METHOD OF ULTRASOUND CHECKING OF THICKNESS OF PLANE PARALLEL SAMPLE

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to the instrumentation technology and can be used in metallurgy, machine building and other u043eu0442u0440u0430u0441u043bu00a0u0445 industry u0434u043bu00a0 u043au043eu043du0442u0440u043eu043bu00a0 the thickness of the wall parts with a u043au0440u0443u043fu043du043eu0437u0435u0440u043du0438u0441u0442u043eu0439 structure with one-sided access. to improve the accuracy of u00a0u0432u043bu00a0u0435u0442u0441u00a0 measurements in samples from u043au0440u0443u043fu043du043eu0437u0435u0440u043du0438u0441u0442u044bu0445 materials and simplify the method.the purpose of u0434u043eu0441u0442u0438u0433u0430u0435u0442u0441u00a0 as previously expected average speed of ultrasonic vibrations in the material sample. u043fu0430u0434u0435u043du0438u00a0, choose the angle of tu. u0435u0440u0445u043du043eu0441u0442u044c model respective corner entry 45 & deg; a model with speed. under the same angle u043fu0430u0434u0435u043du0438u00a0 excite ultrasonic u043au043eu043bu0435u0431u0430u043du0438u00a0 in a controlled way the thickness of the sample, and u0432u044bu0447u0438u0441u043bu00a0u044eu0442 the cep. 1 il. sl