Paper Title:
Mechanical Properties of Ramie Fiber Woven Composites under Biaxial Tensile Loadings
  Abstract

The objective of this work was to use a novel 3-D test analysis system for evaluating the mechanical properties of the natural fiber fabric composites under biaxial loads. Composites with three resin matrices (water-based epoxy resin, isocyanate resin, phenolic resin) were investigated, and strain filed were characterized by using the digital speckle correlation. The water-based epoxy resin plate and isocyanate resin plate demonstrated a characteristic of orthotropy and elastoplasticity, while the phenolic resin board revealed linear elastic and brittle-fracture simultaneously at X,Y-axial. Dissimilarities of biaxial load value were related to the orthotropy of composite structure, and load changes in fracture direction had a negative effect on the other directions at breaking moment. The degrees of dropping presented a positive correlation with the load values at rift direction. Under the linear elastic stage, the value of load and average strain at Y-direction were larger than that under X-direction within the same testing area. The strain-filed at X/Y-direction provided by isocyanate and phenolic resin plates illustrated a more smooth change than that of the water-based epoxy resin plate.

  Info
Periodical
Chapter
Chapter 1: Textile Science and Technology
Edited by
Rui Wang and Huawu Liu
Pages
65-68
DOI
10.4028/www.scientific.net/AMR.331.65
Citation
G. Wang, F. M. Chen, H. T. Cheng, Z. X. Yu, Z. H. Jiang, X. M. Chen, W. F. Zhang, "Mechanical Properties of Ramie Fiber Woven Composites under Biaxial Tensile Loadings", Advanced Materials Research, Vol. 331, pp. 65-68, 2011
Online since
September 2011
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$32.00
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