GB1600643A - Method of dynamically discriminating between flaws and indications of faults with ultrasonic testing - Google Patents
Method of dynamically discriminating between flaws and indications of faults with ultrasonic testing Download PDFInfo
- Publication number
- GB1600643A GB1600643A GB264578A GB264578A GB1600643A GB 1600643 A GB1600643 A GB 1600643A GB 264578 A GB264578 A GB 264578A GB 264578 A GB264578 A GB 264578A GB 1600643 A GB1600643 A GB 1600643A
- Authority
- GB
- United Kingdom
- Prior art keywords
- flaw
- testing
- time
- echo
- difference
- 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
- 238000012360 testing method Methods 0.000 title claims description 47
- 238000000034 method Methods 0.000 title claims description 17
- 238000005259 measurement Methods 0.000 claims description 5
- 230000001629 suppression Effects 0.000 claims description 4
- 238000002604 ultrasonography Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 3
- 230000004069 differentiation Effects 0.000 claims description 2
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000007654 immersion Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009434 installation Methods 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
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/32—Arrangements for suppressing undesired influences, e.g. temperature or pressure variations, compensating for signal noise
-
- 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
- G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
- G01N29/4445—Classification of defects
-
- 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
- G01S15/50—Systems of measurement, based on relative movement of the target
- G01S15/52—Discriminating between fixed and moving objects or between objects moving at different speeds
- G01S15/523—Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection
-
- 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)
- Chemical & Material Sciences (AREA)
- Immunology (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pathology (AREA)
- Acoustics & Sound (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19772704128 DE2704128C3 (de) | 1977-01-28 | 1977-01-28 | Verfahren zur dynamischen Unterscheidung zwischen Störanzeigen und Fehlern bei der Ultraschallprüfung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1600643A true GB1600643A (en) | 1981-10-21 |
Family
ID=6000087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB264578A Expired GB1600643A (en) | 1977-01-28 | 1978-01-23 | Method of dynamically discriminating between flaws and indications of faults with ultrasonic testing |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5928261B2 (enrdf_load_stackoverflow) |
| DE (1) | DE2704128C3 (enrdf_load_stackoverflow) |
| FR (1) | FR2379070A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1600643A (enrdf_load_stackoverflow) |
| IT (1) | IT1086999B (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119246683A (zh) * | 2024-11-28 | 2025-01-03 | 中色(天津)新材料科技有限公司 | 一种拉拔管内部缺陷在线检测设备及方法 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1592601A (en) * | 1977-02-19 | 1981-07-08 | Rolls Royce | Apparatus for ultrasonic examination |
| GB2114758B (en) * | 1982-02-05 | 1985-07-31 | Rolls Royce | Ultrasonic flaw detector signal analyser |
| DE3204797C2 (de) * | 1982-02-11 | 1983-12-29 | Nukem Gmbh, 6450 Hanau | Impuls-Echo-Verfahren zur zerstörungsfreien Ultraschall-Werkstoffprüfung |
| JPS6155456U (enrdf_load_stackoverflow) * | 1984-09-17 | 1986-04-14 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3693100A (en) * | 1971-04-09 | 1972-09-19 | Presearch Inc | Cumulative enhancement signal processor |
-
1977
- 1977-01-28 DE DE19772704128 patent/DE2704128C3/de not_active Expired
- 1977-11-07 IT IT2935077A patent/IT1086999B/it active
-
1978
- 1978-01-13 FR FR7800927A patent/FR2379070A1/fr active Granted
- 1978-01-20 JP JP53005138A patent/JPS5928261B2/ja not_active Expired
- 1978-01-23 GB GB264578A patent/GB1600643A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119246683A (zh) * | 2024-11-28 | 2025-01-03 | 中色(天津)新材料科技有限公司 | 一种拉拔管内部缺陷在线检测设备及方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5928261B2 (ja) | 1984-07-11 |
| FR2379070A1 (fr) | 1978-08-25 |
| DE2704128B2 (de) | 1978-11-16 |
| IT1086999B (it) | 1985-05-31 |
| FR2379070B1 (enrdf_load_stackoverflow) | 1984-02-24 |
| JPS5395690A (en) | 1978-08-22 |
| DE2704128A1 (de) | 1978-08-10 |
| DE2704128C3 (de) | 1979-07-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |