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Fracture prediction in flat PMMA notched specimens under tension - effectiveness of the equivalent material concept and fictitious material concept
Abstract
The fracture of notched elements under mode I loading (tension) remains an inexhaustible research topic, especially when it comes to the fracture of thermoplastic materials such as polymethylmethacrylate (PMMA), which experience considerable plastic strains under tension. The paper points out that traditional brittle fracture criteria such as mean stress (MS) or maximum tangential stress (MTS) criteria used to predict this phenomenon do not accurately indicate the value of the critical load. They work much better when combined with the equivalent material concept (EMC) and fictitious material concept (FMC). The effectiveness of both concepts depends on the size of the notch root radius, and thus on the yield zone size.
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Authors (3)
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Elżbieta Bura
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A.r. Torabi
Cite as
Full text
- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.tafmec.2024.104273
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Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
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THEORETICAL AND APPLIED FRACTURE MECHANICS
no. 130,
ISSN: 0167-8442 - Language:
- English
- Publication year:
- 2024
- Bibliographic description:
- Bura E., Torabi A., Seweryn A.: Fracture prediction in flat PMMA notched specimens under tension - effectiveness of the equivalent material concept and fictitious material concept// THEORETICAL AND APPLIED FRACTURE MECHANICS -Vol. 130, (2024), s.104273-
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.tafmec.2024.104273
- Sources of funding:
-
- Free publication
- Verified by:
- Gdańsk University of Technology
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