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Deformation and fracture of glass-mat-reinforced polypropylene
Luleå tekniska universitet.
Luleå tekniska universitet.
1992 (English)In: Composites Science And Technology, ISSN 0266-3538, E-ISSN 1879-1050, Vol. 43, no 3, p. 269-281Article in journal (Refereed) Published
Abstract [en]

The mechanical properties of glass-mat-reinforced thermoplastics, GMT, can be varied within wide limits through the choice of glass mat, fibre content, and thermoplastic matrix. A great variety of fibre configurations and fibre contents is commercially available. In order to understand how the fibre structure of GMT materials controls the mechanical properties, two structurally different GMT materials were studied. Several grades with different fibre contents were used for each material. One material had short fibres (12 mm long), discretely dispersed with in-plane random orientation. The other material had in-plane continuous looped bundles of fibres. The deformation and fracture of these materials have been studied as a function of fibre content. The present work shows that the material with discretely dispersed fibres has higher values of tensile creep modulus, tensile strength, elongation at fracture, and work of fracture (area under the stress/strain curve). The results are discussed and related to the structural differences between the two materials.

Place, publisher, year, edition, pages
1992. Vol. 43, no 3, p. 269-281
National Category
Composite Science and Engineering
Research subject
Polymeric Composite Materials
Identifiers
URN: urn:nbn:se:ltu:diva-10500DOI: 10.1016/0266-3538(92)90098-NLocal ID: 95047f40-1045-11dc-b9dd-000ea68e967bOAI: oai:DiVA.org:ltu-10500DiVA, id: diva2:983445
Note
Godkänd; 1992; 20070601 (cira)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-21Bibliographically approved

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