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Development of methodology and devices for the measurement of acoustic characteristics of small-size pottery work

By Vorobyov Sergey Victorovich

Abstract

Sperimens in the form of plates from polycrystal lithobromide, aluminooxide, aluminonitride ceramics are considered in the paper aiming at the creation of the methodology and devices for the measurement of acoustic characteristics of real pottery work of small sizes, having plane-parallel sides. As a result the Q-factor measurement possibility and perspectivity of small-size ceramic plates with imperfect geometry in megattertz frequency range have been shown theoretically. The effective algorithm, making it possible to analyze the system, consisting of an arbitrary number of piezoactive lavers with the consideration of the elastic wave attenuation has been developed. The Q-factor of real lithobromide, aluminooxide and aluminonitride pottery work in megattertz frequency range has been measured for the first time. The possibility of the methodology creation for the electronics pottery non-destroying control has been shown. The paper results have been used in the control of the glass and glass ceramic making processAvailable from VNTIC / VNTIC - Scientific & Technical Information Centre of RussiaSIGLERURussian Federatio

Topics: 20F - Acoustics, vibrations, noise analysis, 11B - Ceramics, refractories, glasses, PHYSICS,INSTRUMENT ENGINEERING
Year: 1992
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