BE882938Q - Appareil a detecter les defauts de surface en particulier sur semi produits siderurgiques - Google Patents
Appareil a detecter les defauts de surface en particulier sur semi produits siderurgiquesInfo
- Publication number
- BE882938Q BE882938Q BE6/47142A BE6047142A BE882938Q BE 882938 Q BE882938 Q BE 882938Q BE 6/47142 A BE6/47142 A BE 6/47142A BE 6047142 A BE6047142 A BE 6047142A BE 882938 Q BE882938 Q BE 882938Q
- Authority
- BE
- Belgium
- Prior art keywords
- surface defects
- steel products
- detecting surface
- semi steel
- semi
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
-
- 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
- G01N27/904—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 with two or more sensors
-
- 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
-
- 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
- G01N27/9093—Arrangements for supporting the sensor; Combinations of eddy-current sensors and auxiliary arrangements for marking or for rejecting
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)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7715002A FR2390729A1 (fr) | 1977-05-10 | 1977-05-10 | Appareil a detecter les defauts de surface en particulier sur semi-produits siderurgiques |
Publications (1)
Publication Number | Publication Date |
---|---|
BE882938Q true BE882938Q (fr) | 1980-08-18 |
Family
ID=9190880
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE6/47142A BE882938Q (fr) | 1977-05-10 | 1980-04-23 | Appareil a detecter les defauts de surface en particulier sur semi produits siderurgiques |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE882938Q (fr) |
FR (1) | FR2390729A1 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3112991C2 (de) * | 1981-04-01 | 1985-12-12 | Hoesch Ag, 4600 Dortmund | Rundschleifmaschine zum kontrollierten Abschleifen von Rissen an Walzen |
WO1983003994A1 (fr) * | 1982-05-10 | 1983-11-24 | Caterpillar Tractor Co. | Procede et dispositif d'usinage par abrasion d'une piece a usiner |
FR2540246A1 (fr) * | 1983-01-28 | 1984-08-03 | Solmer | Dispositif pour detecter des criques sur les brames d'acier sortant d'une coulee continue |
GB201413566D0 (en) * | 2014-07-31 | 2014-09-17 | V Viz Ltd | System for non-destructive detection of internal defects |
US20240151627A1 (en) * | 2022-11-09 | 2024-05-09 | The Boeing Company | Porosity detection for composite materials using inductive resonance |
-
1977
- 1977-05-10 FR FR7715002A patent/FR2390729A1/fr active Granted
-
1980
- 1980-04-23 BE BE6/47142A patent/BE882938Q/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2390729A1 (fr) | 1978-12-08 |
FR2390729B1 (fr) | 1980-03-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: DE DIETRICH & CIE Effective date: 19840423 |