Journal
MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS
Volume 18, Issue -, Pages 185-192Publisher
UNIV FED SAO CARLOS, DEPT ENGENHARIA MATERIALS
DOI: 10.1590/1516-1439.362514
Keywords
pineapple leaf fiber; PALF; tensile strength; Weibull analysis
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Funding
- Brazilian agency: CNPq
- Brazilian agency: CAPES
- Brazilian agency: FAPERJ
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The fiber extracted from pineapple leaf (PALF) displays relevant mechanical properties that are motivating investigations for possible engineering application as polymer composite reinforcement. As any natural lignocellulosic fiber, the PALF presents non-uniform dimensions and heterogeneous properties with a significant dispersion of values. In fact, a marked variation in the tensile strength has been reported, which represents a problem for the design of a PALF reinforced composite. In several other lignocellulosic fibers, the diameter dimension was found to affect the value of the tensile strength. This work investigated the precise diameter dependence of the PALF tensile strength using the Weibull statistic method. The results showed a mathematical hyperbolic type of inverse correlation between the PALF strength and its diameter, which was found to be similar to that commonly obtained in other lignocellulosic fibers.
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