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Notch sensitivity and damage mechanisms of glass mat reinforced polypropylene
Luleå tekniska universitet.
Luleå tekniska universitet.
1997 (English)In: Polymer Composites, ISSN 0272-8397, E-ISSN 1548-0569, Vol. 18, no 1, p. 40-47Article in journal (Refereed) Published
Abstract [en]

Notch Sensitivities of two structurally different glass-mat reinforced polypropylene materials (GMT) were investigated. Center hole notches in tensile specimens were used in the tests. The results show that the short fiber material has higher unnotched strength, but also higher notch sensitivity compared to a swirled mat material. Reasons for this are discussed, focusing on microstructural differences. Predictions from four different failure criteria were compared with the experimental notched strength data. The point stress and damage zone criteria were found to give the best descriptions.

Place, publisher, year, edition, pages
1997. Vol. 18, no 1, p. 40-47
National Category
Composite Science and Engineering
Research subject
Polymeric Composite Materials
Identifiers
URN: urn:nbn:se:ltu:diva-8420DOI: 10.1002/pc.10259ISI: A1997WK68300005Local ID: 6eec7150-8bab-11dc-a33e-000ea68e967bOAI: oai:DiVA.org:ltu-8420DiVA, id: diva2:981358
Note
Godkänd; 1997; 20071105 (cira)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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