Fracture and resistance-curve behavior in hybrid natural fiber and polypropylene fiber reinforced composites

This article presents the results of a combined experimental and theoretical study of fracture and resistance-curve behavior of hybrid natural fiber- and synthetic polymer fiber-reinforced composites that are being developed for potential applications in affordable housing. Fracture and resistance-c...

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Bibliographic Details
Published in:Journal of materials science 2012-03, Vol.47 (6), p.2864-2874
Main Authors: Tan, T., Santos, S. F., Savastano, H., Soboyejo, W. O.
Format: Article
Language:English
Subjects:
Atomic force microscopy
Building materials
Bundling
Characterization and Evaluation of Materials
Chemistry and Materials Science
Classical Mechanics
Construction materials
Crack bridging
Crystallography and Scattering Methods
Fiber composites
Fiber reinforced plastics
Fiber reinforced polymers
Fibers
Fracture mechanics
Materials Science
Microscopy
Optical microscopy
Polymer matrix composites
Polymer Sciences
Polypropylene
Polypropylenes
Scanning microscopy
Sisal
Solid Mechanics
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Summary:This article presents the results of a combined experimental and theoretical study of fracture and resistance-curve behavior of hybrid natural fiber- and synthetic polymer fiber-reinforced composites that are being developed for potential applications in affordable housing. Fracture and resistance-curve behavior are studied using single-edge notched bend specimens. The sisal fibers used were examined using atomic force microscopy for fiber bundle structures. The underlying crack/microstructure interactions and fracture mechanisms are elucidated via in situ optical microscopy and ex-situ environmental scanning microscopy techniques. The observed crack bridging mechanisms are modeled using small and large scale bridging concepts. The implications of the results are then discussed for the design of eco-friendly building materials that are reinforced with natural and polypropylene fibers.
ISSN:0022-2461
1573-4803
DOI:10.1007/s10853-011-6116-1