JPS6326342B2 - - Google Patents
Info
- Publication number
- JPS6326342B2 JPS6326342B2 JP56031736A JP3173681A JPS6326342B2 JP S6326342 B2 JPS6326342 B2 JP S6326342B2 JP 56031736 A JP56031736 A JP 56031736A JP 3173681 A JP3173681 A JP 3173681A JP S6326342 B2 JPS6326342 B2 JP S6326342B2
- Authority
- JP
- Japan
- Prior art keywords
- wave
- transmitted
- probe
- waves
- tube
- 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
- 239000000523 sample Substances 0.000 claims description 35
- 230000007547 defect Effects 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 14
- 238000005266 casting Methods 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000005259 measurement Methods 0.000 description 4
- 230000002950 deficient Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009750 centrifugal casting Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000002604 ultrasonography 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
- G01N29/04—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
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
-
- 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
- G01N2291/04—Wave modes and trajectories
- G01N2291/048—Transmission, i.e. analysed material between transmitter and receiver
-
- 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)
- Acoustics & Sound (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)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56031736A JPS57146159A (en) | 1981-03-04 | 1981-03-04 | Ultrasonic wave flaw detecting method for centrifugal casting pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56031736A JPS57146159A (en) | 1981-03-04 | 1981-03-04 | Ultrasonic wave flaw detecting method for centrifugal casting pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57146159A JPS57146159A (en) | 1982-09-09 |
| JPS6326342B2 true JPS6326342B2 (enrdf_load_stackoverflow) | 1988-05-30 |
Family
ID=12339314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56031736A Granted JPS57146159A (en) | 1981-03-04 | 1981-03-04 | Ultrasonic wave flaw detecting method for centrifugal casting pipe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57146159A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02111437U (enrdf_load_stackoverflow) * | 1989-02-23 | 1990-09-06 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6082857A (ja) * | 1983-10-13 | 1985-05-11 | Kubota Ltd | 遠心鋳造管の超音波探傷方法 |
| JPH0682117B2 (ja) * | 1988-12-27 | 1994-10-19 | 新日本製鐵株式会社 | 電縫銅管の超音波探傷装置 |
-
1981
- 1981-03-04 JP JP56031736A patent/JPS57146159A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02111437U (enrdf_load_stackoverflow) * | 1989-02-23 | 1990-09-06 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57146159A (en) | 1982-09-09 |
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