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Effect of tufting density and loop length on the crushing behaviour of tufted sandwich specimens

Research output: Contribution to journalArticle

Original languageEnglish
Pages (from-to)49-56
Number of pages8
JournalComposites Part B: Engineering
Volume112
Early online date19 Dec 2016
DOIs
DateAccepted/In press - 16 Dec 2016
DateE-pub ahead of print - 19 Dec 2016
DatePublished (current) - 1 Mar 2017

Abstract

A series of small scale specimens were tested to identify if local variations during the manufacturing process influence the energy absorbed during the crushing of tufted sandwich structures. Coupons with varying loop lengths and number of tufts were tested in quasi-static and dynamic edgewise compression. Results of the testing showed that the effect of a single tuft was captured at this small scale, whilst the tufting parameters changed the damage behaviour, including the response of the resin column during testing. Increasing the number of tufts at a single point, from one to two or three, gave rise to a greater energy absorption, but variations in loop length were less conclusive.

    Research areas

  • 3-Dimensional reinforcement, Defects, Mechanical testing, Tufting

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    Rights statement: This is the final published version of the article (version of record). It first appeared online via Elsevier at http://www.sciencedirect.com/science/article/pii/S1359836816331432. Please refer to any applicable terms of use of the publisher.

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