The effects of wettability, shear strength, and Weibull characteristics of fiber-reinforced poly(lactic acid) composites
-
John O. Akindoyo
,
Suriati Ghazali
Abstract
The wettability, interfacial shear strength (IFSS), and Weibull characteristics of oil palm empty fruit bunch (EFB) fibers were studied to evaluate the mechanical properties of EFB- and poly(lactic acid) (PLA)-based composites. The fiber surface was modified through ultrasound and poly(dimethyl siloxane) treatment. The effects of treatment on the morphology, wettability, and structure of fibers were examined by scanning electron microscopy, contact angle, and Fourier transform infrared spectroscopy analysis, respectively. In addition, the Weibull characteristic was used to find the variability in strength of the fibers with respect to surface treatment. Furthermore, the IFSS of EFB fiber-PLA sandwich was investigated through single-fiber pull-out test, using a less strenuous technique. The mechanical properties (tensile strength, tensile modulus, flexural strength, and flexural modulus) of the composites were determined through mechanical testing. A comparison was drawn among the properties of PLA, raw EFB fiber-based composites, and treated EFB fiber-based composites. Additionally, the inter- and intra-relationship of fiber treatment, wettability, and IFSS with the mechanical properties of the PLA/EFB composites were also accounted.
Acknowledgments
The authors thank the Ministry of Education Malaysia for providing financial assistance for this study under research grant FRGS RDU120106 and Universiti Malaysia Pahang for the support through PGRS GRS140343.
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Articles in the same Issue
- Frontmatter
- Original articles
- Waste paper as a cheap source of natural fibre to reinforce polyester resin in production of bio-composites
- Effects of chemical plating time on the electromechanical properties of ionic polymer metal composites
- Predictive modeling of phenolic compound release from nanofibers of electrospun networks for application in periodontal disease
- Epoxy composites reinforced with multi-walled carbon nanotube/poly(ethylene glycol)methylether-coated aramid fiber
- Preparation and characterization of biodegradable blends of poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) and poly(butylene adipate-co-terephthalate)
- Bending properties of carbon fiber nanocomposites with lamination structure of reinforcement
- The effects of wettability, shear strength, and Weibull characteristics of fiber-reinforced poly(lactic acid) composites
- Matrimid mixed matrix membranes for enhanced CO2/CH4 separation
- Blend membranes based on polyurethane and polyethylene glycol: exploring the impact of molecular weight and concentration of the second phase on gas permeation enhancement
- Thermoplastic films containing lignin and their optical polarization properties
- Valorization of industrial by-products through bioplastic production: defatted rice bran and kraft lignin utilization
- Design analysis of a standard injection screw for plasticising polycarbonate resins
