Abstract
In this paper, study the effects of magnetite nanomaterial Fe3O4 on the mechanical properties of epoxy. Dispersion of Fe3O4 nanoparticles in the epoxy resin was performed by ultrasonication. The samples of the nanocomposites were prepared using the casting method. The nanocomposites contain epoxy resins as a matrix material incorporated by different weight percentages of magnetite Fe3O4 that varies from 0wt.% to 15wt.% as a reinforcing material. The epoxy with the additive reinforcement materials Fe3O4 was slowly mixed in a sonication bath for 15 minutes, then the mixture poured into silicon molds. Field Emission Scanning Electron Microscopy FESEM and X-ray diffraction spectra XRD were used to characterize the morphological and structural properties of preparing samples and the distribution of Fe3O4 nanoparticles to the epoxy resin. Mechanical testing consists of tensile, hardness shore, and three-point flexural tests were performed on the samples at room temperature according to ASTM standards. The results showed that reinforcement by 15wt.% of Fe3O4 nanoparticles maximizes these mechanical properties of nanocomposites compared with pure epoxy except for the young modulus's preferred weight at 9 wt.%, this is due to aggregation of the additives nanomaterials in epoxy resin above 9 wt.%.
Highlights
Polymer nanocomposites (PNCs) have become one of the important research issues among study scientists in the field of composites
The morphology behavior of the manufactured sample for both pure epoxy and nanocomposites with different weight percentage loadings from Fe3O4 nanomaterial was examined by Field Emission Scanning Electron Microscope (FESEM)
FESEM images of pure epoxy show a smooth fracture surface while (FESEM) images of nanocomposites with a different additive of Fe3O4 nanomaterials from 3wt.% up 15 wt.% revealing that a homogeneous dispersion of Fe3O4 nanomaterials in epoxy resin with a limited agglomeration of nanomaterial when the additive at high weight percentage
Summary
Polymer nanocomposites (PNCs) have become one of the important research issues among study scientists in the field of composites. Polymer nanocomposites (PNCs) are an interesting large concern of national research labs and manufacturing owing to their outstanding mechanical properties such as increasing strength, large modulus of elasticity, barrier characteristic and flame retardant [2]. The properties of epoxy can be improved by incorporating different types of inorganic materials in nanoscales, such as nanoparticles, carbon nanomaterials, fibers, sheets or tubes, nano clay, metallic oxides and organic nanoparticles [7,8]. Many types of research have dealt with various nanomaterials reinforcing epoxy resin with different weight ratios carried out experiments to enhance mechanical properties [15]. In this work nanocomposite system composed an epoxy resin as matrix incorporated by magnetite nanomaterial (Fe3O4) with different weight percentages Were the mechanical properties of epoxy resin increasing with increases adding weight percentages of magnetite (Fe3O4) nanomaterials. The results of (FESEM and XRD) investigation show that the homogeneous dispersion of magnetite (Fe3O4) into epoxy resin
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