Journal ArticleDOI
Effect of interface modification on the mechanical properties of polystyrene‐sisal fiber composites
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TLDR
In this paper, the effect of interface modification on the mechanical properties of polystyrene-sisal fiber composites was investigated by treatment of sisal fibers with benzoyl chloride, poly styrene maleic anhydride (PSMA), toluene diisocyanate (TDI), methyl triethoxy silane and triethoxyl octyl silane.Abstract:
The effect of interface modification on the mechanical (tensile, impact and flexural) properties of polystyrene-sisal fiber composites was investigated. The interface modification was performed by treatment of sisal fibers with benzoyl chloride, polystyrene maleic anhydride (PSMA), toluene diisocyanate (TDI), methyl triethoxy silane and triethoxy octyl silane. These interface modifications improve the compatibility of hydrophilic sisal fiber with a hydrophobic polystyrene matrix and change the tensile, impact and flexural properties of the composite, but to varying degrees depending on the fiber modification. The treated fibers were analyzed by spectroscopic techniques. Scanning electron microscopy was used to investigate the fiber surface, fiber pullout, and fiber-matrix interface.read more
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References
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Journal ArticleDOI
A Mechanism for the Control of Crack Propagation in All-Brittle Systems
J Cook,J E Gordon +1 more
TL;DR: In this paper, it was shown that there exist tensile stresses parallel to the plane of a crack and ahead of the crack tip and that the maximum value of the tension σ x is an approximately constant fraction (~ 1/5) of the peak stress concentration σ y, max.
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Thermal and dynamic mechanical analysis of polystyrene composites reinforced with short sisal fibres
TL;DR: In this paper, the thermal behavior of polystyrene composites reinforced with short sisal fibres was studied by means of thermogravimetric and dynamic mechanical thermal analysis.
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Tensile properties of short sisal fiber reinforced polystyrene composites
TL;DR: In this paper, the tensile properties of polystyrene reinforced with short sisal fiber and benzoylated sisal fibers were studied by using IR spectroscopy, and the properties were found to be almost independent of fiber length although the ultimate tensile strength shows marginal improvement at 10 mm fiber length.
Journal ArticleDOI
Mechanical properties of natural-fibre-mat-reinforced thermoplastics based on flax fibres and polypropylene.
TL;DR: In this article, the influence of fiber length and fiber content on stiffness, strength and impact strength of natural-fibre-mat-reinforced thermoplastics (NMTs) is reported and compared with data for glass-mat reinforced thermoplastic composites (GMTs).
Journal ArticleDOI
Influence of coupling agents and treatments on the mechanical properties of cellulose fiber–polystyrene composites
TL;DR: In this article, the influence of different coupling agents, such as poly[methylene(polyphenyl isocyanate)], silanes, and grating on the mechanical properties of composites is discussed.