SU855487A1 - Tilted finder for ultrasonic testing of pipes - Google Patents
Tilted finder for ultrasonic testing of pipes Download PDFInfo
- Publication number
- SU855487A1 SU855487A1 SU792773603A SU2773603A SU855487A1 SU 855487 A1 SU855487 A1 SU 855487A1 SU 792773603 A SU792773603 A SU 792773603A SU 2773603 A SU2773603 A SU 2773603A SU 855487 A1 SU855487 A1 SU 855487A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- angle
- ultrasonic waves
- acoustic
- axis
- finder
- Prior art date
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Description
54) НАКЛОННЫЙ ИСКАТЕЛЬ ДЛЯ УЛЬТРАЗВУКОВОГО КОНТРОЛЯ ТРУБ Изобретение относитс к измерительной технике и может быть исполь эовано при ультразвуковом контроле качества труб; Известен раздельно-совмещенный наклонный искатель, содержащий призмы из органического стекла , к которым приклеены пьезоэлементы 1. Недостатком этого искател вл етс низка достоверность контрол , обусловленна наличием помех от поверхностных волн. Наиболее близким к предлагаемому изобретению по технической сущности вл етс наклонный искатель дл ультразвукового контрол труб,содержащи многослойную призму, состо щую не ме нее чем из трех слоев, и пьезопреобраэователь f21. Недостатком данного искател вл етс низка достоверность контрол труб, обусловленна тем, что многослойна призма выполнена из одного материала с одной скоростью прохожде ИНН продольных ультразвуковых волн по сечению призмы, что приводит к нскажению диаграммы направленности. Цель изобретени - повьшение достоверности контрол . ь достигаетс за счет тоои призмы выполнены из в с различными скорост ми ени ультразвуковых волн, слоев выбран из услови С bin (Ьо -; „ Г. Xocosgo 13 контролнру««ой трубы; скорость поперечных ультразвуковых волн в контролируемом материале; угол падени ультразвуковых волн в слое, совпадающем с акустической осью; половина угла между нормал ми к точкам пересечени акустических осей пьезопреобразователей с поверхность издели ; рассто ние между точками ввода; проекци угла между акустической осью и плоскостью54) TILT FINDER FOR ULTRASONIC TUBE CONTROL The invention relates to a measurement technique and can be used for ultrasonic quality control of pipes; A separate-combined oblique finder is known that contains prisms made of organic glass to which piezoelectric elements are glued. The disadvantage of this searcher is the low reliability of the control, due to the presence of interference from surface waves. The closest to the proposed invention in its technical essence is an inclined finder for ultrasonic testing of tubes containing a multilayer prism, consisting of no less than three layers, and a piezoelectric generator f21. The disadvantage of this searcher is the low reliability of control of the pipes, due to the fact that the multilayer prism is made of the same material with the same speed of passing the INN of longitudinal ultrasonic waves over the cross section of the prism, which leads to an irregular pattern. The purpose of the invention is to increase the reliability of the control. b is achieved due to the prism made from at different speeds of ultrasonic waves, the layers are selected from the condition C bin (bo -; „G. Xocosgo 13 tube; the speed of transverse ultrasonic waves in the controlled material; the angle of incidence of ultrasonic waves in the layer coinciding with the acoustic axis; half the angle between the normals to the points of intersection of the acoustic axes of the piezo transducers from the product surface; the distance between the input points; the projection of the angle between the acoustic axis and the plane
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU792773603A SU855487A1 (en) | 1979-05-29 | 1979-05-29 | Tilted finder for ultrasonic testing of pipes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU792773603A SU855487A1 (en) | 1979-05-29 | 1979-05-29 | Tilted finder for ultrasonic testing of pipes |
Publications (1)
Publication Number | Publication Date |
---|---|
SU855487A1 true SU855487A1 (en) | 1981-08-15 |
Family
ID=20830874
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU792773603A SU855487A1 (en) | 1979-05-29 | 1979-05-29 | Tilted finder for ultrasonic testing of pipes |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU855487A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1989011651A1 (en) * | 1988-05-20 | 1989-11-30 | Moskovskoe Vysshee Tekhnicheskoe Uchilische Imeni | Method for ultrasonically checking weld seams of articles |
-
1979
- 1979-05-29 SU SU792773603A patent/SU855487A1/en active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1989011651A1 (en) * | 1988-05-20 | 1989-11-30 | Moskovskoe Vysshee Tekhnicheskoe Uchilische Imeni | Method for ultrasonically checking weld seams of articles |
US5060518A (en) * | 1988-05-20 | 1991-10-29 | Moskovskoe Vysshee Tekhnicheskoe Uchilische Imeni N.E. Baumana | Method of ultrasonic inspection of welds of articles |
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