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Damage at high strain rates in semi-crystalline polymers
KTH, School of Architecture and the Built Environment (ABE), Transport Science, Highway and Railway Engineering.ORCID iD: 0000-0001-7333-1140
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2015 (English)In: International Journal of Impact Engineering, ISSN 0734-743X, E-ISSN 1879-3509, Vol. 76, 1-8 p.Article in journal (Refereed) Published
Abstract [en]

A specific damage characterization method using Digital Image Correlation for semi-crystalline polymers is proposed for a wide range of strain rates. This damage measurement is an extension of the SEE method [16] which was developed to characterize the behaviour laws at constant strain rates of polymeric materials. This procedure is compared to the well-known damage characterization by loss of stiffness technique under quasi-static loading. In addition, an in-situ tensile test, carried out in a microtomograph, is used to observe the cavitation phenomenon in real time. The different ways used to evaluate the damage evolution are compared and the proposed technique is also suitable for measuring the ductile damage observed in semi-crystalline polymers under dynamic loading.

Place, publisher, year, edition, pages
2015. Vol. 76, 1-8 p.
Keyword [en]
Damage, Digital image correlation, Microtomograph, Semi-crystalline polymers, High strain rates
National Category
Applied Mechanics
Identifiers
URN: urn:nbn:se:kth:diva-160047DOI: 10.1016/j.ijimpeng.2014.08.013ISI: 000346541800001Scopus ID: 2-s2.0-84907737388OAI: oai:DiVA.org:kth-160047DiVA: diva2:793290
Note

QC 20150306

Available from: 2015-03-06 Created: 2015-02-13 Last updated: 2017-12-04Bibliographically approved

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Balieu, Romain

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