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Finite Element Modelling and Experimental Validation of Scratches on Textured Polymer Surfaces

Gao, Weimin, Wang, L, Coffey, JK, Wu, H and Daver, F 2021, Finite Element Modelling and Experimental Validation of Scratches on Textured Polymer Surfaces, Polymers, vol. 13, no. 7, pp. 1-17, doi: 10.3390/polym13071022.

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Title Finite Element Modelling and Experimental Validation of Scratches on Textured Polymer Surfaces
Author(s) Gao, WeiminORCID iD for Gao, Weimin orcid.org/0000-0002-7390-169X
Wang, L
Coffey, JK
Wu, H
Daver, F
Journal name Polymers
Volume number 13
Issue number 7
Article ID 1022
Start page 1
End page 17
Total pages 17
Publisher MDPI
Place of publication Basel, Switzerland
Publication date 2021
ISSN 2073-4360
2073-4360
Keyword(s) finite element modelling
Physical Sciences
Polymer Science
Science & Technology
scratch
scratch resistance
textured surface
thermoplastic polymer
Summary Surface texturing is a common modification method for altering the surface properties of a material. Predicting the response of a textured surface to scratching is significant in surface texturing and material design. In this study, scratches on a thermoplastic material with textured surface are simulated and experimentally tested. The effect of texture on scratch resistance, surface visual appearance, surface deformation and material damage are investigated. Bruise spot scratches on textured surfaces are found at low scratch forces (<3 N) and their size at different scratch forces is approximately the same. There is a critical point between the bruise spot damage and the texture pattern damage caused by continuous scratching. Scratch resistance coefficients and an indentation depth-force pattern are revealed for two textured surfaces. A texture named “Texture CB” exhibits high effectiveness in enhancing scratch visibility resistance and can increase the scratch resistance by more than 40% at low scratch forces. The simulation method and the analysis of the power spectral density of the textured surface enable an accurate prediction of scratches.
Language eng
DOI 10.3390/polym13071022
Field of Research 03 Chemical Sciences
09 Engineering
HERDC Research category C1.1 Refereed article in a scholarly journal
Free to Read? Yes
Persistent URL http://hdl.handle.net/10536/DRO/DU:30149840

Document type: Journal Article
Collections: Institute for Frontier Materials
Open Access Collection
GTP Research
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.