ATE125360T1 - Verfahren zur feststellung von fehlern auf metallrohren mit schraubenlinienförmig verlaufenden innenrippen. - Google Patents
Verfahren zur feststellung von fehlern auf metallrohren mit schraubenlinienförmig verlaufenden innenrippen.Info
- Publication number
- ATE125360T1 ATE125360T1 AT91420167T AT91420167T ATE125360T1 AT E125360 T1 ATE125360 T1 AT E125360T1 AT 91420167 T AT91420167 T AT 91420167T AT 91420167 T AT91420167 T AT 91420167T AT E125360 T1 ATE125360 T1 AT E125360T1
- Authority
- AT
- Austria
- Prior art keywords
- signal
- metal pipes
- detecting defects
- internal ribs
- helical internal
- Prior art date
Links
- 239000002184 metal Substances 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- IHPYMWDTONKSCO-UHFFFAOYSA-N 2,2'-piperazine-1,4-diylbisethanesulfonic acid Chemical compound OS(=O)(=O)CCN1CCN(CCS(O)(=O)=O)CC1 IHPYMWDTONKSCO-UHFFFAOYSA-N 0.000 title 1
- 239000007990 PIPES buffer Substances 0.000 title 1
- 230000007547 defect Effects 0.000 abstract 2
- 238000001514 detection method Methods 0.000 abstract 2
- 238000011156 evaluation Methods 0.000 abstract 2
- 238000007689 inspection Methods 0.000 abstract 1
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
- G01N29/04—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
- G01N29/04—Analysing solids
- G01N29/043—Analysing solids in the interior, e.g. by shear 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
- G01N29/04—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
- G01N29/36—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
- G01N29/4463—Signal correction, e.g. distance amplitude correction [DAC], distance gain size [DGS], noise filtering
-
- 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
- G01N2291/023—Solids
- G01N2291/0234—Metals, e.g. steel
-
- 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
-
- 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
- G01N2291/10—Number of transducers
- G01N2291/101—Number of transducers one transducer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S73/00—Measuring and testing
- Y10S73/90—Automatic gain control
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)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR909006825A FR2662501B1 (fr) | 1990-05-28 | 1990-05-28 | Procede de detection de defauts sur des tubes metalliques a nervures helicouidales internes. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE125360T1 true ATE125360T1 (de) | 1995-08-15 |
Family
ID=9397173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT91420167T ATE125360T1 (de) | 1990-05-28 | 1991-05-27 | Verfahren zur feststellung von fehlern auf metallrohren mit schraubenlinienförmig verlaufenden innenrippen. |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5230247A (de) |
| EP (1) | EP0459920B1 (de) |
| JP (1) | JP3084082B2 (de) |
| AT (1) | ATE125360T1 (de) |
| DE (1) | DE69111307T2 (de) |
| ES (1) | ES2074245T3 (de) |
| FR (1) | FR2662501B1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5377237A (en) * | 1993-04-05 | 1994-12-27 | General Electric Company | Method of inspecting repaired stub tubes in boiling water nuclear reactors |
| US7146524B2 (en) * | 2001-08-03 | 2006-12-05 | Isilon Systems, Inc. | Systems and methods for providing a distributed file system incorporating a virtual hot spare |
| US9784627B2 (en) | 2013-11-27 | 2017-10-10 | Panasonic Intellectual Property Management Co., Ltd. | Load sensor, load detector including load sensor, and method for detecting load |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2238130C3 (de) * | 1972-08-03 | 1980-10-09 | Krautkraemer, Gmbh, 5000 Koeln | Verfahren zur Ermittlung und Kompensation von unterschiedlichen Schallschwächungseigenschaften bei der Ultraschall-Werkstoffprüfung |
| US4016750B1 (en) * | 1975-11-06 | 1994-04-05 | Stanford Research Inst | Ultrasonic imaging method and apparatus |
| US4056971A (en) * | 1976-05-10 | 1977-11-08 | Automation Industries, Inc. | Distance amplitude compensation system |
| GB1534366A (en) * | 1976-07-23 | 1978-12-06 | Emi Ltd | Signal processing arrangements |
| DE2636401C3 (de) * | 1976-08-11 | 1983-11-03 | Mannesmann AG, 4000 Düsseldorf | Verfahren zur automatischen Erkennung von Ultraschallanzeigen |
| US4098130A (en) * | 1977-03-11 | 1978-07-04 | General Electric Company | Energy reflection flaw detection system |
| JPS58165073A (ja) * | 1982-03-25 | 1983-09-30 | Mitsubishi Heavy Ind Ltd | 距離振巾補正回路 |
| US4524622A (en) * | 1982-07-20 | 1985-06-25 | Kabushiki Kaisha Kobe Seiko Sho | Method and apparatus of ultrasonic flaw detection |
| US4487072A (en) * | 1982-08-11 | 1984-12-11 | Livingston Waylon A | Ultrasonic testing of tubular goods |
| US4599900A (en) * | 1984-01-03 | 1986-07-15 | Automation Industries, Inc. | Workpiece for handling apparatus for nondestructive testing |
| FR2615288B1 (fr) * | 1987-05-12 | 1989-09-22 | Commissariat Energie Atomique | Procede automatique d'identification de defauts par ultrasons et systeme correspondant |
-
1990
- 1990-05-28 FR FR909006825A patent/FR2662501B1/fr not_active Expired - Fee Related
-
1991
- 1991-05-24 US US07/705,584 patent/US5230247A/en not_active Expired - Fee Related
- 1991-05-27 EP EP91420167A patent/EP0459920B1/de not_active Expired - Lifetime
- 1991-05-27 ES ES91420167T patent/ES2074245T3/es not_active Expired - Lifetime
- 1991-05-27 AT AT91420167T patent/ATE125360T1/de not_active IP Right Cessation
- 1991-05-27 DE DE69111307T patent/DE69111307T2/de not_active Expired - Fee Related
- 1991-05-27 JP JP03121395A patent/JP3084082B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| FR2662501B1 (fr) | 1994-11-18 |
| JP3084082B2 (ja) | 2000-09-04 |
| DE69111307D1 (de) | 1995-08-24 |
| FR2662501A1 (fr) | 1991-11-29 |
| EP0459920A1 (de) | 1991-12-04 |
| US5230247A (en) | 1993-07-27 |
| JPH0674942A (ja) | 1994-03-18 |
| DE69111307T2 (de) | 1996-01-25 |
| ES2074245T3 (es) | 1995-09-01 |
| EP0459920B1 (de) | 1995-07-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification | ||
| REN | Ceased due to non-payment of the annual fee |