FR2361649A1 - Procede de detection automatique de zones indicatrices d'ultra-sons lors du controle non destructif de pieces metalliques - Google Patents
Procede de detection automatique de zones indicatrices d'ultra-sons lors du controle non destructif de pieces metalliquesInfo
- Publication number
- FR2361649A1 FR2361649A1 FR7724631A FR7724631A FR2361649A1 FR 2361649 A1 FR2361649 A1 FR 2361649A1 FR 7724631 A FR7724631 A FR 7724631A FR 7724631 A FR7724631 A FR 7724631A FR 2361649 A1 FR2361649 A1 FR 2361649A1
- Authority
- FR
- France
- Prior art keywords
- metal parts
- automatic detection
- destructive testing
- ultra
- zones during
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
- G01N29/4409—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by comparison
- G01N29/4427—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by comparison with stored values, e.g. threshold values
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/11—Analysing solids by measuring attenuation of acoustic waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
- G01N29/341—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with time characteristics
- G01N29/343—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with time characteristics pulse waves, e.g. particular sequence of pulses, bursts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
- G01N29/40—Detecting the response signal, e.g. electronic circuits specially adapted therefor by amplitude filtering, e.g. by applying a threshold or by gain control
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
- G01N29/449—Statistical methods not provided for in G01N29/4409, e.g. averaging, smoothing and interpolation
-
- 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
- G01N2291/02854—Length, thickness
-
- 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
- G01N2291/04—Wave modes and trajectories
- G01N2291/044—Internal reflections (echoes), e.g. on walls or defects
Landscapes
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Probability & Statistics with Applications (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
L'invention concerne un procédé de détection automatique de zones indicatrices d'ultra-sons lors du contrôle non destructif de pièces métalliques. Le procédé se caractérise en ce que le seuil de réaction est associé dynamiquement au niveau de base Application au contrôle de joints soudés.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2636401A DE2636401C3 (de) | 1976-08-11 | 1976-08-11 | Verfahren zur automatischen Erkennung von Ultraschallanzeigen |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2361649A1 true FR2361649A1 (fr) | 1978-03-10 |
FR2361649B1 FR2361649B1 (fr) | 1981-11-20 |
Family
ID=5985345
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7724631A Granted FR2361649A1 (fr) | 1976-08-11 | 1977-08-10 | Procede de detection automatique de zones indicatrices d'ultra-sons lors du controle non destructif de pieces metalliques |
Country Status (7)
Country | Link |
---|---|
US (1) | US4170143A (fr) |
JP (1) | JPS5321980A (fr) |
CA (1) | CA1108283A (fr) |
DE (1) | DE2636401C3 (fr) |
FR (1) | FR2361649A1 (fr) |
GB (1) | GB1590807A (fr) |
IT (1) | IT1083791B (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2396296A1 (fr) * | 1977-07-01 | 1979-01-26 | Akad Tekn Videnskaber | Appareil pour l'enregistrement d'echos dus a des defauts d'homogeneite d'objets par ailleurs homogenes, a surface plane ou legerement arquee, sondes aux ultrasons |
EP0294255A1 (fr) * | 1987-05-12 | 1988-12-07 | Commissariat A L'energie Atomique | Procédé automatique d'identification de défauts par ultrasons, et système correspondant |
FR2662501A1 (fr) * | 1990-05-28 | 1991-11-29 | Valtubes | Procede de detection de defauts sur des tubes metalliques a nervures helicouidales internes. |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT362166B (de) * | 1979-01-08 | 1981-04-27 | Voest Alpine Ag | Schweissnaht austenitischer staehle |
