JPH0572543B2 - - Google Patents
Info
- Publication number
- JPH0572543B2 JPH0572543B2 JP60070311A JP7031185A JPH0572543B2 JP H0572543 B2 JPH0572543 B2 JP H0572543B2 JP 60070311 A JP60070311 A JP 60070311A JP 7031185 A JP7031185 A JP 7031185A JP H0572543 B2 JPH0572543 B2 JP H0572543B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- pulse signal
- defect
- pulse
- circuit
- 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 - Lifetime
Links
- 230000007547 defect Effects 0.000 claims description 49
- 238000001514 detection method Methods 0.000 claims description 18
- 238000005259 measurement Methods 0.000 claims description 16
- 230000002950 deficient Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 239000000523 sample Substances 0.000 claims description 9
- 230000001934 delay Effects 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 2
- 238000003708 edge detection Methods 0.000 claims 4
- 229910000831 Steel Inorganic materials 0.000 description 44
- 239000010959 steel Substances 0.000 description 44
- 238000010586 diagram Methods 0.000 description 7
- 230000003111 delayed effect Effects 0.000 description 4
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003973 paint Substances 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
- G01N29/04—Analysing solids
- G01N29/048—Marking the faulty 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
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/27—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the material relative to a stationary sensor
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Acoustics & Sound (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60070311A JPS61228346A (ja) | 1985-04-03 | 1985-04-03 | 自動探傷装置 |
US06/842,458 US4700572A (en) | 1985-04-03 | 1986-03-21 | Automatic ultrasonic flaw detecting system |
GB08607802A GB2175091B (en) | 1985-04-03 | 1986-03-27 | An automatic ultrasonic flaw detecting system |
DE19863611370 DE3611370A1 (de) | 1985-04-03 | 1986-04-02 | System zur erfassung von fehlstellen an stahlrohren |
SU864027248A SU1416064A3 (ru) | 1985-04-03 | 1986-04-02 | Автоматическа ультразвукова система обнаружени трещин в стальных трубах |
GB08701602A GB2184545B (en) | 1985-04-03 | 1987-01-26 | An automatic ultrasonic flaw detecting system |
SU874202537A SU1561833A3 (ru) | 1985-04-03 | 1987-04-08 | Автоматическа ультразвукова система обнаружени трещин в стальных трубах |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60070311A JPS61228346A (ja) | 1985-04-03 | 1985-04-03 | 自動探傷装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61228346A JPS61228346A (ja) | 1986-10-11 |
JPH0572543B2 true JPH0572543B2 (enrdf_load_stackoverflow) | 1993-10-12 |
Family
ID=13427782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60070311A Granted JPS61228346A (ja) | 1985-04-03 | 1985-04-03 | 自動探傷装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61228346A (enrdf_load_stackoverflow) |
-
1985
- 1985-04-03 JP JP60070311A patent/JPS61228346A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS61228346A (ja) | 1986-10-11 |
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