ZA825159B - Non-destructive testing of ferromagnetic materials - Google Patents
Non-destructive testing of ferromagnetic materialsInfo
- Publication number
- ZA825159B ZA825159B ZA825159A ZA825159A ZA825159B ZA 825159 B ZA825159 B ZA 825159B ZA 825159 A ZA825159 A ZA 825159A ZA 825159 A ZA825159 A ZA 825159A ZA 825159 B ZA825159 B ZA 825159B
- Authority
- ZA
- South Africa
- Prior art keywords
- destructive testing
- ferromagnetic materials
- ferromagnetic
- destructive
- materials
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/24—Probes
- G01N29/2412—Probes using the magnetostrictive properties of the material to be examined, e.g. electromagnetic acoustic transducers [EMAT]
-
- 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
- G01N27/83—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/02854—Length, thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/04—Wave modes and trajectories
- G01N2291/042—Wave modes
- G01N2291/0422—Shear waves, transverse waves, horizontally polarised waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/04—Wave modes and trajectories
- G01N2291/042—Wave modes
- G01N2291/0423—Surface waves, e.g. Rayleigh waves, Love waves
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3128825A DE3128825C2 (en) | 1981-07-21 | 1981-07-21 | Device for the non-destructive testing of ferromagnetic materials |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA825159B true ZA825159B (en) | 1983-05-25 |
Family
ID=6137399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA825159A ZA825159B (en) | 1981-07-21 | 1982-07-20 | Non-destructive testing of ferromagnetic materials |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0071147B1 (en) |
JP (1) | JPS5870157A (en) |
CA (1) | CA1195385A (en) |
DE (1) | DE3128825C2 (en) |
ZA (1) | ZA825159B (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4449411A (en) * | 1982-04-22 | 1984-05-22 | Magnetic Analysis Corporation | Magnetic and ultrasonic objects testing apparatus |
JPS59226857A (en) * | 1983-06-07 | 1984-12-20 | Sumitomo Metal Ind Ltd | Flaw detector |
US4492115A (en) * | 1984-04-11 | 1985-01-08 | Pa Incorporated | Method and apparatus for measuring defects in ferromagnetic tubing |
DE3515977A1 (en) * | 1985-05-03 | 1986-11-06 | Nukem Gmbh, 6450 Hanau | METHOD AND DEVICE FOR DESTRUCTION-FREE TESTING OF FERROMAGNETIC BODIES |
DE3530525C2 (en) * | 1985-08-27 | 1994-05-11 | Foerster Inst Dr Friedrich | Device for non-destructive material testing |
JPH01134253U (en) * | 1988-03-09 | 1989-09-13 | ||
FR2665768B1 (en) * | 1990-08-07 | 1993-08-13 | Nukem Gmbh | NON-DESTRUCTIVE TEST INSTALLATION OF MATERIAL, PARTICULARLY OF CYLINDRICAL PARTS, SLEEVE TUBES AND THE LIKE. |
DE9011477U1 (en) * | 1990-08-07 | 1990-12-20 | Nukem Gmbh, 8755 Alzenau, De | |
DE9011478U1 (en) * | 1990-08-07 | 1990-12-20 | Nukem Gmbh, 8755 Alzenau, De | |
DE4116208A1 (en) * | 1991-05-17 | 1992-11-19 | Karlheinz Dr Ing Schiebold | Non-destructive testing of material at structural parts of cast iron@ - using ultrasonic speed and magnetic coercivity field strength measurement with condition that speed is determined during magnetisation of workpiece |
DE4301622C1 (en) * | 1993-01-22 | 1994-02-24 | Fraunhofer Ges Forschung | Ultrasonic appts., for metal structure determn. - has two ultrasonic transducers, useful in quality control of hot extruded powder metallurgical alloy |
DE4328712A1 (en) * | 1993-08-26 | 1995-03-02 | Foerster Inst Dr Friedrich | Method and device for testing elongated objects, optionally with cross-section deviating from circularity |
DE19543481C2 (en) * | 1995-11-22 | 1997-10-23 | Pipetronix Gmbh | Device for testing ferromagnetic materials |
DE102005060582A1 (en) * | 2005-12-17 | 2007-07-05 | Ndt Systems & Services Ag | Method and system for nondestructive testing of a metallic workpiece |
CN103225876B (en) * | 2013-05-13 | 2015-09-09 | 山东大学 | Self-heating plumbing fixture |
GB201318096D0 (en) * | 2013-10-14 | 2013-11-27 | Advanced Eng Solutions Ltd | Pipeline condition detecting apparatus and method |
DE102013018114A1 (en) * | 2013-11-28 | 2015-05-28 | Otto Alfred Barbian | Device for nondestructive testing of a test specimen |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3237446A (en) | 1964-04-24 | 1966-03-01 | American Mach & Foundry | Selective defect detection and thickness measuring method and apparatus |
DE1938107C3 (en) * | 1969-07-26 | 1979-09-06 | Werkstoffpruefgeraetebau Dipl.-Ing. Walter Kaule Gmbh, 5074 Heidberg | Leakage flux test method for magnetizable material |
DE2211133C3 (en) * | 1972-03-08 | 1975-12-18 | Friedrich Dr.Phil. 7410 Reutlingen Foerster | Arrangement for examining a magnetized pipe |
US3854085A (en) * | 1973-06-07 | 1974-12-10 | Magnetics Analysis Corp | Multi-probe flux leakage testing apparatus producing bipolar signals from the largest simultaneously occurring signals of each polarity |
DE2621684C3 (en) * | 1976-05-15 | 1979-07-12 | Hoesch Werke Ag, 4600 Dortmund | Electrodynamic sound transducer |
DE2652085A1 (en) * | 1976-11-16 | 1978-05-18 | Hoesch Werke Ag | DEVICE FOR NON-DESTRUCTIVE MATERIAL TESTING |
IE47295B1 (en) * | 1977-10-20 | 1984-02-08 | Ti Group Services Ltd | Ultrasonic testing |
US4184374A (en) * | 1978-06-22 | 1980-01-22 | Rockwell International Corporation | Ultrasonic inspection of a cylindrical object |
JPS55129749A (en) * | 1979-03-28 | 1980-10-07 | Sumitomo Metal Ind Ltd | Sensitivity correction method for electromagnetic ultrasonic wave probe |
-
1981
- 1981-07-21 DE DE3128825A patent/DE3128825C2/en not_active Expired
-
1982
- 1982-07-19 EP EP82106490A patent/EP0071147B1/en not_active Expired
- 1982-07-20 ZA ZA825159A patent/ZA825159B/en unknown
- 1982-07-20 CA CA000407616A patent/CA1195385A/en not_active Expired
- 1982-07-21 JP JP57127437A patent/JPS5870157A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
CA1195385A (en) | 1985-10-15 |
EP0071147B1 (en) | 1985-04-03 |
EP0071147A1 (en) | 1983-02-09 |
DE3128825A1 (en) | 1983-03-17 |
DE3128825C2 (en) | 1985-04-18 |
JPS5870157A (en) | 1983-04-26 |
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