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The mechanical properties of bamboo and vascular bundles

Published online by Cambridge University Press:  06 October 2011

Hongbo Li  and
Shengping Shen
Hongbo Li
Affiliation:
State Key Laboratory for Strength and Vibration, School of Aerospace, Xi’an Jiaotong University, Shaanxi 710049, People’s Republic of China; and College of Engineering, Shanxi Agricultural University, Taigu, Shanxi 030801, People’s Republic of China
Shengping Shen*
Affiliation:
State Key Laboratory for Strength and Vibration, School of Aerospace, Xi’an Jiaotong University, Shaanxi 710049, People’s Republic of China
*
a)Address all correspondence to this author. e-mail: [email protected]
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Abstract

Bamboo is a typical natural fiber-reinforced composite material with superior mechanical properties. As the reinforce phase in bamboo composite, the vascular bundles were extracted from different height locations of a Moso bamboo with an alkali treatment method, and the mechanical properties were investigated via the tensile test. It is found that both the longitudinal Young’s modulus and strength of the vascular bundles are linearly increased from the inner to outer side. To study the variation of mechanical properties of bamboo culm along the radial direction, thin bamboo slices were also tested. Using a modified rule of mixtures, the longitudinal Young’s modulus of bamboo slices are analyzed and excellent agreement can be found between experimental and theoretical results, which indicates that the longitudinal Young’s modulus of bamboo culm is cubically increased in the radial direction.

Keywords

BiomaterialCompositeFiber
Type
Articles
Information
Journal of Materials Research , Volume 26 , Issue 21 , 14 November 2011 , pp. 2749 - 2756
Copyright
Copyright © Materials Research Society 2011

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