Materials Today: Proceedings
Effect of variation in frequencies on dynamic mechanical properties of short sisal fibre reinforced epoxy composite
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2020, International Journal of Biological MacromoleculesCitation Excerpt :On the other hand, the holes observed in the cell walls of the cross-section of CS/PS foams also may have contributed to the decrease of storage modulus. The storage modulus is directly proportional to the adhesion between fibers and matrix [47]. Several researchers reported the addition of cellulosic or lignocellulosic fibers in starch matrix imposes limits on the mobility of polymeric chains increasing the storage modulus [48–50].
Property characterization of acacia tortilis for natural fiber reinforced polymer composite
2020, Results in MaterialsCitation Excerpt :Green composites emerged as promising alternatives to substitute synthetic composites. As natural fibers, they have substantial advantages such as abundance, light weight, high specific strength and modulus, cost effectiveness, biodegradability, renewability, ease of processing and the like [3–6]. There exist several ongoing studies focusing on plant fibers to investigate their capacity to substitute the synthetic fibers.
Effect of variation in frequencies on the viscoelastic properties of coir and coconut husk powder reinforced polymer composites
2020, Journal of King Saud University - Engineering SciencesCitation Excerpt :A lot of researchers have reported on the viscoelastic properties or dynamic mechanical analysis (DMA) of natural fiber reinforced polymer composites (NFRPCs) and noted the acceptable viscoelastic properties for industrial applications (Idicula et al., 2005; Jawaid et al., 2013; Gupta and Gond, 2017). These DMA properties of polymeric composites do not only depend on temperature and frequency, but also on fiber length and loading, bond between fibers and matrix e.t.c (Rana et al., 2017). To date, to the best of our knowledge, a couple of works have been reported on the chemical treatment of coir to enhance the mechanical properties of coir reinforced polymer composites (Yan, 2012; Kuburi et al., 2017).
Synthesis and dynamic mechanical analysis of fiber reinforced low-density polyethylene hybrid polymer composites
2020, Materials Today: ProceedingsCitation Excerpt :The width of the Tan delta peak of the composite also becomes wider due to the fiber-reinforced material. The loss curve found to distribute over a wider range and it is obtained maximum value for higher fiber content [17,18]. Fig. 4(b) presents the dynamic mechanical analysis of LDPE-Glass reinforced composites.
A numerical homogenization of E-glass/acrylic woven composite laminates: Application to low velocity impact
2018, Composite StructuresCitation Excerpt :There are several methods for accessing the elastic properties of laminate composite. Among these are quasi-static tests based on mechanical testing on samples [23] and dynamic tests based on the propagation of high-frequency sound waves [24]. In the present study, we performed quasi-static tensile and in-plane shear tests to estimate the failure limit of the material.
Lightweight hemp/bio-epoxy grid structure manufactured by a new continuous process
2018, Composites Part B: EngineeringCitation Excerpt :Considering that the use of natural based materials matches very good both the environmental, the costs and the lightweight requirements and highlighting the tremendous advantages and opportunities associated with their use such as: the low density, the high specific strength and stiffness, lower manufacturing cost than synthetic fibres, less tool damage during processing, low emission of toxic fumes when subjected to heat and during incineration at end of life and their availability as a renewable resource [4–7], it is clear that, there is still need to investigate and to increase their engineering application fields. Under this point of view, the use of natural fibres as reinforcement in composite materials is currently receiving an increasing attention and a large amount of researches were conducted in order to study a range of recyclable materials based on natural fibres such as jute, hemp, flax, kenaf, ramie, sisal and many more [5–11]. Among various kinds of natural fibres, the hemp is one of the most attractive due to its interesting properties, high cellulose content and low costs.