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Friday, August 7, 2020 | History

2 edition of effect of dynamic loading on the mechanical properties of glass reinforced plastics. found in the catalog.

effect of dynamic loading on the mechanical properties of glass reinforced plastics.

J. Harding

effect of dynamic loading on the mechanical properties of glass reinforced plastics.

by J. Harding

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  • 27 Currently reading

Published by Oxford UniversityEngineering laboratory in Oxford .
Written in English


Edition Notes

SeriesReport -- 1042/72.
ID Numbers
Open LibraryOL21900280M

The effect of polymer chain structure, addition of DCP, and sisal fiber loadings on the mechanical and dynamic mechanical properties of the composite was investigated in this study. ASTM Standard D ‘Standard Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials’, West Coshoshocken, PA: ASTM International, DOI /D, (, accessed July ). Google Scholar.

N. Dayananda Jawali, undefined Siddaramaiah, B. Siddeshwarappa, undefined Joong Hee Lee, Polycarbonate/Short Glass Fiber Reinforced Composites — Physico-mechanical, Morphological and FEM Analysis, Journal of Reinforced Plastics and Composites, /, 27, 3, (), (). Dynamic mechanical analysis (abbreviated DMA) is a technique used to study and characterize is most useful for studying the viscoelastic behavior of polymers.A sinusoidal stress is applied and the strain in the material is measured, allowing one to determine the complex temperature of the sample or the frequency of the stress are often varied, leading to variations in.

@article{osti_, title = {Environmental effects on glass fiber reinforced PPS stampable composites. [Polyphenylene sulfide]}, author = {Lou, A Y and Murtha, T P}, abstractNote = {The application of polymer composites in engineering structures are contingent upon their property retention and dimensional stability after extended temperature/humidity exposure in service. Chemically treated fiber-reinforced specimens yielded better mechanical properties compared to the raw composites, while coir fiber composites had better mechanical properties than abaca fiber reinforced ones. Based on fiber loading, 30% fiber-reinforced composites had the optimum set of mechanical properties.


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Effect of dynamic loading on the mechanical properties of glass reinforced plastics by J. Harding Download PDF EPUB FB2

The mechanical properties such as tensile strength, flexural strength, and impact strength increased by an optimum value at 15% sisal and 15% glass fiber loading in the presence of 2% MAPP. The rate of water absorption in the composites decreased due to the presence of glass Cited by:   Effect of Fiber Loading on the Mechanical Properties of Kenaf and Fiberfrax Fiber-reinforced Phenol-Formaldehyde Composites Sultan Özturk Journal of Cited by:   Fiber aspect ratio of more than was achieved after injection molding.

The results of the tensile and flexural properties of injection molded long glass fiber reinforced polypropylene with a glass fiber volume fraction of are presented. It was found that the differences in pellet sizes improve the mechanical properties by 3–8%.Cited by: Glass fiber-reinforced plastics, in particular epoxy glass-reinforced composites, are used in the construction, aviation, and maritime industries due to their advantageous mechanical properties.

ISO Textile-glass-reinforced plastics—Determination of mechanical properties on rods made of roving-reinforced resin—Part 2: Determination of flexural strength ISO Rubber and plastics test equipment—Tensile, flexural, and compression types (constant rate of traverse)—Specification.

Variation in impact strength by fiber orientation has been reported for glass fiber reinforced polymer matrix composites (Alam et al. The importance of the effect of fiber orientations to the mechanical properties of hybrid composites, as well as for ballistic resistant application (McWilliams et al.

Compressive, flexural, tensile and dynamic mechanical properties of the foams were investigated with respect to hollow glass microsphere (HGM) and carbon fiber (CF) content.

A considerable improvement in the mechanical properties viz. compressive, flexural and tensile strengths was observed for the foams on incorporation of a small quantity of CF.

Ghosh et al Dynamic Mechanical analysis of FRP composites based on different fibre reinforcements and epoxy resin as the matrix material [9]. Jacob et al [10,11], Jawad et al [12], Manikandan Nair et al [13] worked on evaluation of dynamic mechanical properties of natural fibre reinforced polymer composites.

In this study the effect of moisture absorption on the mechanical properties of glass-reinforced polyester composites is evaluated using both destructive and nondestructive tests.

