Preparation of bioinspired graphene oxide/PMMA nanocomposite with improved mechanical properties

Hiran Chathuranga; Kimal Chandula Wasalathilake; Ifra Marriam; Jennifer MacLeod; Zhanying Zhang; Ruixiang Bai; Zhenkun Lei; Yan Li; Yinong Liu; Hong Yang; Cheng Yan

doi:10.1016/j.compscitech.2021.109046

Preparation of bioinspired graphene oxide/PMMA nanocomposite with improved mechanical properties

Hiran Chathuranga, Kimal Chandula Wasalathilake, Ifra Marriam, Jennifer MacLeod, Zhanying Zhang, Ruixiang Bai, Zhenkun Lei, Yan Li, Yinong Liu, Hong Yang, Cheng Yan

Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

25 Citations (Web of Science)

Abstract

Strength and toughness have been often considered as mutually exclusive properties in many synthetic materials. Natural materials like nacre have overcome this conflict by optimizing internal architecture at the nanoscale. In this work, nacre-inspired graphene oxide (GO)-poly (methyl methacrylate) (PMMA) nanocomposite is fabricated, which has a “brick and mortar” microstructure and enhanced interfacial strength. It has a tensile strength of 261 ± 7 MPa and toughness of 5 ± 0.2 MJ m⁻³, which are 55% and 42% greater than conventional GO/PMMA nanocomposites. In addition, the nanocomposite has excellent stability in wet environments. This work, therefore, provides a facile method to fabricate novel nanocomposites with improved mechanical properties.

Original language	English
Article number	109046
Journal	Composites Science and Technology
Volume	216
DOIs	https://doi.org/10.1016/j.compscitech.2021.109046
Publication status	Published - 10 Nov 2021

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10.1016/j.compscitech.2021.109046

https://eprints.qut.edu.au/213623/Licence: CC BY-NC-ND

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@article{c1891dd7d9ab4206a4edfb0f51642bf8,

title = "Preparation of bioinspired graphene oxide/PMMA nanocomposite with improved mechanical properties",

abstract = "Strength and toughness have been often considered as mutually exclusive properties in many synthetic materials. Natural materials like nacre have overcome this conflict by optimizing internal architecture at the nanoscale. In this work, nacre-inspired graphene oxide (GO)-poly (methyl methacrylate) (PMMA) nanocomposite is fabricated, which has a “brick and mortar” microstructure and enhanced interfacial strength. It has a tensile strength of 261 ± 7 MPa and toughness of 5 ± 0.2 MJ m−3, which are 55% and 42% greater than conventional GO/PMMA nanocomposites. In addition, the nanocomposite has excellent stability in wet environments. This work, therefore, provides a facile method to fabricate novel nanocomposites with improved mechanical properties.",

keywords = "A. Graphene and other 2D-materials, A. Nanocomposites, A. polymer-matrix composites (PMCs), B. Interface, B. Mechanical properties",

author = "Hiran Chathuranga and {Chandula Wasalathilake}, Kimal and Ifra Marriam and Jennifer MacLeod and Zhanying Zhang and Ruixiang Bai and Zhenkun Lei and Yan Li and Yinong Liu and Hong Yang and Cheng Yan",

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doi = "10.1016/j.compscitech.2021.109046",

language = "English",

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journal = "Composites Science and Technology",

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T1 - Preparation of bioinspired graphene oxide/PMMA nanocomposite with improved mechanical properties

AU - Chathuranga, Hiran

AU - Chandula Wasalathilake, Kimal

AU - Marriam, Ifra

AU - MacLeod, Jennifer

AU - Zhang, Zhanying

AU - Bai, Ruixiang

AU - Lei, Zhenkun

AU - Li, Yan

AU - Liu, Yinong

AU - Yang, Hong

AU - Yan, Cheng

PY - 2021/11/10

Y1 - 2021/11/10

N2 - Strength and toughness have been often considered as mutually exclusive properties in many synthetic materials. Natural materials like nacre have overcome this conflict by optimizing internal architecture at the nanoscale. In this work, nacre-inspired graphene oxide (GO)-poly (methyl methacrylate) (PMMA) nanocomposite is fabricated, which has a “brick and mortar” microstructure and enhanced interfacial strength. It has a tensile strength of 261 ± 7 MPa and toughness of 5 ± 0.2 MJ m−3, which are 55% and 42% greater than conventional GO/PMMA nanocomposites. In addition, the nanocomposite has excellent stability in wet environments. This work, therefore, provides a facile method to fabricate novel nanocomposites with improved mechanical properties.

AB - Strength and toughness have been often considered as mutually exclusive properties in many synthetic materials. Natural materials like nacre have overcome this conflict by optimizing internal architecture at the nanoscale. In this work, nacre-inspired graphene oxide (GO)-poly (methyl methacrylate) (PMMA) nanocomposite is fabricated, which has a “brick and mortar” microstructure and enhanced interfacial strength. It has a tensile strength of 261 ± 7 MPa and toughness of 5 ± 0.2 MJ m−3, which are 55% and 42% greater than conventional GO/PMMA nanocomposites. In addition, the nanocomposite has excellent stability in wet environments. This work, therefore, provides a facile method to fabricate novel nanocomposites with improved mechanical properties.

KW - A. Graphene and other 2D-materials

KW - A. Nanocomposites

KW - A. polymer-matrix composites (PMCs)

KW - B. Interface

KW - B. Mechanical properties

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U2 - 10.1016/j.compscitech.2021.109046

DO - 10.1016/j.compscitech.2021.109046

M3 - Article

AN - SCOPUS:85115325717

SN - 0266-3538

VL - 216

JO - Composites Science and Technology

JF - Composites Science and Technology

M1 - 109046

ER -

Preparation of bioinspired graphene oxide/PMMA nanocomposite with improved mechanical properties

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Bio-inspired design overcoming strength-toughness trade-off of composites

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Preparation of bioinspired graphene oxide/PMMA nanocomposite with improved mechanical properties

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Bio-inspired design overcoming strength-toughness trade-off of composites

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