JPS62450B2 - - Google Patents
Info
- Publication number
- JPS62450B2 JPS62450B2 JP53086152A JP8615278A JPS62450B2 JP S62450 B2 JPS62450 B2 JP S62450B2 JP 53086152 A JP53086152 A JP 53086152A JP 8615278 A JP8615278 A JP 8615278A JP S62450 B2 JPS62450 B2 JP S62450B2
- Authority
- JP
- Japan
- Prior art keywords
- tube
- metal tube
- inspected
- laser
- flaw detection
- 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 41
- 239000000523 sample Substances 0.000 claims description 21
- 239000002184 metal Substances 0.000 claims description 18
- 230000005855 radiation Effects 0.000 claims description 12
- 230000010355 oscillation Effects 0.000 claims description 8
- 230000007547 defect Effects 0.000 description 15
- 238000001816 cooling Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000007689 inspection Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000005096 rolling process Methods 0.000 description 5
- 230000002950 deficient Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003909 pattern recognition Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000011179 visual inspection Methods 0.000 description 2
- YBNMDCCMCLUHBL-UHFFFAOYSA-N (2,5-dioxopyrrolidin-1-yl) 4-pyren-1-ylbutanoate Chemical compound C=1C=C(C2=C34)C=CC3=CC=CC4=CC=C2C=1CCCC(=O)ON1C(=O)CCC1=O YBNMDCCMCLUHBL-UHFFFAOYSA-N 0.000 description 1
- 229910000673 Indium arsenide Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- RPQDHPTXJYYUPQ-UHFFFAOYSA-N indium arsenide Chemical compound [In]#[As] RPQDHPTXJYYUPQ-UHFFFAOYSA-N 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/954—Inspecting the inner surface of hollow bodies, e.g. bores
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8615278A JPS5513853A (en) | 1978-07-17 | 1978-07-17 | Flaw detector for inner surface of metal pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8615278A JPS5513853A (en) | 1978-07-17 | 1978-07-17 | Flaw detector for inner surface of metal pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5513853A JPS5513853A (en) | 1980-01-31 |
| JPS62450B2 true JPS62450B2 (zh) | 1987-01-08 |
Family
ID=13878758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8615278A Granted JPS5513853A (en) | 1978-07-17 | 1978-07-17 | Flaw detector for inner surface of metal pipe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5513853A (zh) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5764659U (zh) * | 1980-09-19 | 1982-04-17 | ||
| JPS5764658U (zh) * | 1980-09-19 | 1982-04-17 | ||
| FR2602052B1 (fr) * | 1986-07-22 | 1990-07-13 | Thome Paul | Controle infrarouge de tubes par l'interieur |
| JPH01129647U (zh) * | 1988-02-18 | 1989-09-04 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5091380A (zh) * | 1973-12-12 | 1975-07-22 | ||
| JPS50158387A (zh) * | 1974-06-10 | 1975-12-22 |
-
1978
- 1978-07-17 JP JP8615278A patent/JPS5513853A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5091380A (zh) * | 1973-12-12 | 1975-07-22 | ||
| JPS50158387A (zh) * | 1974-06-10 | 1975-12-22 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5513853A (en) | 1980-01-31 |
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