JPH0142376B2 - - Google Patents
Info
- Publication number
- JPH0142376B2 JPH0142376B2 JP57068287A JP6828782A JPH0142376B2 JP H0142376 B2 JPH0142376 B2 JP H0142376B2 JP 57068287 A JP57068287 A JP 57068287A JP 6828782 A JP6828782 A JP 6828782A JP H0142376 B2 JPH0142376 B2 JP H0142376B2
- Authority
- JP
- Japan
- Prior art keywords
- thin tube
- transmitting coil
- defect
- emat
- coil
- 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
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims 1
- 230000003068 static effect Effects 0.000 claims 1
- 230000007547 defect Effects 0.000 description 20
- BLRBOMBBUUGKFU-SREVYHEPSA-N (z)-4-[[4-(4-chlorophenyl)-5-(2-methoxy-2-oxoethyl)-1,3-thiazol-2-yl]amino]-4-oxobut-2-enoic acid Chemical compound S1C(NC(=O)\C=C/C(O)=O)=NC(C=2C=CC(Cl)=CC=2)=C1CC(=O)OC BLRBOMBBUUGKFU-SREVYHEPSA-N 0.000 description 16
- 238000001514 detection method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 230000004907 flux Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 230000002950 deficient Effects 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 238000002592 echocardiography Methods 0.000 description 2
- 230000001902 propagating effect Effects 0.000 description 2
- 235000019687 Lamb Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 210000005239 tubule Anatomy 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
- G01N29/24—Probes
- G01N29/2412—Probes using the magnetostrictive properties of the material to be examined, e.g. electromagnetic acoustic transducers [EMAT]
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (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 |
|---|---|---|---|
| JP57068287A JPS58186046A (ja) | 1982-04-23 | 1982-04-23 | 電磁音響トランスデユ−サ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57068287A JPS58186046A (ja) | 1982-04-23 | 1982-04-23 | 電磁音響トランスデユ−サ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58186046A JPS58186046A (ja) | 1983-10-29 |
| JPH0142376B2 true JPH0142376B2 (en]) | 1989-09-12 |
Family
ID=13369396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57068287A Granted JPS58186046A (ja) | 1982-04-23 | 1982-04-23 | 電磁音響トランスデユ−サ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58186046A (en]) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0378287B1 (de) * | 1989-01-13 | 1996-06-19 | MANNESMANN Aktiengesellschaft | Verfahren zur Erfassung von Ungänzen an langgestreckten Werkstücken |
-
1982
- 1982-04-23 JP JP57068287A patent/JPS58186046A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58186046A (ja) | 1983-10-29 |
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