GB2161938A - Probe for detection of surface defects in metal bodies at high temperatures - Google Patents
Probe for detection of surface defects in metal bodies at high temperatures Download PDFInfo
- Publication number
- GB2161938A GB2161938A GB08517563A GB8517563A GB2161938A GB 2161938 A GB2161938 A GB 2161938A GB 08517563 A GB08517563 A GB 08517563A GB 8517563 A GB8517563 A GB 8517563A GB 2161938 A GB2161938 A GB 2161938A
- Authority
- GB
- United Kingdom
- Prior art keywords
- probe
- sensor
- dielectric material
- sheets
- heat
- 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.)
- Withdrawn
Links
- 239000000523 sample Substances 0.000 title claims abstract description 39
- 239000002184 metal Substances 0.000 title claims abstract description 11
- 230000007547 defect Effects 0.000 title claims abstract description 9
- 238000001514 detection method Methods 0.000 title 1
- 239000003989 dielectric material Substances 0.000 claims abstract description 15
- 230000004907 flux Effects 0.000 claims abstract description 8
- 238000005259 measurement Methods 0.000 claims abstract description 7
- 230000001681 protective effect Effects 0.000 claims abstract description 7
- 238000009749 continuous casting Methods 0.000 claims abstract description 5
- 230000035945 sensitivity Effects 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims description 8
- 239000012809 cooling fluid Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 239000011819 refractory material Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims description 2
- 230000013011 mating Effects 0.000 claims description 2
- 239000010453 quartz Substances 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 229910000859 α-Fe Inorganic materials 0.000 claims description 2
- 239000002826 coolant Substances 0.000 abstract 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
- G01N27/9006—Details, e.g. in the structure or functioning of sensors
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT48558/84A IT1199159B (it) | 1984-07-13 | 1984-07-13 | Sonda per il controllo dei difetti superficiali di corpi metallici ad alta temperatura |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB8517563D0 GB8517563D0 (en) | 1985-08-14 |
| GB2161938A true GB2161938A (en) | 1986-01-22 |
Family
ID=11267310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB08517563A Withdrawn GB2161938A (en) | 1984-07-13 | 1985-07-11 | Probe for detection of surface defects in metal bodies at high temperatures |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | ATA199085A (enrdf_load_stackoverflow) |
| BE (1) | BE902862A (enrdf_load_stackoverflow) |
| DE (2) | DE3524167A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2567640B1 (enrdf_load_stackoverflow) |
| GB (1) | GB2161938A (enrdf_load_stackoverflow) |
| IT (1) | IT1199159B (enrdf_load_stackoverflow) |
| NL (1) | NL8501941A (enrdf_load_stackoverflow) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0241861A3 (en) * | 1986-04-16 | 1989-03-15 | Törnbloms Kvalitetskontroll Ab | Device for testing and/or measurement of hot objects |
| EP0468905A1 (fr) * | 1990-07-25 | 1992-01-29 | Vallourec Industries | Procédé et dispositif de contrôle de défauts de tubes métalliques en cours de laminage à chaud par courants de foucault |
| EP0324809B1 (de) * | 1987-06-27 | 1996-08-28 | Stiftung Institut Für Werkstofftechnik | Verfahren zur erfassung des randschichtzustandes von körpern |
| CN102445714A (zh) * | 2011-11-07 | 2012-05-09 | 天津市电视技术研究所 | 堵杆检测装置 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB717860A (en) * | 1952-02-20 | 1954-11-03 | Gen Electric Co Ltd | Improvements in or relating to apparatus including a photo-electric cell |
| GB1468852A (en) * | 1973-06-29 | 1977-03-30 | Siderurgie Fse Inst Rech | Method and device for eddy-current detection of a change in magnetic behaviour of a material |
| GB1479977A (en) * | 1974-10-15 | 1977-07-13 | British Steel Corp | Non-destructive testing apparatus |
| GB2054157A (en) * | 1979-05-18 | 1981-02-11 | Tokico Ltd | Electro-magnetic Detector |
| EP0045412A2 (de) * | 1980-07-31 | 1982-02-10 | Nukem GmbH | Vorrichtung zur Prüfung von Werkstoffen |
