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A biaxial thermomechanical disk test for glassy polymers
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.ORCID iD: 0000-0003-0630-2037
Luleå tekniska universitet.
1997 (English)In: Experimental mechanics, ISSN 0014-4851, E-ISSN 1741-2765, Vol. 37, no 1, p. 96-101Article in journal (Refereed) Published
Abstract [en]

Failure criteria for polymers need to include effects from the stress state. For this reason, biaxial test results are of interest. However, biaxial test methods usually require expensive equipment. In the test method presented here, a disk of epoxy is bonded between a steel ring and a steel disk. The temperature is then lowered until fracture is observed. Experiments were performed on three different glassy epoxy polymers. The biaxial stress state was analyzed by finite element analysis and by an approximate analytical model. Experimental observations support the ability of the method to provide material property data. An approximate analytical model was found sufficiently accurate for stress analysis and determination of the stress state at failure

Place, publisher, year, edition, pages
1997. Vol. 37, no 1, p. 96-101
National Category
Composite Science and Engineering
Research subject
Polymeric Composite Materials
Identifiers
URN: urn:nbn:se:ltu:diva-16114DOI: 10.1007/BF02328755ISI: A1997WL45500016Local ID: fb1a58e0-021c-11dc-ad0a-000ea68e967bOAI: oai:DiVA.org:ltu-16114DiVA, id: diva2:989090
Note
Godkänd; 1997; 20070514 (cira)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Asp, Leif

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