我们的网站为什么显示成这样?

可能因为您的浏览器不支持样式,您可以更新您的浏览器到最新版本,以获取对此功能的支持,访问下面的网站,获取关于浏览器的信息:

|Table of Contents|

几种植物单根纤维力学性能对比(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2010年05期
Page:
87-90
Column:
研究论文
publishdate:
2010-10-08

Article Info:/Info

Title:
Comparison of mechanical properties of different single vegetable fibers
Author(s):
CAO Shuangping WANG Ge* YU Yan CHENG Haitao CHEN Hong
International Center for Bamboo and Rattan, Beijing 100102, China
Keywords:
microtensile technology single vegetable fibers mechanical properties fracture morphology
Classification number :
S781
DOI:
10.3969/j.jssn.1000-2006.2010.05.019
Document Code:
A
Abstract:
The object of this paper was to investigate the tensile properties of single fibers bamboo, Chinese fir, kenaf and ramie by a newly designed micro tension tester (SFI). The loaddeflection curve of single fiber testing showed that a linear behavior presented to failure. The average values of tensile strength of bamboo, Chinese fir, kenaf and ramie single fibers were 1 710, 1 258, 1 019, 1 001 MPa, respectively, and their tensile modulus were 27.1, 19.9, 30.8, 11.4 GPa, elongation were 7.0 %, 6.6 %, 3.2 %, 8.9 %, respectively. It showed that the mechanical properties of the four fibers were different. Among the fibers investigated, the bamboo fiber had the biggest tensile strength with the peak value reaching 2 708 MPa. The ramie fiber had the biggest fracture strain and the best flexibility but the smallest tensile strength and stiffness. The toughness of the kenaf fiber was the poorest but the elastic modulus value was significantly higher than others, its stiffness was the best. Bamboo fiber is the best from comprehensive mechanical properties.

References

[1]Shaler S M, Groom L H, Mott L. The mechanical properties of individual lignocellulosic fibers[J]. Forest Product Journal, 1995, 32(2): 33-40. [2]Groom L H, Mott L, Shaler S M. Mechanical properties of individual southern pine fibers. Part I: Determination and variability of stressstrain curves with respect to tree height and juvenility[J]. Wood and Fiber Science, 2002a, 34 (1): 14-27. [3]Groom L, Shaler S M, Mott L. Mechanical properties of individual southern pine fibers. Part III: Global relationships between fiber properties and fiber location within an individual tree[J]. Wood and Fiber Science, 2002b, 34 (2): 238-250. [4]Ehrnrooth E M L, Kolseth P. The tensile testing of single wood pulp fibers in air and in water[J]. Wood and Fiber Science, 1984, 16(4): 549-566. [5]李栋高. 纤维材料学[M]. 北京:中国纺织出版社,2006. [6]Mark R E, Gills P P. New models in cellwall mechanics[J]. Wood and Fiber Science, 1970, 2(2): 79-95. [7]Burgert I, Keckes J, Fruhmann, et al. A comparison of two techniques for wood fiber isolationevaluation by tensile tests on single fibers with different microfibril angle[J]. Plant Biol, 2002, 4(1): 9-12. [8]邵卓平,周学辉,魏涛,等. 竹材在不同介质中加热处理后的强度变异[J]. 林产工业,2003,30(3):26-29. [9]黄安民,费本华,刘君良. 杉木木材性质研究进展[J]. 世界林业研究,2006,19(1):47-52. [10]Mott L, Shaler S. The tensile testing of individual wood fibers using environmental scanning electron microscopy and video image[J]. Tappi Journal, 1995, 78(5): 143-148.

Last Update: 2010-10-08