| EP0067668A2 (en) * | 1981-06-11 | 1982-12-22 | Nippon Steel Corporation | Apparatus for measuring a metal surface position |
| EP0078672A1 (en) * | 1981-10-29 | 1983-05-11 | LTV Steel Company, Inc. | Eddy current hot pipe flaw detection |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE628378A (enrdf_load_stackoverflow) * | 1962-02-23 | |||
| AT285209B (de) * | 1966-04-26 | 1970-10-27 | Voest Ag | Vorrichtung zum zerstörungsfreien Prüfen heißer Werkstücke mit Ultraschall |
| DE3110900A1 (de) * | 1981-03-20 | 1982-09-30 | Franz-Rudolf Dr. 5106 Roetgen Block | Verfahren zum messen der schalendicke bei erstarrenden metallen |
| DE3116378A1 (de) * | 1981-04-23 | 1982-11-25 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | "messkopf zur ermittlung von abstaenden zu objekten mit hoher oberflaechentemperatur" |
| DE3121331C2 (de) * | 1981-05-29 | 1986-03-06 | Institut Dr. Friedrich Förster Prüfgerätebau GmbH & Co KG, 7410 Reutlingen | Vorrichtung zum Abtasten einer Oberfläche eines heißen Prüfteiles |
| DE3139491A1 (de) * | 1981-09-29 | 1983-04-07 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Wirbelstrommesseinrichtung zur erkennung von oberflaechenfehlern |
| DE3142681A1 (de) * | 1981-10-24 | 1983-05-05 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Wirbelstrommesseinrichtung fuer stranggiessanlagen |
-
1984
- 1984-07-13 IT IT48558/84A patent/IT1199159B/it active
-
1985
- 1985-07-04 AT AT0199085A patent/ATA199085A/de not_active IP Right Cessation
- 1985-07-05 DE DE19853524167 patent/DE3524167A1/de active Granted
- 1985-07-05 DE DE8519599U patent/DE8519599U1/de not_active Expired
- 1985-07-05 NL NL8501941A patent/NL8501941A/nl not_active Application Discontinuation
- 1985-07-11 BE BE6/48111A patent/BE902862A/fr not_active IP Right Cessation
- 1985-07-11 GB GB08517563A patent/GB2161938A/en not_active Withdrawn
- 1985-07-11 FR FR858510631A patent/FR2567640B1/fr not_active Expired
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB717860A (en) * | 1952-02-20 | 1954-11-03 | Gen Electric Co Ltd | Improvements in or relating to apparatus including a photo-electric cell |
| GB1468852A (en) * | 1973-06-29 | 1977-03-30 | Siderurgie Fse Inst Rech | Method and device for eddy-current detection of a change in magnetic behaviour of a material |
| GB1479977A (en) * | 1974-10-15 | 1977-07-13 | British Steel Corp | Non-destructive testing apparatus |
| GB2054157A (en) * | 1979-05-18 | 1981-02-11 | Tokico Ltd | Electro-magnetic Detector |
| EP0045412A2 (de) * | 1980-07-31 | 1982-02-10 | Nukem GmbH | Vorrichtung zur Prüfung von Werkstoffen |
| EP0067668A2 (en) * | 1981-06-11 | 1982-12-22 | Nippon Steel Corporation | Apparatus for measuring a metal surface position |
| EP0078672A1 (en) * | 1981-10-29 | 1983-05-11 | LTV Steel Company, Inc. | Eddy current hot pipe flaw detection |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0241861A3 (en) * | 1986-04-16 | 1989-03-15 | Törnbloms Kvalitetskontroll Ab | Device for testing and/or measurement of hot objects |
| EP0324809B1 (de) * | 1987-06-27 | 1996-08-28 | Stiftung Institut Für Werkstofftechnik | Verfahren zur erfassung des randschichtzustandes von körpern |
| EP0468905A1 (fr) * | 1990-07-25 | 1992-01-29 | Vallourec Industries | Procédé et dispositif de contrôle de défauts de tubes métalliques en cours de laminage à chaud par courants de foucault |
| FR2665263A1 (fr) * | 1990-07-25 | 1992-01-31 | Vallourec Ind | Procede et dispositif de controle de defauts de tubes metalliques en cours de laminage a chaud par courants de foucault. |
| CN102445714A (zh) * | 2011-11-07 | 2012-05-09 | 天津市电视技术研究所 | 堵杆检测装置 |
| CN102445714B (zh) * | 2011-11-07 | 2013-06-05 | 天津市电视技术研究所 | 堵杆检测装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1199159B (it) | 1988-12-30 |
| NL8501941A (nl) | 1986-02-03 |
| GB8517563D0 (en) | 1985-08-14 |
| DE3524167A1 (de) | 1986-01-16 |
| DE3524167C2 (enrdf_load_stackoverflow) | 1990-04-26 |
| FR2567640B1 (fr) | 1989-05-05 |
| IT8448558A0 (it) | 1984-07-13 |
| DE8519599U1 (de) | 1988-01-07 |
| BE902862A (fr) | 1985-11-04 |
| FR2567640A1 (fr) | 1986-01-17 |
| ATA199085A (de) | 1993-08-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |