Journal of Textile Research ›› 2021, Vol. 42 ›› Issue (12): 49-54.doi: 10.13475/j.fzxb.20201208206

• Fiber Materials • Previous Articles     Next Articles

Analysis on cross-sectional structure of moso bamboo using three-dimensional microscope imaging

CHEN Hainiao, TIAN Wei, JIN Xiaoke, ZHANG Hongxia, LI Yanqing, ZHU Chengyan()   

  1. Key Laboratory of Advanced Textile Materials & Manufacturing Technology, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, China
  • Received:2020-12-31 Revised:2021-08-09 Online:2021-12-15 Published:2021-12-30
  • Contact: ZHU Chengyan E-mail:cyzhu@zstu.edu.cn

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Abstract:

In order to study the characteristics and distribution of the cross-sectional structure of moso bamboo, X-ray three-dimensional microscope was used to study the vascular bundle and the parenchyma cell structure of the basic tissue of moso bamboo, and the distribution rules of the long and short axis, area, volume fraction and parenchyma cell area of the vascular bundle were analyzed. The results showed that from the outside to the inside of the cross-section of moso bamboo, the vascular bundle long axis gradually decreased, the short axis gradually increased, and finally the long and short axis tended to be the same. After that, the vascular bundle area gradually increased, and the volume fraction gradually decreased. The adjacent center wheelbase increased, and the area of a single parenchyma cell gradually decreased. On the whole, the cross-section of moso bamboo demonstrated a gradient change. Inspired by the gradient change of bamboo cross-section, the gradient change could be applied to the engineering of bionic composites for specific properties. The gradient change of the overall structure of biomimetic composites can be realized by changing the distribution of fiber and resin. When it is applied to the design of biomimetic composites, the research of biomimetic fiber composites can be carried out.

Key words: X-ray three-dimensional microscope, moso bamboo structure, vascular bundle, moso bamboo-like composite material

CLC Number: 

  • TS101.4

Fig.1

Optical magnification principle of X-ray three-dimensional microscope"

Fig.2

Three-dimensionsal reconstruction of moso bamboo"

Fig.3

Cross-section of bamboo and its definition. (a) Bamboo cross-section image;(b) Definition of components of moso bamboo"

Fig.4

Vascular bundle distribution diagram"

Fig.5

Vascular bundle of moso bamboo changes from outside to inside"

Tab.1

Mean area of vascular bundle and vesselmm2"

结构名称 单个维管束面积 单个导管面积
竹璧外侧(半开放型) 0.109 2 0.004 2
竹璧内侧(开放型) 0.122 5 0.007 2

Fig.6

Vascular bundle area and variation. (a) Sectional area distribution; (b) Variation of vascular bundle volume fraction and wheelbase"

Fig.7

Moso bamboo cross-section image. (a) Local enlarged cross-section diagram; (b) Local magnification of cross-section image"

Tab.2

Changes of single parenchyma cell area"

点A所在切线距离/mm 单个薄壁细胞面积/mm2
0.19 0.000 6
0.38 0.001 5
0.57 0.002 1
0.76 0.002 7
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