GB1560407A - Apparatus for testing a continuously moving sheet of material - Google Patents
Apparatus for testing a continuously moving sheet of material Download PDFInfo
- Publication number
- GB1560407A GB1560407A GB43499/76A GB4349976A GB1560407A GB 1560407 A GB1560407 A GB 1560407A GB 43499/76 A GB43499/76 A GB 43499/76A GB 4349976 A GB4349976 A GB 4349976A GB 1560407 A GB1560407 A GB 1560407A
- Authority
- GB
- United Kingdom
- Prior art keywords
- changes
- transit times
- specimen
- pulses
- thickness
- 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.)
- Expired
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
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
- G01B17/02—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring thickness
-
- 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
- G01N29/07—Analysing solids by measuring propagation velocity or propagation time 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
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/28—Details, e.g. general constructional or apparatus details providing acoustic coupling, e.g. water
-
- 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
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/30—Arrangements for calibrating or comparing, e.g. with standard objects
-
- 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
- G01N29/38—Detecting the response signal, e.g. electronic circuits specially adapted therefor by time filtering, e.g. using time gates
-
- 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
- G01N29/4445—Classification of defects
-
- 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
- G01N29/4463—Signal correction, e.g. distance amplitude correction [DAC], distance gain size [DGS], noise filtering
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/06—Systems determining the position data of a target
- G01S15/08—Systems for measuring distance only
-
- 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 Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2620590A DE2620590C3 (de) | 1976-05-10 | 1976-05-10 | Verfahren zur Blendensetzung während der automatisierten Prüfstückdickenmessung und/oder zerstörungsfreien Werkstoffprüfung mit Ultraschall |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1560407A true GB1560407A (en) | 1980-02-06 |
Family
ID=5977536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB43499/76A Expired GB1560407A (en) | 1976-05-10 | 1976-10-20 | Apparatus for testing a continuously moving sheet of material |
Country Status (5)
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2128739A (en) * | 1982-09-15 | 1984-05-02 | Schlumberger Electronics | Ultrasonic inspection devices |
GB2140561A (en) * | 1983-05-27 | 1984-11-28 | Fulmer Res Inst Ltd | Ultrasonic testing apparatus and a method of ultrasonic testing |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4137776A (en) * | 1978-05-08 | 1979-02-06 | The United States Of America As Represented By The Secretary Of The Department Of Transportation | Automatic base gate positioning circuit |
US4297876A (en) * | 1979-08-29 | 1981-11-03 | Amf Incorporated | Ultrasonic tire testing apparatus |
DE2945202C2 (de) * | 1979-11-09 | 1982-12-23 | Krautkrämer, GmbH, 5000 Köln | Tragbares Ultraschall-Prüfgerät für die zerstörungsfreie Werkstoffprüfung |
DE2945201C2 (de) * | 1979-11-09 | 1983-02-24 | Krautkrämer, GmbH, 5000 Köln | Schaltungsvorrichtung zur Erzeugung eines Signalerwartungsbereiches auf dem Bildschirm einer Kathodenstrahlröhre eines tragbaren Ultraschallprüfgerätes für die zerstörungsfreie Werkstoffprüfung |
DE2945200C2 (de) * | 1979-11-09 | 1983-05-26 | Krautkrämer GmbH, 5000 Köln | Verfahren und Schaltungsvorrichtung zur Erzeugung von Sägezahnimpulsen sowie Verwendung derartiger Schaltungsvorrichtungen in Ultraschall-Meßgeräten |
GB2090413B (en) * | 1979-11-09 | 1984-07-18 | Krautkraemer Gmbh | Ultrasonic testing |
JPS5892811A (ja) * | 1980-12-08 | 1983-06-02 | Teitsuu Denshi Kenkyusho:Kk | 超音波式厚さ測定方法 |
JPS57136107A (en) * | 1981-02-17 | 1982-08-23 | Teitsuu Denshi Kenkyusho:Kk | Ultrasonic thickness measuring method and apparatus |
FR2518751A1 (fr) * | 1981-12-22 | 1983-06-24 | Euratom | Systeme de surveillance d'une pluralite de conteneurs utilisant des sceaux ultrasonores |
US4470304A (en) * | 1982-06-01 | 1984-09-11 | Bethlehem Steel Corp. | Ultrasonic inspection system |
