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Preparation and Evaluation of Structural, Optical, Dielectric and Thermal Characteristics of Unirradiated and Irradiated Polyurethane/magnesium Silicate Composites by A. Abdeldaym; M. M. Magida; H. H. Elnahas is a Materials Science article available to read on EtoBox.
What is Preparation and Evaluation of Structural, Optical, Dielectric and Thermal Characteristics of Unirradiated and Irradiated Polyurethane/magnesium Silicate Composites about?
Polyurethane filled with various amounts (5, 10, 15, and 20 wt%) of magnesium silicate was fabricated by the solution casting method. The structural and physical properties of PU due to the influence of adding magnesium silicate together with gamma irradiation were investigated. The structural properties of the prepared composites were investigated via X-ray diffraction (XRD) and scanning electron microscopy (SEM). The XRD analysis shows magnesium silicate formation in the PU matrix, which was further confirmed by the surface morphology images obtained by the SEM. Optical properties were characterized by ultraviolet-visible (UV-Vis) spectrophotometer. Refractive index dispersion was analyzed via the Wemple-Didomenico models. For both the unirradiated and irradiated composites, the ratio of carrier density to the effective mass, and the plasma frequency were calculated. Influences of magnesium silicate and gamma irradiation on these parameters as well as the dependence on the aforementioned additions were investigated. The dielectric investigation of the prepared composites reflected the increase of the dielectric constant, dielectric loss, and electrical conductivity with the addit
Who reads Preparation and Evaluation of Structural, Optical, Dielectric and Thermal Characteristics of Unirradiated and Irradiated Polyurethane/magnesium Silicate Composites?
It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- A. Abdeldaym; M. M. Magida; H. H. Elnahas
- Publisher
- Springer Science and Business Media LLC
- Published
- 2021
- Language
- EN
- Field
- Materials Science (Physical Sciences)
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