DE3138659C2 - - Google Patents
Info
- Publication number
- DE3138659C2 DE3138659C2 DE19813138659 DE3138659A DE3138659C2 DE 3138659 C2 DE3138659 C2 DE 3138659C2 DE 19813138659 DE19813138659 DE 19813138659 DE 3138659 A DE3138659 A DE 3138659A DE 3138659 C2 DE3138659 C2 DE 3138659C2
- Authority
- DE
- Germany
- Prior art keywords
- error
- advertising
- length
- area
- error area
- 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
- 230000007547 defect Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 238000002604 ultrasonography Methods 0.000 claims description 7
- 238000007689 inspection Methods 0.000 claims description 5
- 238000011156 evaluation Methods 0.000 claims description 4
- 239000000523 sample Substances 0.000 claims description 3
- 230000004907 flux Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- 238000009659 non-destructive testing Methods 0.000 claims description 2
- 238000012360 testing method Methods 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 230000004304 visual acuity Effects 0.000 description 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
- G01N29/48—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by amplitude comparison
-
- 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
- G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
- G01N29/0609—Display arrangements, e.g. colour displays
- G01N29/0618—Display arrangements, e.g. colour displays synchronised with scanning, e.g. in real-time
-
- 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
- G01N29/4409—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
- G01N29/44—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
- 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
- G01N2291/26—Scanned objects
- G01N2291/263—Surfaces
- G01N2291/2634—Surfaces cylindrical from outside
-
- 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
- G01N2291/26—Scanned objects
- G01N2291/267—Welds
- G01N2291/2675—Seam, butt welding
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)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19813138659 DE3138659A1 (de) | 1981-09-10 | 1981-09-29 | Messverfahren zur fehlerbestimmung in schweissnaehten |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE8126298 | 1981-09-10 | ||
| DE19813138659 DE3138659A1 (de) | 1981-09-10 | 1981-09-29 | Messverfahren zur fehlerbestimmung in schweissnaehten |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3138659A1 DE3138659A1 (de) | 1983-03-17 |
| DE3138659C2 true DE3138659C2 (enrdf_load_stackoverflow) | 1987-06-04 |
Family
ID=25796420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19813138659 Granted DE3138659A1 (de) | 1981-09-10 | 1981-09-29 | Messverfahren zur fehlerbestimmung in schweissnaehten |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3138659A1 (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2256907C1 (ru) * | 2003-10-16 | 2005-07-20 | Открытое акционерное общество "Новосибирский завод химконцентратов" | Способ измерения высоты непровара в сварных швах тонкостенных изделий |
| RU2256173C1 (ru) * | 2003-10-23 | 2005-07-10 | Открытое акционерное общество "Новосибирский завод химконцентратов" | Способ ультразвукового контроля качества сварных швов в тонкостенных изделиях |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT336925B (de) * | 1974-07-11 | 1977-06-10 | Kretztechnik Gmbh | Verfahren zum auswerten von aus der prufung bzw. untersuchung von objekten mit ultraschall nach dem impuls-echoverfahren gewonnenen informationen |
| DE2636401C3 (de) * | 1976-08-11 | 1983-11-03 | Mannesmann AG, 4000 Düsseldorf | Verfahren zur automatischen Erkennung von Ultraschallanzeigen |
| DE2846153C2 (de) * | 1978-10-24 | 1985-03-21 | Krautkrämer GmbH, 5000 Köln | Verfahren zur Ersatzreflektor-Größenbestimmmung bei der automatischen Ultraschallprüfung |
-
1981
- 1981-09-29 DE DE19813138659 patent/DE3138659A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3138659A1 (de) | 1983-03-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8127 | New person/name/address of the applicant |
Owner name: HOESCH WERKE AG, 4600 DORTMUND, DE |
|
| 8127 | New person/name/address of the applicant |
Owner name: HOESCH AG, 4600 DORTMUND, DE |
|
| D2 | Grant after examination | ||
| 8363 | Opposition against the patent | ||
| 8331 | Complete revocation |