DE3012773C2 (de) * | 1980-04-02 | 1983-03-03 | Eckhard Dipl.-Ing. 2820 Bremen Roeder | Verfahren zur Überwachung von Maschinen und Bauteilen davon im Betriebszustand |
DE3138659A1 (de) * | 1981-09-10 | 1983-03-17 | Estel Hoesch Werke Ag, 4600 Dortmund | Messverfahren zur fehlerbestimmung in schweissnaehten |
USRE33435E (en) * | 1983-12-08 | 1990-11-13 | The Coca-Cola Company | Ultrasound level detector |
DE3413097A1 (de) * | 1984-04-06 | 1985-10-17 | Kraftwerk Union AG, 4330 Mülheim | Verfahren zur ultraschallpruefung ferritischer bauteile mit einer plattierung |
US4944335A (en) * | 1984-12-20 | 1990-07-31 | The Coca-Cola Company | Automatic control system for filling beverage containers |
US4780861A (en) * | 1984-12-20 | 1988-10-25 | The Coca-Cola Company | Automatic control system for filling beverage containers |
US4798232A (en) * | 1984-12-20 | 1989-01-17 | The Coca-Cola Company | Automatic control system for filling beverage containers |
JPS63173958A (ja) * | 1987-01-14 | 1988-07-18 | Ngk Insulators Ltd | 超音波自動探傷方法 |
US4917155A (en) * | 1987-02-25 | 1990-04-17 | The Coca-Cola Company | Ultrasound level detector and container counter |
US5648613A (en) * | 1994-04-05 | 1997-07-15 | Gas Research Institute | Scan assembly and method for signal discrimination |
US8001841B2 (en) * | 2005-10-14 | 2011-08-23 | Olympus Ndt | Ultrasonic fault detection system using a high dynamic range analog to digital conversion system |
DE102006061794B3 (de) * | 2006-12-21 | 2008-04-30 | Thermosensorik Gmbh | Verfahren zur automatischen Prüfung einer Schweißverbindung |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3482434A (en) * | 1966-02-23 | 1969-12-09 | Automation Ind Inc | Ultrasonic nondestructive tester including means for separating electrical noise from the electrical signals |
DE1936183A1 (de) * | 1969-07-16 | 1971-02-04 | Deutsch Pruef Messgeraete | Ultraschall-Monitor |
DE2344702A1 (de) * | 1973-09-05 | 1975-03-06 | Dirk Bruehl | Verfahren und schaltungsanordnung zur erzielung einer anzeige von stark gestoerten periodisch wiederkehrenden signalen |
DE2519386A1 (de) * | 1974-04-30 | 1975-11-13 | Intec Corp | Laser-abtastsystem zum auffinden von rissen |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE929153C (de) * | 1953-01-28 | 1955-06-20 | Siemens Reiniger Werke Ag | Ultraschall-Schwingeranordnung zur zerstoerungsfreien Werkstoffpruefung mittels Ultraschall-Impulsen |
DE1952380C3 (de) * | 1969-10-17 | 1978-11-23 | Krautkraemer, Gmbh, 5000 Koeln | Verfahren zur Funktionskontrolle von mindestens einem Ultraschallwandler |
US3813926A (en) * | 1972-02-09 | 1974-06-04 | A Stubbeman | Ultrasonic pulsed energy inspection system |
DE2226172C3 (de) * | 1972-05-30 | 1975-12-04 | Thyssen Niederrhein Ag Huetten- Und Walzwerke, 4200 Oberhausen | Verfahren zur Messung und Auswertung von Ultraschall-Prütimpulsen einer gewählten Impulsfolgefrequenz bei der Ultraschallprüfung von Blechen und ähnlichen Prüflingen nach dem Impuls-Echo-Verfahren |
-
1976
- 1976-08-11 DE DE2636401A patent/DE2636401C3/de not_active Expired
-
1977
- 1977-07-13 IT IT25701/77A patent/IT1083791B/it active
- 1977-08-09 GB GB33395/77A patent/GB1590807A/en not_active Expired
- 1977-08-10 FR FR7724631A patent/FR2361649A1/fr active Granted
- 1977-08-10 CA CA284,422A patent/CA1108283A/fr not_active Expired
- 1977-08-11 US US05/823,704 patent/US4170143A/en not_active Expired - Lifetime
- 1977-08-11 JP JP9653477A patent/JPS5321980A/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3482434A (en) * | 1966-02-23 | 1969-12-09 | Automation Ind Inc | Ultrasonic nondestructive tester including means for separating electrical noise from the electrical signals |
DE1936183A1 (de) * | 1969-07-16 | 1971-02-04 | Deutsch Pruef Messgeraete | Ultraschall-Monitor |
