Study the Mechanical Properties of (PVA/SI) Prepared by Sol-Gel Castting Method

Burak Yahya Kadem


The PVA/Si composite was prepared by casting method, the weight of PVA is constant (1gm) while the Si powder were (0.02, 0.04, 0.06, 0.08) gm, the densities of the samples were measured in the weight method. In order to evaluate the mechanical properties of PVA/Si composite the ultrasonic measurements were performed at the samples , these properties are ultrasonic velocity, compressibility, acoustic impedance and  bulk modulus, absorption coefficient, the relaxation amplitude and transmittance were analyzed at different frequencies (25 and 30) kHz. It was found that there is significant relationship between ultrasonic velocity and density on the material mechanical properties.

Keywords: Mechanical properties, polyvinyl alcohol, Composite, casting method.

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ISSN (Paper)2224-719X ISSN (Online)2225-0638

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