DE1648373B2 - Wirbelstrommaterialpruefeinrichtung - Google Patents
WirbelstrommaterialpruefeinrichtungInfo
- Publication number
- DE1648373B2 DE1648373B2 DE1967B0093580 DEB0093580A DE1648373B2 DE 1648373 B2 DE1648373 B2 DE 1648373B2 DE 1967B0093580 DE1967B0093580 DE 1967B0093580 DE B0093580 A DEB0093580 A DE B0093580A DE 1648373 B2 DE1648373 B2 DE 1648373B2
- Authority
- DE
- Germany
- Prior art keywords
- circuit
- signal
- bridge
- signals
- signal processing
- 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.)
- Granted
Links
- 238000012360 testing method Methods 0.000 title description 25
- 238000012545 processing Methods 0.000 claims description 20
- 238000004154 testing of material Methods 0.000 claims description 12
- 230000007547 defect Effects 0.000 claims description 7
- 238000011156 evaluation Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 230000001960 triggered effect Effects 0.000 description 9
- 238000001514 detection method Methods 0.000 description 4
- 230000003111 delayed effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 241000349731 Afzelia bipindensis Species 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002996 emotional effect Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 210000000278 spinal cord Anatomy 0.000 description 1
- 239000000126 substance Substances 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
- 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
- G01N27/9006—Details, e.g. in the structure or functioning of sensors
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US57660666A | 1966-09-01 | 1966-09-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE1648373A1 DE1648373A1 (de) | 1971-04-08 |
| DE1648373B2 true DE1648373B2 (de) | 1976-08-26 |
Family
ID=24305147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1967B0093580 Granted DE1648373B2 (de) | 1966-09-01 | 1967-07-20 | Wirbelstrommaterialpruefeinrichtung |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE1648373B2 (enrdf_load_stackoverflow) |
| GB (1) | GB1187485A (enrdf_load_stackoverflow) |
| SE (1) | SE311771B (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2195021B1 (enrdf_load_stackoverflow) * | 1972-08-03 | 1976-01-23 | Commissariat A En Atomique Fr |
-
1967
- 1967-06-19 SE SE867367A patent/SE311771B/xx unknown
- 1967-07-20 DE DE1967B0093580 patent/DE1648373B2/de active Granted
- 1967-07-26 GB GB3442667A patent/GB1187485A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE311771B (enrdf_load_stackoverflow) | 1969-06-23 |
| GB1187485A (en) | 1970-04-08 |
| DE1648373A1 (de) | 1971-04-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| EHJ | Ceased/non-payment of the annual fee |