US4545248A (en) * | 1983-06-16 | 1985-10-08 | Kabushiki Kaisha Tokyo Keiki | Ultrasonic thickness gauge |
US4799177A (en) * | 1985-12-31 | 1989-01-17 | The Boeing Company | Ultrasonic instrumentation for examination of variable-thickness objects |
US4799168A (en) * | 1985-12-31 | 1989-01-17 | The Boeing Company | Data recording apparatus for an ultrasonic inspection system |
GB8603010D0 (en) * | 1986-02-06 | 1986-03-12 | Britoil Plc | Ultrasonic thickness meter |
FR2654508B1 (fr) * | 1989-11-14 | 1992-02-21 | Aerospatiale Ste Nat Indle | Dispositif et sonde pour mesurer la variation de distance separant les deux faces d'une couche de matiere au moyen d'ultrasons. |
US5088327A (en) * | 1990-05-17 | 1992-02-18 | The United States Of America As Represented By The Secretary Of The Navy | Phase cancellation enhancement of ultrasonic evaluation of metal-to-elastomer bonding |
JPH0894344A (ja) * | 1994-07-26 | 1996-04-12 | Shinko Kensa Service Kk | 超音波の横波を利用した層厚測定装置 |
US5814731A (en) * | 1997-01-28 | 1998-09-29 | Alexander; Alton Michel | Ultrasonic scanning apparatus for nondestructive site characterization of structures using a planar based acoustic transmitter and receiver in a rolling pond |
US6304090B1 (en) | 1999-10-22 | 2001-10-16 | Arnold A. Weiss | High voltage tire testing apparatus |
US6907777B2 (en) * | 2002-04-04 | 2005-06-21 | Arnold A. Weiss | Apparatus and method for electronic tire testing |
US6832513B2 (en) * | 2002-04-05 | 2004-12-21 | Arnold A. Weiss | Apparatus and method for tire testing |
US6837102B2 (en) * | 2002-04-05 | 2005-01-04 | Arnold A. Weiss | Method and apparatus for tire flaw detection |
AU2003250276A1 (en) * | 2002-07-17 | 2004-03-03 | Agfa Ndt Gmbh | Method for determining the sound velocity in a basic material, particularly for measuring the thickness of a layer |
US7278289B2 (en) * | 2003-04-28 | 2007-10-09 | Sonora Medical Systems, Inc. | Apparatus and methods for testing acoustic systems |
JP3864180B2 (ja) * | 2004-11-15 | 2006-12-27 | 独立行政法人 宇宙航空研究開発機構 | 超音波試験方法及びこれに用いる超音波試験装置 |
US7637163B2 (en) * | 2006-02-02 | 2009-12-29 | The Boeing Company | Thin-film ultrasonic probe |
EP1826559A1 (fr) * | 2006-02-22 | 2007-08-29 | M. Frédéric Renard | Chariot pour le maintien d'un palpeur à ultrasons |
US8286488B2 (en) * | 2009-05-01 | 2012-10-16 | General Electric Company | Apparatus and system for measuring material thickness |
GB2512835A (en) | 2013-04-08 | 2014-10-15 | Permasense Ltd | Ultrasonic detection of a change in a surface of a wall |
US10833609B2 (en) * | 2014-01-02 | 2020-11-10 | Elio Battista Porcelli | Induction of force performed by the piezoelectric materials |
EP3382386B1 (en) | 2017-03-29 | 2020-10-14 | Fujitsu Limited | Defect detection using ultrasound scan data |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3646805A (en) * | 1969-10-03 | 1972-03-07 | Amf Inc | Ultrasonic flaw detection circuit |
GB1307310A (en) * | 1970-08-28 | 1973-02-21 | Smiths Industries Ltd | Sonar apparatus |
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 |
JPS5243596B2 (US08197722-20120612-C00042.png) * | 1972-10-13 | 1977-10-31 | ||
DE2422439C2 (de) * | 1974-05-09 | 1983-12-08 | Krautkrämer GmbH, 5000 Köln | Verfahren zur Fehlerblendeneinstellung bei einem Ultraschallprüfverfahren |
US3986389A (en) * | 1975-11-03 | 1976-10-19 | Jones & Laughlin Steel Corporation | Gating control system in ultrasonic inspection apparatus |
-
1976
- 1976-05-10 DE DE2620590A patent/DE2620590C3/de not_active Expired
- 1976-10-05 FR FR7629922A patent/FR2351420A1/fr active Granted
- 1976-10-20 GB GB43499/76A patent/GB1560407A/en not_active Expired
- 1976-12-24 JP JP15520276A patent/JPS52136685A/ja active Granted
-
1977
- 1977-03-09 US US05/776,000 patent/US4088028A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2128739A (en) * | 1982-09-15 | 1984-05-02 | Schlumberger Electronics | Ultrasonic inspection devices |
GB2140561A (en) * | 1983-05-27 | 1984-11-28 | Fulmer Res Inst Ltd | Ultrasonic testing apparatus and a method of ultrasonic testing |
Also Published As
Publication number | Publication date |
---|---|
DE2620590A1 (de) | 1977-12-01 |
JPS5645102B2 (US08197722-20120612-C00042.png) | 1981-10-23 |
DE2620590B2 (de) | 1981-02-26 |
DE2620590C3 (de) | 1981-11-12 |
FR2351420A1 (fr) | 1977-12-09 |
FR2351420B1 (US08197722-20120612-C00042.png) | 1983-02-04 |
JPS52136685A (en) | 1977-11-15 |
US4088028A (en) | 1978-05-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19921020 |