A novel approach to evaluate the mechanical responses of elastin-like bioresorbable poly(glycolide-co-caprolactone) (PGCL) suture

Low, Y. J. and Kittur, M. I. and Andriyana, Andri and Ang, Bee Chin and Abidin, Nor Ishida Zainal (2023) A novel approach to evaluate the mechanical responses of elastin-like bioresorbable poly(glycolide-co-caprolactone) (PGCL) suture. Journal of the Mechanical Behavior of Biomedical Materials, 140. ISSN 1751-6161, DOI https://doi.org/10.1016/j.jmbbm.2023.105723.

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Abstract

Poly(glycolide-co-caprolactone) (PGCL) has become a novice to the bioresorbable suture owing to the synergistic properties taken from the homo-polyglycolide (PGA) and polycaprolactone (PCL) such as excellent bioresorption and flexibility. In addition to under conventional monotonic loading, the understanding of mechanical responses of PGCL copolymers under complex loading conditions such as cyclic and stress relaxation is crucial for its application as a surgical suture. Consequently, the present work focuses on evaluating the mechanical responses of PGCL sutures under monotonic, cyclic, and stress relaxation loading conditions. Under monotonic loading, the stress-strain behavior of the PGCL suture was found to be non-linear with noticeable strain-rate dependence. Under cyclic loading, inelastic responses including stress-softening, hysteresis and permanent set were observed. During cyclic loading, both stress-softening and hysteresis were found to increase with the maximum strain. In multi-step stress relaxa

Item Type: Article
Funders: UNSPECIFIED
Uncontrolled Keywords: Poly(glycolide-co-caprolactone); Poliglecaprone; Bioresorbable; Monofilament suture; Mechanical responses; Uniaxial monotonic tensile test; Cyclic loading test; Stress relaxation test; Polymer conformation; Strain induced crystallization
Subjects: T Technology > T Technology (General)
T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TJ Mechanical engineering and machinery
Divisions: Faculty of Engineering
Faculty of Engineering > Department of Chemical Engineering
Faculty of Engineering > Department of Mechanical Engineering
Depositing User: Ms Zaharah Ramly
Date Deposited: 16 Oct 2024 06:11
Last Modified: 16 Oct 2024 06:11
URI: http://eprints.um.edu.my/id/eprint/38598

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