Examining the Quasi-Static Uniaxial Compressive Behaviour of Commercial High-Performance Epoxy Matrices Article Swipe
Joseph Gargiuli
,
Gustavo Quino
,
R. G. Board
,
James C. Griffith
,
Milo S. P. Shaffer
,
Richard S. Trask
,
Ian Hamerton
·
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.3390/polym15194022
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.3390/polym15194022
Four commercial high-performance aerospace aromatic epoxy matrices, CYCOM®890, CYCOM®977-2, PR520, and PRISM EP2400, were cured to a standardised 2 h, 180 °C cure cycle and evaluated in quasi-static uniaxial compression, as well as by dynamic scanning calorimetry (DSC) and thermogravimetric analysis (TGA). The thermoplastic toughened CYCOM®977-2 formulation displayed an overall increase in true axial stress values across the entire stress–strain curve relative to the baseline CYCOM®890 sample. The particle-toughened PR520 sample exhibited an overall decrease in true axial stress values past the yield point of the material. The PRISM EP2400 resin, with combined toughening agents, led to true axial stress values across the entire plastic region of the stress–strain curve, which were in line with the stress values observed with the CYCOM®890 material. Interestingly, for all formulations, the dilation angles (associated with the volume change during plastic deformation), recorded at 0.3 plastic strain, were close to 0°, with the variations reflecting the polymer structure. Compression data collected for this series of commercial epoxy resins are in broad agreement with a selection of model epoxy resins based on di- and tetra-functional monomers, cured with polyamines or dicarboxylic anhydrides. However, the fully formulated resins demonstrate a significantly higher compressive modulus than the model resins, albeit at the expense of yield stress.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3390/polym15194022
- https://www.mdpi.com/2073-4360/15/19/4022/pdf?version=1696745917
- OA Status
- gold
- Cited By
- 2
- References
- 29
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4387456958
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4387456958Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.3390/polym15194022Digital Object Identifier
- Title
-
Examining the Quasi-Static Uniaxial Compressive Behaviour of Commercial High-Performance Epoxy MatricesWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
-
2023Year of publication
- Publication date
-
2023-10-08Full publication date if available
- Authors
-
Joseph Gargiuli, Gustavo Quino, R. G. Board, James C. Griffith, Milo S. P. Shaffer, Richard S. Trask, Ian HamertonList of authors in order
- Landing page
-
https://doi.org/10.3390/polym15194022Publisher landing page
- PDF URL
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https://www.mdpi.com/2073-4360/15/19/4022/pdf?version=1696745917Direct link to full text PDF
- Open access
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YesWhether a free full text is available
- OA status
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goldOpen access status per OpenAlex
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https://www.mdpi.com/2073-4360/15/19/4022/pdf?version=1696745917Direct OA link when available
- Concepts
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Materials science, Epoxy, Composite material, Thermogravimetric analysis, Thermoplastic, Compressive strength, Yield (engineering), Stress (linguistics), Compression (physics), Modulus, Philosophy, Chemistry, Linguistics, Organic chemistryTop concepts (fields/topics) attached by OpenAlex
- Cited by
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2Total citation count in OpenAlex
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2024: 1, 2023: 1Per-year citation counts (last 5 years)
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29Number of works referenced by this work
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10Other works algorithmically related by OpenAlex
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