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Mechanical performance of yew (Taxus baccata L.) from a longbow perspective
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.
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2013 (English)In: Holzforschung, ISSN 0018-3830, Vol. 67, no 7, 763-770 p.Article in journal (Refereed) Published
Abstract [en]

Yew (Taxus baccata L.) longbow was the preferred weapon in the Middle Ages until the emergence of guns. In this study, the tensile, compression, and bending properties of yew were investigated. The advantage of yew over the other species in the study was also confirmed by a simple beam model. The superior toughness of yew has the effect that a yew longbow has a higher range compared with bows made from other species. Unexpectedly, the mechanical performance of a bow made from yew is influenced by the juvenile-to-mature wood ratio rather than by the heartwood-to-sapwood ratio. A yew bow is predicted to have maximized performance at a juvenile wood content of 30-50%, and located at the concave side (the compressive side facing the bowyer). Here, the stiffness and yield stress in compression should be as high as possible.

Place, publisher, year, edition, pages
2013. Vol. 67, no 7, 763-770 p.
Keyword [en]
archery, axial strength, bending tests, longbow, yew (Taxus baccata L.)
National Category
Biomaterials Science
URN: urn:nbn:se:kth:diva-141981DOI: 10.1515/hf-2012-0151ISI: 000330365900006ScopusID: 2-s2.0-84906963119OAI: diva2:699274

QC 20140227

Available from: 2014-02-27 Created: 2014-02-27 Last updated: 2014-02-27Bibliographically approved

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Bjurhager, IngelaBerglund, Lars A.
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