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Variation of mechanical properties of single bamboo fibers (Dendrocalamus latiflorus Munro) with respect to age and location in culms

Authors
  • Wang, Hankun
  • An, Xiaojing
  • Li, Wanju
  • Wang, Hao
  • Yu, Yan
Type
Published Article
Journal
Holzforschung
Publisher
De Gruyter
Publication Date
Sep 26, 2013
Volume
68
Issue
3
Pages
291–297
Identifiers
DOI: 10.1515/hf-2013-0081
Source
De Gruyter
Keywords
License
Yellow

Abstract

There is a growing need to characterize the mechanical properties of single bamboo fibers with their high potential in commercial applications. In this paper, an improved microtensile technique has been applied to measure the tensile strength of fibers isolated from Ma bamboo (Dendrocalamus latiflorus Munro) as an important commercial bamboo species in China. The property variation with respect to the age and locations within a culm was in focus. Ma bamboo fibers had superior stiffness and strength data compared with those of softwood fibers. Four-year-old Ma bamboo fibers are stiffer and stronger than 1-year-old fibers. Their in-trunk variation is rather small both in radial and longitudinal directions. This is due to the relatively constant microfibrillar angle in bamboo culms. Accordingly, the large variations in the bulk mechanical properties of bamboo are mainly attributable to fiber distribution density in the culm rather than the fiber itself.

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