SU402396A1 - METHOD OF MEASURING THE SPEED OF ULTRASOUND SOLID BODIES - Google Patents

METHOD OF MEASURING THE SPEED OF ULTRASOUND SOLID BODIES

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Publication number
SU402396A1
SU402396A1 SU1677303A SU1677303A SU402396A1 SU 402396 A1 SU402396 A1 SU 402396A1 SU 1677303 A SU1677303 A SU 1677303A SU 1677303 A SU1677303 A SU 1677303A SU 402396 A1 SU402396 A1 SU 402396A1
Authority
SU
USSR - Soviet Union
Prior art keywords
measuring
speed
ultrasound
solid bodies
sample
Prior art date
Application number
SU1677303A
Other languages
Russian (ru)
Original Assignee
Л. В. Юозоиепе , В. В. Серейкис Каунасский политехнический институт
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Л. В. Юозоиепе , В. В. Серейкис Каунасский политехнический институт filed Critical Л. В. Юозоиепе , В. В. Серейкис Каунасский политехнический институт
Priority to SU1677303A priority Critical patent/SU402396A1/en
Application granted granted Critical
Publication of SU402396A1 publication Critical patent/SU402396A1/en

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  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Description

Изобретение относитс  к измерению скорости продольных и поперечных ультразвуковых волн в твердых телах и может быть нспользовано в различных област х ультразвуковой техники. Известны способы измерени  скорости ультразвука в твердых телах по известнон скорости ультразвука в иммерсионное жидкости путем измерени  углов падени  и отражени . Недостатком известного способа  вл етс  невозможность измерени , например, при скорости ультразвука в образце, большей, чем скорость ультразвука в иммерсионной жид-кости . Дл  расширени  диапазона измерении предлагаетс  способ, по которому образец, выполненный в форме пр .моугольного параллепипеда , помещают в измерительную камеру , укрепл ют на нижней и задней относительно преобразовател  гран х двугранный рефлектор, поворачива  преобразователь вокруг оси угломера, фиксируют максимальный сигнал на контролирующем приборе, измер ют угол падени  ультразвуковой волны на нереднюю грань образца, перемещают преобразователь по вертикали, поворачивают его вокруг оси угломера до получени  максимального сигнала на контролирующем приборе и замер ют угол отражени  от пр мого угла ефлектора, искомую скорость определ ют о формуле с С де С - скорость ультразвука в иммерсио ной жидкости; а - угол надени  на переднюю грань образца; f) - угол отражени  от пр мого угла рефлектора. На фнг. 1 показана блок-схема устройства реализующего описываемый способ; на фиг. 2 - то же, продольный разрез. Способ реализуют следующи.м образом. Образец /, выполненный в форме пр моугольного параллелепипеда, помещают на держателе 2. На его задней и нижней стенках укрепл ют двугранный пр моугольный рефлектор 3. Преобразователь 4, подключенный к генератору импульсов 5, через второй держатель 6 и ось угломера 7 направл ет в жидкость, наход щуюс  внутри нзмерительной камеры 8, ультразвуковую волну, котора , пада  на переднюю грань образца /, наход щуюс  на продолжении оси угломера, трансформируетс  в продольную и поперечную волну. При измерении скорости вращением углоThe invention relates to the measurement of the velocity of longitudinal and transverse ultrasonic waves in solids and can be used in various fields of ultrasonic technology. Methods are known for measuring the speed of ultrasound in solids from the known speed of ultrasound in an immersion liquid by measuring angles of incidence and reflection. The disadvantage of this method is that it is impossible to measure, for example, when the ultrasound velocity in the sample is greater than the ultrasound velocity in the immersion liquid. To expand the measurement range, a method is proposed whereby a sample made in the form of a rectangular parallelepiped is placed in a measuring chamber, a dihedral reflector is fixed on the lower and rear of the face transducer, turning the transducer around the axis of the protractor, fix the maximum signal on the monitoring device, measure the angle of incidence of the ultrasonic wave on the non-average edge of the sample, move the transducer vertically, rotate it around the axis of the protractor until the maximum with chased for controlling the instrument and angle measurement by reflection from eflektora right angle, the desired speed is determined with the formula of C de C - velocity of ultrasound in the immersion of the liquid; a is the angle of wear on the front face of the sample; f) is the angle of reflection from the right angle of the reflector. On fng. 1 shows a block diagram of a device implementing the described method; in fig. 2 - the same, longitudinal section. The method is implemented in the following manner. The sample /, made in the form of a rectangular parallelepiped, is placed on the holder 2. On its back and bottom walls a two-sided rectangular reflector 3 is fastened. The converter 4 connected to the pulse generator 5 through the second holder 6 and the axis of the goniometer 7 directs to the liquid , located inside the measuring chamber 8, the ultrasonic wave, which, falling on the front face of the sample /, located on the continuation of the axis of the protractor, is transformed into a longitudinal and transverse waves. When measuring the speed of rotation angle

SU1677303A 1971-07-01 1971-07-01 METHOD OF MEASURING THE SPEED OF ULTRASOUND SOLID BODIES SU402396A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU1677303A SU402396A1 (en) 1971-07-01 1971-07-01 METHOD OF MEASURING THE SPEED OF ULTRASOUND SOLID BODIES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1677303A SU402396A1 (en) 1971-07-01 1971-07-01 METHOD OF MEASURING THE SPEED OF ULTRASOUND SOLID BODIES

Publications (1)

Publication Number Publication Date
SU402396A1 true SU402396A1 (en) 1973-10-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
SU1677303A SU402396A1 (en) 1971-07-01 1971-07-01 METHOD OF MEASURING THE SPEED OF ULTRASOUND SOLID BODIES

Country Status (1)

Country Link
SU (1) SU402396A1 (en)

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