JPH0342629B2 - - Google Patents
Info
- Publication number
- JPH0342629B2 JPH0342629B2 JP58102273A JP10227383A JPH0342629B2 JP H0342629 B2 JPH0342629 B2 JP H0342629B2 JP 58102273 A JP58102273 A JP 58102273A JP 10227383 A JP10227383 A JP 10227383A JP H0342629 B2 JPH0342629 B2 JP H0342629B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic field
- magnetic
- inspected
- steel pipe
- flaw detection
- 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
- 230000005291 magnetic effect Effects 0.000 claims description 140
- 230000007547 defect Effects 0.000 claims description 37
- 238000001514 detection method Methods 0.000 claims description 36
- 239000000463 material Substances 0.000 claims description 32
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 description 39
- 239000010959 steel Substances 0.000 description 39
- 238000010586 diagram Methods 0.000 description 10
- 230000004907 flux Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 239000002131 composite material Substances 0.000 description 5
- 239000007769 metal material Substances 0.000 description 5
- 238000005452 bending Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 239000006249 magnetic particle Substances 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000009659 non-destructive testing 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
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9013—Arrangements for scanning
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth 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 Magnetic Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58102273A JPS59226857A (ja) | 1983-06-07 | 1983-06-07 | 探傷装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58102273A JPS59226857A (ja) | 1983-06-07 | 1983-06-07 | 探傷装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59226857A JPS59226857A (ja) | 1984-12-20 |
| JPH0342629B2 true JPH0342629B2 (US08124317-20120228-C00060.png) | 1991-06-27 |
Family
ID=14322989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58102273A Granted JPS59226857A (ja) | 1983-06-07 | 1983-06-07 | 探傷装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59226857A (US08124317-20120228-C00060.png) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0740758B2 (ja) * | 1984-10-30 | 1995-05-01 | パイオニア株式会社 | 音響装置 |
| CN103926308B (zh) * | 2013-01-12 | 2018-08-07 | 合肥环博检测科技有限公司 | 综合传感器全覆盖旋转高速检测装置 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5870157A (ja) * | 1981-07-21 | 1983-04-26 | ヌ−ケン・ゲ−エムベ−ハ− | 強磁性体材料の非破壊検査方法および装置 |
-
1983
- 1983-06-07 JP JP58102273A patent/JPS59226857A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5870157A (ja) * | 1981-07-21 | 1983-04-26 | ヌ−ケン・ゲ−エムベ−ハ− | 強磁性体材料の非破壊検査方法および装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59226857A (ja) | 1984-12-20 |
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