SU1481671A1 - Electromagnetic-acoustic method of testing quality and hardness of articles - Google Patents
Electromagnetic-acoustic method of testing quality and hardness of articles Download PDFInfo
- Publication number
- SU1481671A1 SU1481671A1 SU874299270A SU4299270A SU1481671A1 SU 1481671 A1 SU1481671 A1 SU 1481671A1 SU 874299270 A SU874299270 A SU 874299270A SU 4299270 A SU4299270 A SU 4299270A SU 1481671 A1 SU1481671 A1 SU 1481671A1
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- SU
- USSR - Soviet Union
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- product
- acoustic
- parameters
- products
- hardness
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/02863—Electric or magnetic parameters
Abstract
Изобретение относитс к неразрушающим методам испытани материалов ультразвуковыми методами и может быть использовано дл контрол качества и твердости изделий с низкой электропроводностью - полупроводников и изол торов. Целью изобретени вл етс расширение области применени за счет контрол изделий из немагнитных и неэлектропровод щих материалов. Способ заключаетс в измерении скорости и затухани упругих волн ЭМА методом в издели х, выполненных из немагнитных материалов. Контролируемое изделие с металлическим покрытием размещают в магнитные пол посто нного магнита между излучающими и приемными ЭМА преобразовател ми и возбуждают ультразвуковые колебани в изделии, регистрируют блоком акустические параметры: скорость и затухание ультразвука, сравнивают зарегистрированные параметры с параметрами эталонных изделий и определ ют качества контролируемого издели . 1 ил.The invention relates to non-destructive methods for testing materials by ultrasonic methods and can be used to control the quality and hardness of low-conductivity products such as semiconductors and insulators. The aim of the invention is to expand the field of application by controlling products from non-magnetic and non-electrically conductive materials. The method consists in measuring the speed and attenuation of EMA elastic waves by the method in articles made of nonmagnetic materials. The controlled product with a metal coating is placed in the magnetic fields of the permanent magnet between the radiating and receiving EMA transducers and excites ultrasonic vibrations in the product, the acoustic parameters are recorded by the unit: ultrasound speed and attenuation, the measured parameters are compared with the parameters of the reference products and the qualities of the tested product are determined. 1 il.
Description
Изобретение относитс к неразрушающим физическим методам испытани материалов ультразвуковыми методами и может бьгть использовано дл контрол качества и твердости изделий с низкой электропроводностью - полупроводников и изол торов.The invention relates to non-destructive physical methods for testing materials by ultrasonic methods and can be used to control the quality and hardness of low-conductivity products such as semiconductors and insulators.
Целью изобретени вл етс расширение области применени за счет контрол изделий из немагнитных и неэлектропровод щих материалов.The aim of the invention is to expand the field of application by controlling products from non-magnetic and non-electrically conductive materials.
На чертеже представлена блок-схема устройства дл реализации способа.The drawing shows the block diagram of the device for implementing the method.
Установка содержит посто нный магнит I, образец контролируемого издели 2 с металлическим покрытием 3,The installation contains a permanent magnet I, a sample of the test article 2 with a metallic coating 3,
размещаемый между излучающим и приемным электромагнитно-акустическими преобразовател ми.4 и 5 соответственно , и блок. 6 регистрации акустических параметров.placed between the radiating and receiving electromagnetic-acoustic transducers mi 4 and 5, respectively, and the unit. 6 recording acoustic parameters.
Способ осуществл ют следующим образом.The method is carried out as follows.
На поверхность контролируемого образца издели 2 нанос т металичес- кое покрытие 3 толщиной, равной глубине скин-сло в металле. Контролируемое изделие 2 размещают в магнитные пол посто нного магнита 1 между и.ч- лучающим и приемным ЭМА преобразовател ми 4 и 5, возбуждают в нем излучающим ЭМА преобразователем 4A metal coating 3 with a thickness equal to the depth of the skin layer in the metal is applied to the surface of the test piece 2. The controlled product 2 is placed in the magnetic fields of the permanent magnet 1 between the IC and the receiving EMA transducers 4 and 5, excites in it the emitting EMA transducer 4
4- 004-00
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Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU874299270A SU1481671A1 (en) | 1987-06-05 | 1987-06-05 | Electromagnetic-acoustic method of testing quality and hardness of articles |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU874299270A SU1481671A1 (en) | 1987-06-05 | 1987-06-05 | Electromagnetic-acoustic method of testing quality and hardness of articles |
Publications (1)
Publication Number | Publication Date |
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SU1481671A1 true SU1481671A1 (en) | 1989-05-23 |
Family
ID=21325155
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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SU874299270A SU1481671A1 (en) | 1987-06-05 | 1987-06-05 | Electromagnetic-acoustic method of testing quality and hardness of articles |
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SU (1) | SU1481671A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2624415C1 (en) * | 2016-07-25 | 2017-07-03 | Федеральное государственное казенное военное образовательное учреждение высшего образования "Военный учебно-научный центр Военно-воздушных сил "Военно-воздушная академия имени профессора Н.Е. Жуковского и Ю.А. Гагарина" (г. Воронеж) Министерства обороны Российской Федерации | Method of ultrasound control of hardness of polymers |
-
1987
- 1987-06-05 SU SU874299270A patent/SU1481671A1/en active
Non-Patent Citations (1)
Title |
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-.Авторское свидетельство СССР № 1113732, кл. G 01 N 29/00, 1983. Авторское свидетельство СССР № 1100563, кл. Г, 01 N 29/04, 1983. * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2624415C1 (en) * | 2016-07-25 | 2017-07-03 | Федеральное государственное казенное военное образовательное учреждение высшего образования "Военный учебно-научный центр Военно-воздушных сил "Военно-воздушная академия имени профессора Н.Е. Жуковского и Ю.А. Гагарина" (г. Воронеж) Министерства обороны Российской Федерации | Method of ultrasound control of hardness of polymers |
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