DE2344702A1 (de) * | 1973-09-05 | 1975-03-06 | Dirk Bruehl | Verfahren und schaltungsanordnung zur erzielung einer anzeige von stark gestoerten periodisch wiederkehrenden signalen |
DE2519386A1 (de) * | 1974-04-30 | 1975-11-13 | Intec Corp | Laser-abtastsystem zum auffinden von rissen |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2396296A1 (fr) * | 1977-07-01 | 1979-01-26 | Akad Tekn Videnskaber | Appareil pour l'enregistrement d'echos dus a des defauts d'homogeneite d'objets par ailleurs homogenes, a surface plane ou legerement arquee, sondes aux ultrasons |
EP0294255A1 (fr) * | 1987-05-12 | 1988-12-07 | Commissariat A L'energie Atomique | Procédé automatique d'identification de défauts par ultrasons, et système correspondant |
US4869109A (en) * | 1987-05-12 | 1989-09-26 | Thierry Miglianico | Automatic process for identification of defects by ultrasound and corresponding system |
FR2662501A1 (fr) * | 1990-05-28 | 1991-11-29 | Valtubes | Procede de detection de defauts sur des tubes metalliques a nervures helicouidales internes. |
EP0459920A1 (fr) * | 1990-05-28 | 1991-12-04 | Valtubes | Procédé de détection de défauts sur des tubes métalliques à nervures hélicoidales internes |
US5230247A (en) * | 1990-05-28 | 1993-07-27 | Valtubes | Method of assessing faults in metal tubes having internal helical ribs |
Also Published As
Publication number | Publication date |
---|---|
CA1108283A (fr) | 1981-09-01 |
GB1590807A (en) | 1981-06-10 |
FR2361649B1 (fr) | 1981-11-20 |
DE2636401A1 (de) | 1978-02-16 |
IT1083791B (it) | 1985-05-25 |
US4170143A (en) | 1979-10-09 |
JPS5321980A (en) | 1978-02-28 |
DE2636401C3 (de) | 1983-11-03 |
DE2636401B2 (de) | 1978-06-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2361649A1 (fr) | Procede de detection automatique de zones indicatrices d'ultra-sons lors du controle non destructif de pieces metalliques | |
ATE15229T1 (de) | Verfahren zum nachweisen von okkultem humanblut in humanstuhlproben. | |
SE8804166L (sv) | Fluidnivaa-detektor | |
DE3370864D1 (en) | Device for the detection and quantification of agglutinates | |
ES8306880A1 (es) | "un metodo con su aparato correspondiente para medir el tiempo de coagulacion de una muestra de sangre". | |
ATE66531T1 (de) | Verfahren zum nachweis von immunkomplexen im serum. | |
DE3586653D1 (de) | Diagnostisches testverfahren eines inhibitors von plasminogen aktivatoren vom tissue- und urokinasetyp. | |
GR1002556B (el) | Συστημα ελαχιστης διαδικασιας για τον προσδιορισνο αναλυτων. | |
ATE122464T1 (de) | Verfahren und vorrichtung zum nachweis der nicht- triglyceride in ölen. | |
EP0155565A3 (en) | Test kit for determining the activated partial thromboplastin time (ptt) having increased heparin sensitivity | |
ATE67315T1 (de) | Verfahren zur durchfuehrung von immunfluoreszenztesten. | |
ATE45422T1 (de) | Pruefverfahren zur ermittlung der genauigkeit von werkzeugmaschinen und anordnung zur durchfuehrung des verfahrens. | |
KR890008327A (ko) | 효소 역학의 자동측정 방법 | |
JPS5642136A (en) | Ultrasonic flaw detecting method | |
Dempsey et al. | Assessing the condition of cast iron pipes | |
JPS57207860A (en) | Ultrasonic test equipment of piping | |
ES490961A0 (es) | Un procedimiento para la determinacion de la alfa-glutamil- transp | |
ATE16049T1 (de) | Verfahren zum erkennen des geschlechtes von eierlegenden tieren in weibchen in vitellogenese durch einen immunoagglutinationstest. | |
JPS57171201A (en) | Measuring device for difference in width of rolling bearing | |
JPS51150379A (en) | Surface defects detecting device for picking steel plate | |
FR2549607B1 (fr) | Procede de detection de defauts, notamment internes, tels que fissures dans des joints soudes | |
JPS531585A (en) | Ultrasonic flaw detector | |
JPS56135422A (en) | Reagent and method for diagnosis of pancreatic cancer | |
SE7507085L (sv) | Isotopmerkt vegetabilisk olja | |
SU504152A1 (ru) | Способ определени содержани углерода в металлических материалах |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |