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Axial tensile properties and flexibility characteristics of elementary units from multidimensional bamboo-based composites: radial and tangential moso bamboo slivers

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Published/Copyright: May 28, 2018
Holzforschung
From the journal Holzforschung Volume 72 Issue 9

Abstract

Bamboo sliver (BS) is a potential elementary unit for multidimensional bamboo-based composites (MBBCs). Axial tensile and flexibility characteristics of thin radial (R) and tangential (T) BSs (BSR and BST with a thickness of 0.5–2.0 mm) have been studied. Axial tensile strength (AxTS) and modulus of elasticity (AxMOE) were positively correlated with the vascular tissue ratio (VTR), and the tensile properties of slices with 43–51% VTR increased more rapidly than in the VTR range of 20–36%. In axial tensile tests, cracks propagated along a V or Z route in BSR, while fibers were pulled out in the central section in case of BST. AxTS and AxMOE values increased with decreasing moisture content (MC) at 6.2–16.6% below 75°C. Flexural flexibility (FF) was enhanced with increasing MC and VTR, and the effect of MC on FF was amplified with MCs below the fiber saturation point (FSP). In situ scanning electron microscope (SEM) observation during flexural tests revealed a deformation resistance of vascular tissue (VT) and the deformation disposition of parenchyma.

Keywords: axial tensile properties; bamboo sliver; flexibility characteristics; in situ observation; moisture content; vascular tissue ratio

  1. Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.

  2. Research funding: The authors gratefully acknowledge financial support from the Jiangxi education department “Science & Technology Research Project” (GJJ170406), East China Jiaotong University “basic funding for scientific research” (364) and National 13th Five-year “Major R&D Plan Project” (2016YFD0600906).

  3. Employment or leadership: None declared.

  4. Honorarium: None declared.

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Received: 2018-01-25
Accepted: 2018-04-23
Published Online: 2018-05-28
Published in Print: 2018-09-25

©2018 Walter de Gruyter GmbH, Berlin/Boston

Articles in the same Issue

  1. Frontmatter
  2. Original Articles
  3. Extractives of Cercidiphyllum japonicum twigs: isolation and structural elucidation of a new galloylflavonol glycoside, anomeric tannins and flavonoids
  4. Preparation of low-cost carbon fiber precursors from blends of wheat straw lignin and commercial textile-grade polyacrylonitrile (PAN)
  5. Comparison of six WPCs made of organo-montmorillonite-modified fibers of four trees, moso bamboo and wheat straw and poly(lactic acid) (PLA)
  6. Synthesis of phenol formaldehyde (PF) resin for fast manufacturing laminated veneer lumber (LVL)
  7. Reducing formaldehyde emission from wood-based panels by modification of UF and MUF resins with condensates obtained from kiln-drying of wood
  8. Analysis of the hydrolysates from cured and uncured urea-formaldehyde (UF) resins with two F/U mole ratios
  9. Theoretical and experimental considerations on the neutral axis of wood beams with a hole in different locations
  10. Axial tensile properties and flexibility characteristics of elementary units from multidimensional bamboo-based composites: radial and tangential moso bamboo slivers
  11. Optical characteristics of Douglas fir at various densities, grain directions and thicknesses investigated by near-infrared spatially resolved spectroscopy (NIR-SRS)
  12. Effect of thermal modification on the micromorphology of decay of hardwoods and softwoods by the white rot fungus Pycnoporus sanguineus
  13. Short Note
  14. Hydrolytic and oxidative enzyme production through cultivation of Pleurotus ostreatus on pulp and paper industry wastes
https://doi.org/10.1515/hf-2018-0017
Keywords for this article
axial tensile properties; bamboo sliver; flexibility characteristics; in situ observation; moisture content; vascular tissue ratio

Articles in the same Issue

  1. Frontmatter
  2. Original Articles
  3. Extractives of Cercidiphyllum japonicum twigs: isolation and structural elucidation of a new galloylflavonol glycoside, anomeric tannins and flavonoids
  4. Preparation of low-cost carbon fiber precursors from blends of wheat straw lignin and commercial textile-grade polyacrylonitrile (PAN)
  5. Comparison of six WPCs made of organo-montmorillonite-modified fibers of four trees, moso bamboo and wheat straw and poly(lactic acid) (PLA)
  6. Synthesis of phenol formaldehyde (PF) resin for fast manufacturing laminated veneer lumber (LVL)
  7. Reducing formaldehyde emission from wood-based panels by modification of UF and MUF resins with condensates obtained from kiln-drying of wood
  8. Analysis of the hydrolysates from cured and uncured urea-formaldehyde (UF) resins with two F/U mole ratios
  9. Theoretical and experimental considerations on the neutral axis of wood beams with a hole in different locations
  10. Axial tensile properties and flexibility characteristics of elementary units from multidimensional bamboo-based composites: radial and tangential moso bamboo slivers
  11. Optical characteristics of Douglas fir at various densities, grain directions and thicknesses investigated by near-infrared spatially resolved spectroscopy (NIR-SRS)
  12. Effect of thermal modification on the micromorphology of decay of hardwoods and softwoods by the white rot fungus Pycnoporus sanguineus
  13. Short Note
  14. Hydrolytic and oxidative enzyme production through cultivation of Pleurotus ostreatus on pulp and paper industry wastes
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