JPH0134343B2 - - Google Patents
Info
- Publication number
- JPH0134343B2 JPH0134343B2 JP10186981A JP10186981A JPH0134343B2 JP H0134343 B2 JPH0134343 B2 JP H0134343B2 JP 10186981 A JP10186981 A JP 10186981A JP 10186981 A JP10186981 A JP 10186981A JP H0134343 B2 JPH0134343 B2 JP H0134343B2
- Authority
- JP
- Japan
- Prior art keywords
- eddy current
- iron core
- coil
- test material
- wire
- 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
- 230000005291 magnetic effect Effects 0.000 claims description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 14
- 230000005294 ferromagnetic effect Effects 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 3
- 238000002604 ultrasonography Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 238000001514 detection method Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000004804 winding 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
- G01N29/24—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)
- Transducers For Ultrasonic Waves (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10186981A JPS582745A (ja) | 1981-06-30 | 1981-06-30 | 電磁超音波変換器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10186981A JPS582745A (ja) | 1981-06-30 | 1981-06-30 | 電磁超音波変換器 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23168888A Division JPH021545A (ja) | 1988-09-16 | 1988-09-16 | 電磁超音波変換器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS582745A JPS582745A (ja) | 1983-01-08 |
| JPH0134343B2 true JPH0134343B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-07-19 |
Family
ID=14311988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10186981A Granted JPS582745A (ja) | 1981-06-30 | 1981-06-30 | 電磁超音波変換器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS582745A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
1981
- 1981-06-30 JP JP10186981A patent/JPS582745A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS582745A (ja) | 1983-01-08 |