IT8422179A0 - Procedimento per il controllo nondistruttivo con onde guidate. - Google Patents
Procedimento per il controllo nondistruttivo con onde guidate.Info
- Publication number
- IT8422179A0 IT8422179A0 IT8422179A IT2217984A IT8422179A0 IT 8422179 A0 IT8422179 A0 IT 8422179A0 IT 8422179 A IT8422179 A IT 8422179A IT 2217984 A IT2217984 A IT 2217984A IT 8422179 A0 IT8422179 A0 IT 8422179A0
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- destructive testing
- guided waves
- waves
- guided
- Prior art date
Links
- 238000000034 method Methods 0.000 title 1
- 238000009659 non-destructive testing Methods 0.000 title 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
- G01N29/44—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
- G01N29/22—Details, e.g. general constructional or apparatus details
-
- 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
- G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
- G01N29/42—Detecting the response signal, e.g. electronic circuits specially adapted therefor by frequency filtering or by tuning to resonant frequency
-
- 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
- G01N2291/04—Wave modes and trajectories
- G01N2291/044—Internal reflections (echoes), e.g. on walls or defects
Landscapes
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19833331468 DE3331468A1 (de) | 1983-08-29 | 1983-08-29 | Verfahren zur zerstoerungsfreien pruefung mit gefuehrten wellen |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8422179A0 true IT8422179A0 (it) | 1984-08-01 |
IT1180212B IT1180212B (it) | 1987-09-23 |
Family
ID=6207933
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT22179/84A IT1180212B (it) | 1983-08-29 | 1984-08-01 | Procedimento per il controllo non distruttivo con onde guidate |
Country Status (5)
Country | Link |
---|---|
US (1) | US4646572A (it) |
DE (1) | DE3331468A1 (it) |
FR (1) | FR2551212A1 (it) |
GB (1) | GB2145822B (it) |
IT (1) | IT1180212B (it) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63173958A (ja) * | 1987-01-14 | 1988-07-18 | Ngk Insulators Ltd | 超音波自動探傷方法 |
GB2371623B (en) * | 2001-01-26 | 2004-07-14 | David Nathaniel Alleyne | Inspection of non axi-symmetric elongate bodies |
US20040091076A1 (en) * | 2002-11-08 | 2004-05-13 | Pacific Gas & Electric Company | Method and system for nondestructive inspection of components |
US7783433B2 (en) * | 2007-05-22 | 2010-08-24 | Honeywell International Inc. | Automated defect detection of corrosion or cracks using SAFT processed Lamb wave images |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1549667A (en) * | 1922-06-07 | 1925-08-11 | Gen Electric | Circuit contact |
US3512400A (en) * | 1967-04-13 | 1970-05-19 | Panametrics | Ultrasonic testing method |
US3868847A (en) * | 1972-12-04 | 1975-03-04 | Walter A Gunkel | System and apparatus for inspecting elongated welds |
US3955405A (en) * | 1973-12-07 | 1976-05-11 | Automation Industries, Inc. | Ultrasonic NDT system with flashing display alarm |
DE2424075C2 (de) * | 1974-05-17 | 1982-07-08 | Krautkrämer, GmbH, 5000 Köln | Ultraschallprüfverfahren für dickwandige Prüflinge mit einer Mehrzahl von Ultraschallprüfköpfen |
US4041774A (en) * | 1976-07-02 | 1977-08-16 | Rockwell International Corporation | Acoustic data acquisition device |
DE2632674B2 (de) * | 1976-07-16 | 1978-06-08 | Karl Deutsch Pruef- Und Messgeraetebau, 5600 Wuppertal | Elektronische Einrichtung zur taktweisen Erfassung, Aus- und Bewertung von Impulsen bei der zerstörungsfreien Ultraschall-Werkstoffprüfung |
US4092868A (en) * | 1976-10-12 | 1978-06-06 | Rockwell International Corporation | Ultrasonic inspection of pipelines |
DE2701054C3 (de) * | 1977-01-12 | 1979-12-06 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V., 8000 Muenchen | Verfahren zur Fehlerermittlung in Werkstoffen mit hoher Ultraschall-Streuung |
FR2443113B1 (fr) * | 1978-06-30 | 1985-12-06 | Deutsch Pruef Messgeraete | Procede et dispositif d'emission d'impulsions acoustiques, particulierement dans le domaine des ultra-sons, et application de ces impulsions notamment au controle non destructif de materiaux |
US4222275A (en) * | 1978-10-02 | 1980-09-16 | Dapco Industries, Inc. | System for non-destructively acquiring and processing information about a test piece |
US4229796A (en) * | 1979-02-15 | 1980-10-21 | Westinghouse Electric Corp. | Programmed controller for ultrasonic testing |
US4408228A (en) * | 1980-11-02 | 1983-10-04 | General Electric Company | Method and means for reducing noise in television display system |
-
1983
- 1983-08-29 DE DE19833331468 patent/DE3331468A1/de not_active Ceased
-
1984
- 1984-08-01 IT IT22179/84A patent/IT1180212B/it active
- 1984-08-16 FR FR8412869A patent/FR2551212A1/fr not_active Withdrawn
- 1984-08-16 US US06/641,264 patent/US4646572A/en not_active Expired - Fee Related
- 1984-08-28 GB GB08421693A patent/GB2145822B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB8421693D0 (en) | 1984-10-03 |
DE3331468A1 (de) | 1985-03-07 |
GB2145822B (en) | 1986-09-03 |
FR2551212A1 (fr) | 1985-03-01 |
GB2145822A (en) | 1985-04-03 |
US4646572A (en) | 1987-03-03 |
IT1180212B (it) | 1987-09-23 |
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