25wt% of MWCNTs. In this case, the fracture Toughness, Tensile strength and Young’ s modulus are respectively enhanced by amount of 52%, 23%, and 14%. In order to validate the experimental results and investigation the role of MWCNTs on tensile behavior of vinyl ester resin, the scanning electron microscope (SEM) is used and the most important failure mechanisms are discussed and studied in details. Also, in order to provide a theoretical model for predicting the elastic modulus of the nanocomposite, the experimental results are compared with existing theoretical models and a new correction factor based on the Hirsch’ s theory and experimental results is introduced for future industrial applications.

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APA: Copy

Setoodeh, Alireza, Sokhandani, Navid, & Zebarjad, Sayed Mojtaba. (2019). Theoretical and experimental study on the effect of multi-walled carbon nanotubes on improving the tensile properties and toughness of Vinyl ester resin. JOURNAL OF SCIENCE AND TECHNOLOGY OF COMPOSITES (JSTC), 5(4 ), 539-550. SID. https://sid.ir/paper/251670/en

Vancouver: Copy

Setoodeh Alireza, Sokhandani Navid, Zebarjad Sayed Mojtaba. Theoretical and experimental study on the effect of multi-walled carbon nanotubes on improving the tensile properties and toughness of Vinyl ester resin. JOURNAL OF SCIENCE AND TECHNOLOGY OF COMPOSITES (JSTC)[Internet]. 2019;5(4 ):539-550. Available from: https://sid.ir/paper/251670/en

IEEE: Copy

Alireza Setoodeh, Navid Sokhandani, and Sayed Mojtaba Zebarjad, “Theoretical and experimental study on the effect of multi-walled carbon nanotubes on improving the tensile properties and toughness of Vinyl ester resin,” JOURNAL OF SCIENCE AND TECHNOLOGY OF COMPOSITES (JSTC), vol. 5, no. 4 , pp. 539–550, 2019, [Online]. Available: https://sid.ir/paper/251670/en

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