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Micromechanisms of delamination failure in RTM U-beams
Swedish Institute of Composites.
Luleå tekniska universitet.
1997 (English)In: Composites. Part A, Applied science and manufacturing, ISSN 1359-835X, E-ISSN 1878-5840, Vol. 28, no 8, p. 709-717Article in journal (Refereed) Published
Abstract [en]

In a previous study, resin transfer moulded U-beams were subjected to opening tensile loads applied to the flanges. The failure behaviour was sensitive to the void content of the material. In the present study, we use optical microscopy of polished edges to observe mechanisms of failure in-situ as delaminations develop in the beam radius. Descriptions of these failure mechanisms are presented. Voids were found to facilitate the growth phase of the delamination process in the beam radius. The mechanisms described will be used in a forthcoming stress analysis to explain the experimentally observed failure behaviour of beams with different radii and void contents.

Place, publisher, year, edition, pages
1997. Vol. 28, no 8, p. 709-717
National Category
Composite Science and Engineering
Research subject
Polymeric Composite Materials
Identifiers
URN: urn:nbn:se:ltu:diva-10399DOI: 10.1016/S1359-835X(97)00014-6ISI: A1997XK00200004Local ID: 93437660-8bac-11dc-a33e-000ea68e967bOAI: oai:DiVA.org:ltu-10399DiVA, id: diva2:983344
Note
Godkänd; 1997; 20071105 (cira)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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