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Notched strength of long- and short-fibre reinforced polyamide
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Lightweight Structures.
1992 (English)In: Composites Science and Technology, ISSN 02663538 (ISSN), Vol. 45, no 1, 43-54 p.Article in journal (Refereed) Published
Abstract [en]

A test programme has been conducted to evaluate the tensile strength of injection moulded plates with machined and moulded-in notches. The long-fibre compound, Verton, is consistently less notch sensitive than the short-fibre compound, Maranyl. Moulded-in holes appear to have several advantages over machined holes: they yield up to 25% higher strength and less sensitivity to plate thickness and injection speed. Five existing laminate fracture models are applied to the machine-notched plates; the average stress criterion and the damage zone model give the most accurate predictions. © 1992.

Place, publisher, year, edition, pages
1992. Vol. 45, no 1, 43-54 p.
Keyword [en]
composite, cracks, fracture, holes, injection moulding, strength, Materials Testing - Fracture, Materials Testing - Tensile Tests, Plates - Injection Molding, Damage Zone Model, Laminate Fracture Models, Maranyl, Notched Strength, Verton, Polyamides
National Category
Applied Mechanics
URN: urn:nbn:se:kth:diva-80059OAI: diva2:495949

Correspondence Address: Toll, S.; Department of Aeronautical Structures and Materials, Royal Institute of Technology, S-100 44 Stockholm, Sweden

NR 20140805Available from: 2012-02-09 Created: 2012-02-09 Last updated: 2014-04-08Bibliographically approved

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