Abstract
This paper is intended to investigate the effect of chemical treatment on the creep and recovery behavior of injection molded jute–polypropylene composites in flexural mode. The chemical treatment of short jute fibers was done using sodium hydroxide (NaOH), silane (SiH4), potassium permanganate (KMnO4), and the use of maleic anhydride (C4H2O3) as a coupling agent. The effectiveness of the chemical treatments was initially studied by comparing the tensile and flexural properties, along with the scanning electron microscopy fractographs. The creep behavior of the composites was modeled using four-parameter Burger’s model and the same was compared with the classical power law model. To model the recovery behavior, Weibull distribution function was used. The correlation between model parameters and different chemical treatments has been emphasized. The time–temperature superposition principle was employed for predicting the long-term creep behavior of the chemically treated jute–polypropylene composites.
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