The composite resins were produced with two different production processes, while the mechanical properties of the composite materials were measured using DMA.

This study has been carried out to demonstrate the effect of short carbon fiber (SCF) loading on static and dynamic mechanical performance of polyethersulfone (PES) composites. Different combinations of SCF/PES composites were prepared by extrusion followed by injection molding.

The static mechanical properties such as hardness, tensile and flexural properties of PES based composites were. Fiber plays an important role in determining the hardness, strength, and dynamic mechanical properties of composite material.

In the present work, enhancement of viscoelastic behaviour of hybrid phenolic composites has been synergistically investigated.

Five different phenolic composites, namely, C1, C2, C3, C4, and C5, were fabricated by varying the weight percentage of basalt and aramid. E-glass fiber mat reinforced Unsaturated Polyester Resin (UPR)-based composites were fabricated by conventional hand lay-up technique.

The fiber content was varied from 5 to 50% by weight. Mechanical properties (tensile and bending) of the fabricated composites were investigated. The tensile strength (TS) of the 5% and 50% fiber reinforced composites was 32 MPa and 72 MPa, respectively.

The results of experimental investigations of unidirectional composites based on basalt fibers and different marks of epoxy resins are presented. Uniaxial tensile tests were carried out using a specimen fixation technique simulating the operation conditions of structures.

The mechanical properties of the basalt-fiber-reinforced plastics (BFRPs) were determined. Dynamic mechanical properties were found to be very high, superior even to those of glass fiber reinforced composites.

The flexural storage modulus was found to be GPa at 30°C and to. Thermal Stability and Dynamic Mechanical Properties of Kenaf/Bamboo Fibre Reinforced Epoxy Composites.

Siew Sand Chee, a Mohammad Jawaid, a,b, * and Mohamed T. Sultan b,c. An increased awareness of environmental concerns has increased the need for innovation to produce high performance engineering materials with natural renewable resources.

Khan investigated the effect of woven jute reinforcement on the mechanical properties of PLA matrix polymer; and additionally, they compared this with the effect of inserting unidirectional jute fiber reinforcing component.

They reported that woven jute-reinforced PLA gave flexural strength and modulus 95%, 42% higher than neat PLA. Finally, dynamic mechanical analysis (DMA) testing has been completed on each material to measure the storage and loss moduli of the carbon fiber- and E-glass fiber reinforced composites.

The findings of the study show that nearly all characteristics of the mechanical performance of the laminates are both material and temperature dependent. mechanical properties of natural fibre reinforced thermoplastic are reported in the work of Garkhai S.K et al [4].

Others include Thomason and Vlug [5], who investigated the influence of fibre length and concentration on the mechanical properties of glass fibre reinforced polypropylene, produced inan injector mould system.

Dynamic mechanical analysis (DMA) is a powerful technique to investigate thermal and mechanical properties of polymers. The specimens generally deform sinusoidally in response to an applied oscillating force. The resultant strain in specimen due to the sinusoidal load depends upon both elastic and viscous behavior of the specimen.

Based on fiber loading, 10 wt.% fiber reinforced composites had the optimum set of mechanical properties. For 10 wt.% fiber loaded composite, silk and glass fiber ratio was also varied at. The effect of temperature on the dynamic E- and G-moduli and mechanical and dielectric loss factors of glass-reinforced plastics, cured polyester resin, and glass reinforcement is investigated, together with the effect of the oscillation frequency.Fiber length, thermal, mechanical, and dynamic mechanical properties of injection-molded glass-fiber/polyamide 6,6: plasticization effect Aziz Hassan, Noordini M.

Salleh, Rosiyah Yahya and M.R.K. Sheikh Abstract Unreinforced- and glass fiber-reinforced-polyamide 6,6 specimens were subjected to dry, 50% RH, and wet conditions.The aim of this work was to analyze the influence of fibers on the mechanical behavior of fiber-reinforced elastomers under cyclic loading.

Thus, the focus was on the characterization of structure–property interactions, in particular the dynamic mechanical and viscoelastic behavior. Endless twill-woven glass fibers were chosen as the reinforcement, along with silicone as the matrix material.