MD2839B1 - Method of welds ultrasonic testing - Google Patents
Method of welds ultrasonic testingInfo
- Publication number
- MD2839B1 MD2839B1 MDA20040261A MD20040261A MD2839B1 MD 2839 B1 MD2839 B1 MD 2839B1 MD A20040261 A MDA20040261 A MD A20040261A MD 20040261 A MD20040261 A MD 20040261A MD 2839 B1 MD2839 B1 MD 2839B1
- Authority
- MD
- Moldova
- Prior art keywords
- control
- ultrasonic
- reception
- defect
- echo signals
- Prior art date
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
Inventia se refera la domeniul controlului nedistructiv, si anume la un procedeu de defectoscopie ultrasonica a cordoanelor de sudura. Procedeul de defectoscopie ultrasonica a cordoanelor de sudura consta in aceea ca cel putin un traductor imbinat inclinat 1 si cel putin un traductor ultrasonic de receptie inclinat 2 se instaleaza pe suprafata piesei controlate 3 astfel incat directiile lor de emisie si de receptie se intersecteaza in zona de control a cordonului de sudura 4, 5. Emisia impulsurilor ultrasonice si receptia semnalelor de ecou se realizeaza de catre toate traductoarele inclinate in fiecare cursa de lucru a defectoscopului. Semnalele de ecou din zona de control a cordonului, receptionate de toate traductoarele, se selecteaza conform timpului de receptie si se inregistreaza amplitudinea lor. Comparand amplitudinile semnalelor de ecou receptionate, care corespund unui singur impuls ultrasonic in fiecare cursa de control cu nivelul sensibilitatii de rebut, stabilite separat pentru fiecare semnal de ecou, se determina prezenta defectului, iar tipul si orientarea lui se determina dupa numarul si amplasarea traductoarelor, care au inregistrat semnalul de ecou de la defect.Rezultatul inventiei consta in sporirea productivitatii controlului automatizat si a veridicitatii determinarii tipului si orientarii defectului depistat. ŕThe invention relates to the field of non-destructive control, namely to a ultrasonic defectoscopy procedure of welding cords. The ultrasonic defectoscopy procedure of the welding cords consists in the fact that at least one inclined coupling transducer 1 and at least one inclined reception ultrasonic transducer 2 are installed on the surface of the controlled piece 3 so that their emission and reception directions intersect in the area of control of the welding cord 4, 5. The emission of the ultrasonic pulses and the reception of the echo signals is realized by all the inclined translators in each working stroke of the defectoscope. The echo signals from the control area of the cord, received by all the translators, are selected according to the reception time and their amplitude is recorded. Comparing the amplitudes of the received echo signals, which correspond to a single ultrasonic pulse in each control race with the level of rejection sensitivity, set separately for each echo signal, the presence of the defect is determined, and its type and orientation is determined by the number and location of the transducers, which have recorded the echo signal from the defect. The result of the invention consists in increasing the productivity of the automated control and the veracity of determining the type and orientation of the detected defect. à
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MDA20040261A MD2839C2 (en) | 2004-11-05 | 2004-11-05 | Method of welds ultrasonic testing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MDA20040261A MD2839C2 (en) | 2004-11-05 | 2004-11-05 | Method of welds ultrasonic testing |
Publications (2)
Publication Number | Publication Date |
---|---|
MD2839B1 true MD2839B1 (en) | 2005-08-31 |
MD2839C2 MD2839C2 (en) | 2006-05-31 |
Family
ID=34859167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MDA20040261A MD2839C2 (en) | 2004-11-05 | 2004-11-05 | Method of welds ultrasonic testing |
Country Status (1)
Country | Link |
---|---|
MD (1) | MD2839C2 (en) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT362166B (en) * | 1979-01-08 | 1981-04-27 | Voest Alpine Ag | WELDING AUSTENITIC STEEL |
SU1469440A1 (en) * | 1980-06-24 | 1989-03-30 | Всесоюзный Научно-Исследовательский Институт По Разработке Неразрушающих Методов И Средств Контроля Качества Материалов | Method of ultrasonic tests (and its versions) |
SU1644022A1 (en) * | 1987-02-09 | 1991-04-23 | Всесоюзный Научно-Исследовательский Институт По Разработке Неразрушающих Методов И Средств Контроля Качества Материалов | Method and device for flaw detection using acoustic emission signals |
EP0388470A1 (en) * | 1988-08-26 | 1990-09-26 | Moskovskoe Vysshee Tekhnicheskoe Uchilische Imeni N.E.Baumana | Method of controlling acoustic contact during ultrasonic flaw detection |
RU2137120C1 (en) * | 1997-11-04 | 1999-09-10 | Анненков Андрей Станиславович | Method of ultrasonic inspection and gear for its realization |
US6857553B1 (en) * | 2002-04-17 | 2005-02-22 | The United States Of America As Represented By The United States Department Of Energy | Method and apparatus for in-process sensing of manufacturing quality |
FR2840991B1 (en) * | 2002-06-17 | 2005-05-06 | Air Liquide | ULTRASONIC CONTROL METHOD FOR WELDED JOINTS |
-
2004
- 2004-11-05 MD MDA20040261A patent/MD2839C2/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
MD2839C2 (en) | 2006-05-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG4A | Patent for invention issued | ||
KA4A | Patent for invention lapsed due to non-payment of fees (with right of restoration) | ||
MM4A | Patent for invention definitely lapsed due to non-payment of fees |