BE445431A - - Google Patents
Info
- Publication number
- BE445431A BE445431A BE445431DA BE445431A BE 445431 A BE445431 A BE 445431A BE 445431D A BE445431D A BE 445431DA BE 445431 A BE445431 A BE 445431A
- Authority
- BE
- Belgium
- Prior art keywords
- sound
- pulses
- pulse
- receiver
- emi
- Prior art date
Links
- 238000012360 testing method Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 10
- 230000000737 periodic effect Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 4
- 230000010363 phase shift Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 description 10
- 230000010355 oscillation Effects 0.000 description 8
- 239000003990 capacitor Substances 0.000 description 4
- 230000002950 deficient Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004154 testing of material Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
- G01N29/04—Analysing solids
- G01N29/07—Analysing solids by measuring propagation velocity or propagation time of acoustic 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
- G01N2291/048—Transmission, i.e. analysed material between transmitter and receiver
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (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 Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE881644X | 1940-12-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE445431A true BE445431A (enExample) |
Family
ID=6831344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE445431D BE445431A (enExample) | 1940-12-11 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE445431A (enExample) |
| FR (1) | FR881644A (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2667063A (en) * | 1946-01-08 | 1954-01-26 | Jr Frederic Cunningham | Supersonic inspection device |
| US2949772A (en) * | 1954-12-10 | 1960-08-23 | Kritz Jack | Flowmeter |
| US2889705A (en) * | 1954-12-24 | 1959-06-09 | Gen Motors Corp | Material thickness and deflect testing device |
| US2984097A (en) * | 1956-09-11 | 1961-05-16 | Merck & Co Inc | Gas measuring apparatus |
| US3302453A (en) * | 1963-04-15 | 1967-02-07 | American Mach & Foundry | Method of inspection utilizing ultrasonic energy |
-
0
- BE BE445431D patent/BE445431A/fr unknown
-
1942
- 1942-04-30 FR FR881644D patent/FR881644A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR881644A (fr) | 1943-04-30 |
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