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Notch toughness of fiber mat composites
Luleå tekniska universitet.
Luleå tekniska universitet.
1997 (English)In: Proceedings of the American Society for Composites: twelfth technical conference, October 6 - 8, 1997, the Dearborn Inn, Dearborn, Michigan / [ed] Ronald F. Gibson, Society of Plastics Engineers, 1997, 197-206 p.Conference paper, Published paper (Refereed)
Abstract [en]

The term fiber mat composites is meant to describe any composite material based on discrete fibers, often with an orientation distribution of the fibers which is random-in-the-plane. Glass mat thermoplastics based on polypropylene belong to this group of materials and are becoming increasingly used. In a simplistic way of reasoning, PP is a tough polymer and is expected to show good performance as a composite matrix. In the present work, unnotched and notched strengths at room temperature and at -30°C were investigated. Increases in strength and stiffness with lowered temperature are caused by increased matrix modulus and yield stress. The damage zone at the notch root plays a key role in determining composite toughness. Its size and ability to carry tractions determines the notch toughness of the composite

Place, publisher, year, edition, pages
Society of Plastics Engineers, 1997. 197-206 p.
Research subject
Polymeric Composite Materials
Identifiers
URN: urn:nbn:se:ltu:diva-39985Local ID: ef174590-fca7-11dc-a946-000ea68e967bISBN: 1-56676-606-0 (print)OAI: oai:DiVA.org:ltu-39985DiVA: diva2:1013505
Conference
American Society for Composites Technical Conference : 06/10/1997 - 08/10/1997
Note
Godkänd; 1997; 20080328 (cira)Available from: 2016-10-03 Created: 2016-10-03Bibliographically approved

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