JPS646550U - - Google Patents
Info
- Publication number
- JPS646550U JPS646550U JP10169387U JP10169387U JPS646550U JP S646550 U JPS646550 U JP S646550U JP 10169387 U JP10169387 U JP 10169387U JP 10169387 U JP10169387 U JP 10169387U JP S646550 U JPS646550 U JP S646550U
- Authority
- JP
- Japan
- Prior art keywords
- overlay
- transducer
- base material
- generating
- ultrasonic probe
- 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.)
- Pending
Links
- 230000007547 defect Effects 0.000 claims description 4
- 239000000523 sample Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Description
第１図は本考案表面欠陥用超音波探触子の一実
施例を示す縦断面図、第２図及び第３図はそれぞ
れ従来の探触子を示す縦断面図である。
１……縦波用振動子、２……表面波用振動子、
３……プラスチツク楔、４……リード線、５……
プラスチツク中縦波、６……鋼中表面波、７……
鋼中縦波、８……母材、９……オーバーレイ、１
０……表面欠陥、１１……表層欠陥、２１……縦
波用振動子、２３……プラスチツク楔、２５……
プラスチツク中縦波、２７……鋼中縦波、３２…
…表面波用振動子、３３……プラスチツク楔、３
５……プラスチツク中縦波、３６……鋼中表面波
。
FIG. 1 is a longitudinal sectional view showing an embodiment of the ultrasonic probe for detecting surface defects of the present invention, and FIGS. 2 and 3 are longitudinal sectional views showing conventional probes, respectively. 1...Longitudinal wave vibrator, 2...Surface wave vibrator,
3...Plastic wedge, 4...Lead wire, 5...
Longitudinal waves in plastic, 6...Surface waves in steel, 7...
Longitudinal waves in steel, 8... Base material, 9... Overlay, 1
0...Surface defect, 11...Surface layer defect, 21...Longitudinal wave vibrator, 23...Plastic wedge, 25...
Longitudinal waves in plastic, 27...Longitudinal waves in steel, 32...
...Surface wave transducer, 33...Plastic wedge, 3
5...Longitudinal waves in plastic, 36...Surface waves in steel.
Claims (1)
した部材のオーバーレイ表面に当接して探傷する
超音波探触子において、母材中で屈折角が７０°
〜９０°となる縦波を発生させるための振動子と
オーバーレイ中で表面波を発生するための振動子
とを同一のプラスチツク楔に固着するとともに、
上記両振動子に両者を同時に励振することが可能
なリード線をそれぞれ結線したことを特徴とする
表面欠陥用超音波探触子。 In an ultrasonic probe that detects flaws by contacting the overlay surface of a member in which an overlay with large ultrasonic attenuation is bonded to the base material, the refraction angle is 70° in the base material.
A transducer for generating a longitudinal wave of ~90° and a transducer for generating a surface wave in the overlay are fixed to the same plastic wedge,
An ultrasonic probe for surface defects, characterized in that both of the vibrators are connected with lead wires that can excite both at the same time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10169387U JPS646550U (en) | 1987-07-01 | 1987-07-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10169387U JPS646550U (en) | 1987-07-01 | 1987-07-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS646550U true JPS646550U (en) | 1989-01-13 |
Family
ID=31330920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10169387U Pending JPS646550U (en) | 1987-07-01 | 1987-07-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS646550U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5644842A (en) * | 1979-09-21 | 1981-04-24 | Hitachi Ltd | Ultrasonic probe |
-
1987
- 1987-07-01 JP JP10169387U patent/JPS646550U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5644842A (en) * | 1979-09-21 | 1981-04-24 | Hitachi Ltd | Ultrasonic probe |
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