ZA919400B - Detection device for detecting longitudinal cracks on slabs, especially on steel slabs. - Google Patents

Detection device for detecting longitudinal cracks on slabs, especially on steel slabs.

Info

Publication number
ZA919400B
ZA919400B ZA919400A ZA919400A ZA919400B ZA 919400 B ZA919400 B ZA 919400B ZA 919400 A ZA919400 A ZA 919400A ZA 919400 A ZA919400 A ZA 919400A ZA 919400 B ZA919400 B ZA 919400B
Authority
ZA
South Africa
Prior art keywords
slabs
pct
slab
longitudinal cracks
detecting longitudinal
Prior art date
Application number
ZA919400A
Other languages
English (en)
Inventor
Claude Antoine
Martine Depeyris
Original Assignee
Lorraine Laminage
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Lorraine Laminage filed Critical Lorraine Laminage
Publication of ZA919400B publication Critical patent/ZA919400B/xx

Links

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
    • G01N27/902—Arrangements for scanning by moving the sensors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Electrochemistry (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Investigating And Analyzing Materials By Characteristic Methods (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
ZA919400A 1990-11-29 1991-11-28 Detection device for detecting longitudinal cracks on slabs, especially on steel slabs. ZA919400B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9014953A FR2669843B1 (fr) 1990-11-29 1990-11-29 Dispositif de detection des criques longitudinales sur des brames, notamment sur des brames d'acier.

Publications (1)

Publication Number Publication Date
ZA919400B true ZA919400B (en) 1993-05-28

Family

ID=9402730

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA919400A ZA919400B (en) 1990-11-29 1991-11-28 Detection device for detecting longitudinal cracks on slabs, especially on steel slabs.

Country Status (10)

Country Link
US (1) US5451872A (xx)
EP (1) EP0559799B1 (xx)
AT (1) ATE106563T1 (xx)
CA (1) CA2097082C (xx)
DE (1) DE69102286T2 (xx)
DK (1) DK0559799T3 (xx)
ES (1) ES2056707T3 (xx)
FR (1) FR2669843B1 (xx)
WO (1) WO1992009887A1 (xx)
ZA (1) ZA919400B (xx)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4330909C1 (de) * 1993-09-11 1994-10-20 Bbc Reaktor Gmbh Wirbelstromprüfsonde zum Einfahren in einen Spalt
CN1115214C (zh) * 1999-06-29 2003-07-23 宝山钢铁股份有限公司 连铸坯表面及近表面裂纹检出方法及装置
TW501505U (en) * 2001-10-12 2002-09-01 Che Central Mint Of China Breakdown alarming apparatus for casting workpiece
US20060052304A1 (en) * 2004-09-02 2006-03-09 Bas Medical, Inc. Method for remodeling bone and related sutures
US7214941B2 (en) * 2004-12-16 2007-05-08 The Gillette Company Crack detection in razor blades
US8903680B2 (en) * 2010-12-10 2014-12-02 The Boeing Company Apparatus and method for evaluating layers in a multi-layer structure
CN103128268B (zh) * 2013-01-17 2015-10-14 中国科学院金属研究所 用于大型特厚板坯的中低温打箱的方法
US11112382B2 (en) * 2018-03-21 2021-09-07 Infrastructure Preservation Corporation Robotic magnetic flux inspection system for bridge wire rope suspender cables
US20220260529A1 (en) * 2019-03-21 2022-08-18 Infrastructure Preservation Corporation Robotic magnetic flux inspection system for broadcast tower support cables
CN112255243B (zh) * 2020-10-26 2022-10-21 江苏永钢集团有限公司 一种连铸方坯成品表面质量便携式检测装置和检测方法
CN114252504A (zh) * 2021-12-20 2022-03-29 马鞍山钢铁股份有限公司 一种连铸板坯角部裂纹在线快速检测方法及检测装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2537731A (en) * 1945-03-17 1951-01-09 Charles H Angell Device for gauging magnetic materials
AT382458B (de) * 1982-02-11 1987-02-25 Voest Alpine Ag Verfahren zur oberflaechenpruefung von ueber dem curie-punkt heissem stahlgut sowie einrichtung zur durchfuehrung des verfahrens
DE3221159A1 (de) * 1982-06-04 1983-12-08 Sidco S.A., 1205 Genève Wirbelstrompruefvorrichtung fuer bauteile
DE3532654A1 (de) * 1985-09-13 1987-03-26 Thyssen Industrie Oberflaechenpruefeinrichtung mit konturnachform-fuehrungssystem
EP0390009A1 (en) * 1989-03-29 1990-10-03 Asea Brown Boveri Ab Manipulator for transducers (Detectors)

Also Published As

Publication number Publication date
FR2669843A1 (fr) 1992-06-05
US5451872A (en) 1995-09-19
FR2669843B1 (fr) 1995-01-20
ATE106563T1 (de) 1994-06-15
DE69102286T2 (de) 1994-11-17
CA2097082C (fr) 2002-11-05
ES2056707T3 (es) 1994-10-01
WO1992009887A1 (fr) 1992-06-11
EP0559799A1 (fr) 1993-09-15
DE69102286D1 (de) 1994-07-07
EP0559799B1 (fr) 1994-06-01
CA2097082A1 (fr) 1992-05-30
DK0559799T3 (da) 1994-09-26

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