JPS6248191B2 - - Google Patents
Info
- Publication number
- JPS6248191B2 JPS6248191B2 JP56072820A JP7282081A JPS6248191B2 JP S6248191 B2 JPS6248191 B2 JP S6248191B2 JP 56072820 A JP56072820 A JP 56072820A JP 7282081 A JP7282081 A JP 7282081A JP S6248191 B2 JPS6248191 B2 JP S6248191B2
- Authority
- JP
- Japan
- Prior art keywords
- cast iron
- flaw detection
- scale
- iron pipe
- eddy current
- 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 34
- 229910001018 Cast iron Inorganic materials 0.000 claims description 24
- 229920006395 saturated elastomer Polymers 0.000 claims description 5
- 230000005284 excitation Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 230000005415 magnetization Effects 0.000 description 7
- 238000005259 measurement Methods 0.000 description 7
- 230000006698 induction Effects 0.000 description 5
- 238000005422 blasting Methods 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000002950 deficient Effects 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
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 |
---|---|---|---|
JP56072820A JPS57187651A (en) | 1981-05-13 | 1981-05-13 | Flaw detection of cast iron tube |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56072820A JPS57187651A (en) | 1981-05-13 | 1981-05-13 | Flaw detection of cast iron tube |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57187651A JPS57187651A (en) | 1982-11-18 |
JPS6248191B2 true JPS6248191B2 (de) | 1987-10-13 |
Family
ID=13500427
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56072820A Granted JPS57187651A (en) | 1981-05-13 | 1981-05-13 | Flaw detection of cast iron tube |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57187651A (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01166489U (de) * | 1988-05-09 | 1989-11-21 | ||
JPH01180194U (de) * | 1988-06-04 | 1989-12-25 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61104250A (ja) * | 1984-10-26 | 1986-05-22 | Kawasaki Steel Corp | 熱間渦流探傷装置 |
FR2597603B1 (fr) * | 1986-04-22 | 1990-04-20 | Bruss Polt I | Dispositif d'aimantation pour controle magnetographique |
-
1981
- 1981-05-13 JP JP56072820A patent/JPS57187651A/ja active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01166489U (de) * | 1988-05-09 | 1989-11-21 | ||
JPH01180194U (de) * | 1988-06-04 | 1989-12-25 |
Also Published As
Publication number | Publication date |
---|---|
JPS57187651A (en) | 1982-11-18 |
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