Assessment of Compressive Mechanical Behavior of Bis-GMA Polymer Using Hyperelastic Models

Karimzadeh, Atefeh and Ayatollahi, Majid Reza and Rahimian Koloor, Seyed Saeid and Bushroa, Abdul Razak and Yahya, Mohd Yazid and Tamin, Mohd Nasir (2019) Assessment of Compressive Mechanical Behavior of Bis-GMA Polymer Using Hyperelastic Models. Polymers, 11 (10). p. 1571. ISSN 2073-4360

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Despite wide industrial applications of Bis-GMA polymer, very few studies are available about the material classification, mechanical properties, and behavior of this material. In this study, the compressive behavior of Bis-GMA polymer was studied using different hyperelastic constitutive models through a hybrid experimental-computational process. Standard uniaxial compression tests were conducted to extract the mechanical behavior and structural response of the Bis-GMA polymer. A nano-indentation experiment was used to verify the compressive behavior of Bis-GMA polymer in the form of hyperelastic behavior. The finite element model and real-time simulation of the test incorporating different hyperelastic models were developed in comparison with the experimental finding to obtain the proper type of hyperelastic behavior of Bis-GMA polymer. The results indicate that a second-order polynomial hyperelastic model is the best fit to predict the behavior of Bis-GMA polymer. Next, the validated model was used to determine the true stress-strain curve of the Bis-GMA polymer. © 2019 by the authors.

Item Type: Article
Uncontrolled Keywords: Bis-GMA polymer; hyperelastic constitutive model; compressive behavior; finite element method; nano-indentation experiment
Subjects: T Technology > TJ Mechanical engineering and machinery
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 13 Apr 2020 06:04
Last Modified: 13 Apr 2020 06:04

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