JPS6314907B2 - - Google Patents
Info
- Publication number
- JPS6314907B2 JPS6314907B2 JP56092224A JP9222481A JPS6314907B2 JP S6314907 B2 JPS6314907 B2 JP S6314907B2 JP 56092224 A JP56092224 A JP 56092224A JP 9222481 A JP9222481 A JP 9222481A JP S6314907 B2 JPS6314907 B2 JP S6314907B2
- Authority
- JP
- Japan
- Prior art keywords
- detection
- temperature
- signal
- metal material
- output
- 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
- 238000001514 detection method Methods 0.000 claims description 110
- 239000007769 metal material Substances 0.000 claims description 27
- 238000004364 calculation method Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000005284 excitation Effects 0.000 description 14
- 230000006870 function Effects 0.000 description 12
- 239000002436 steel type Substances 0.000 description 11
- 230000008859 change Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 5
- 230000035699 permeability Effects 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004439 roughness measurement Methods 0.000 description 1
- 238000003860 storage 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
- G01N27/9046—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 by analysing electrical signals
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 |
|---|---|---|---|
| JP56092224A JPS57207858A (en) | 1981-06-17 | 1981-06-17 | Hot flaw detecting method of metallic material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56092224A JPS57207858A (en) | 1981-06-17 | 1981-06-17 | Hot flaw detecting method of metallic material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57207858A JPS57207858A (en) | 1982-12-20 |
| JPS6314907B2 true JPS6314907B2 (sv) | 1988-04-02 |
Family
ID=14048463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56092224A Granted JPS57207858A (en) | 1981-06-17 | 1981-06-17 | Hot flaw detecting method of metallic material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57207858A (sv) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10229735A1 (de) * | 2002-07-02 | 2004-01-22 | rinas Gerätetechnik GmbH | Verfahren zum Erkennen und Lokalisieren von Materialfehlern |
| JP6374751B2 (ja) * | 2014-10-02 | 2018-08-15 | アンリツインフィビス株式会社 | 金属検出機 |
| JP7269141B2 (ja) * | 2019-09-11 | 2023-05-08 | 株式会社テイエルブイ | プローブ |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52104286A (en) * | 1976-02-27 | 1977-09-01 | Mitsubishi Heavy Ind Ltd | Eddy current inspection method |
-
1981
- 1981-06-17 JP JP56092224A patent/JPS57207858A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52104286A (en) * | 1976-02-27 | 1977-09-01 | Mitsubishi Heavy Ind Ltd | Eddy current inspection method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57207858A (en) | 1982-12-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10144987B2 (en) | Sensors | |
| JP4809039B2 (ja) | 電磁誘導型検査装置および電磁誘導型検査方法 | |
| JP4998821B2 (ja) | 渦流検査方法及び該渦流検査方法を実施するための渦流検査装置 | |
| EP2963415A1 (en) | Apparatus and circuit for an alternatig current field measurement | |
| Bae et al. | A study on development of inductive sensor for automatic weld seam tracking | |
| JPS6314907B2 (sv) | ||
| WO2003034054A2 (en) | Method and apparatus for measuring material properties and lift-off components of an object using a magnetic probe | |
| US4864235A (en) | Phase-selective monitoring via vector transformation | |
| US6686735B2 (en) | Method and device for the in situ detection of the degree of conversion of a non-magnetic phase in a ferromagnetic phase of a metallic work piece | |
| JP4835212B2 (ja) | 渦流探傷方法及び渦流探傷装置 | |
| JP2006284191A (ja) | 渦流式センサによる表面欠陥検出方法 | |
| JP2004309355A (ja) | 鋼材の焼入れ深さ測定装置 | |
| JP4559436B2 (ja) | 厚さ及び電気伝導度の電磁気学的測定ための方法及びデバイス | |
| JP2008102073A (ja) | 電磁気特性測定方法および装置 | |
| JP4863921B2 (ja) | 金属検出機 | |
| Grimberg et al. | Eddy current sensor for non-destructive evaluation of metallic wires, bars and pipes | |
| JPH06213872A (ja) | 鋼板の結晶粒径測定方法 | |
| JP2007121125A (ja) | 電流検出装置および静電容量測定装置 | |
| JPS6314904B2 (sv) | ||
| JPS62174651A (ja) | 磁性体の硬度判別方法およびその装置 | |
| JPS6093325A (ja) | 温度検出装置 | |
| RU2411517C1 (ru) | Цифровой вихретоковый дефектоскоп | |
| JP4835417B2 (ja) | 電力制御方法および電力制御装置 | |
| JPH0495802A (ja) | 渦電流を利用して変位を測る方法および装置 | |
| SU868554A1 (ru) | Способ неразрушающего контрол и устройство дл его осуществлени |