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NOTCH AND STRAIN RATE SENSITIVITY OF NON CRIMP FABRIC COMPOSITES
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering.
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering.ORCID iD: 0000-0002-9744-4550
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering.ORCID iD: 0000-0002-1187-4796
2007 (English)In: ICCM16, 2007Conference paper, Published paper (Other academic)
Abstract [en]

The notch and strain rate sensitivity of noncrimp glass fibre/vinyl-ester laminates subjected to uniaxial tensile loads has been investigated experimentally. Two set of notch configurations were tested; one where circular holes were drilled and another where fragment simulating projectiles were fired through the plate creating a notch. Experiments were conducted for strain rates ranging from 10-4/s to 102/s using servo hydraulic machines. A significant increase in strength with increasing strain rate was observed for both notched and unnotched specimens. High speed photography revealed changes in failure mode, for certain laminate configurations, as the strain rate increased. The tested laminate configurations showed fairly small notch sensitivity for the whole range of strain rates.

Place, publisher, year, edition, pages
2007.
Keyword [en]
strain rate, non-crimp, notch sensitivity, glass fibre, vinyl-ester, dynamic, impact
National Category
Composite Science and Engineering
Identifiers
URN: urn:nbn:se:kth:diva-166243OAI: oai:DiVA.org:kth-166243DiVA: diva2:810024
Conference
16TH INTERNATIONAL CONFERENCE ON COMPOSITE MATERIALS,JUL 06-11 2007, Kyoto, Japan
Note

QC 20150506

Available from: 2015-05-06 Created: 2015-05-06 Last updated: 2015-05-06Bibliographically approved

Open Access in DiVA

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