DE3217530C2 - - Google Patents
Info
- Publication number
- DE3217530C2 DE3217530C2 DE19823217530 DE3217530A DE3217530C2 DE 3217530 C2 DE3217530 C2 DE 3217530C2 DE 19823217530 DE19823217530 DE 19823217530 DE 3217530 A DE3217530 A DE 3217530A DE 3217530 C2 DE3217530 C2 DE 3217530C2
- Authority
- DE
- Germany
- Prior art keywords
- load
- error
- unit
- pulse
- pulses
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 claims description 17
- 238000001093 holography Methods 0.000 claims description 14
- 230000007547 defect Effects 0.000 claims description 13
- 238000002604 ultrasonography Methods 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000011156 evaluation Methods 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims description 3
- 239000000523 sample Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 9
- 230000008859 change Effects 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 230000005534 acoustic noise Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005305 interferometry Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000527 sonication Methods 0.000 description 2
- 238000004154 testing of material Methods 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 238000012937 correction 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
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 230000004304 visual acuity Effects 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
- G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
- G01N29/0654—Imaging
- G01N29/0663—Imaging by acoustic holography
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
- G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
- G01S15/8965—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using acousto-optical or acousto-electronic conversion techniques
- G01S15/897—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using acousto-optical or acousto-electronic conversion techniques using application of holographic techniques
-
- 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
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Computer Networks & Wireless Communication (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19823217530 DE3217530A1 (de) | 1982-05-10 | 1982-05-10 | Verfahren und vorrichtung zum erfassen von fehlern im inneren von koerpern, insbesondere bauteilen, mit hilfe der akustischen holographie |
| US06/492,414 US4531410A (en) | 1982-05-10 | 1983-05-06 | Method of and apparatus for detecting flaws inside articles, more particularly structural components, by means of acoustic holography |
| GB08312696A GB2129936B (en) | 1982-05-10 | 1983-05-09 | Method of and apparatus for detecting an internal flaw in an article |
| FR8307756A FR2526546B1 (fr) | 1982-05-10 | 1983-05-10 | Procede et dispositif pour la saisie de defauts a l'interieur de corps, et notamment de composants, par holographie acoustique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19823217530 DE3217530A1 (de) | 1982-05-10 | 1982-05-10 | Verfahren und vorrichtung zum erfassen von fehlern im inneren von koerpern, insbesondere bauteilen, mit hilfe der akustischen holographie |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3217530A1 DE3217530A1 (de) | 1984-02-23 |
| DE3217530C2 true DE3217530C2 (enrdf_load_stackoverflow) | 1992-03-05 |
Family
ID=6163198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19823217530 Granted DE3217530A1 (de) | 1982-05-10 | 1982-05-10 | Verfahren und vorrichtung zum erfassen von fehlern im inneren von koerpern, insbesondere bauteilen, mit hilfe der akustischen holographie |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE3217530A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2526546B1 (enrdf_load_stackoverflow) |
| GB (1) | GB2129936B (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865789B (zh) * | 2010-06-30 | 2012-03-21 | 上海交通大学 | 近场声全息声像模式识别故障检测装置及其检测方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3631711A (en) * | 1968-01-02 | 1972-01-04 | Perkin Elmer Corp | Comparing position and configuration of an object with a standard |
| US4179936A (en) * | 1977-05-17 | 1979-12-25 | National Research Development Corporation | Acoustic image recorders |
| GB2000291B (en) * | 1977-06-22 | 1982-02-03 | Hitachi Ltd | Digital type ultrasonic holography apparatus |
| JPS55120071A (en) * | 1979-03-12 | 1980-09-16 | Hitachi Ltd | Ultrasonic holography apparatus |
-
1982
- 1982-05-10 DE DE19823217530 patent/DE3217530A1/de active Granted
-
1983
- 1983-05-09 GB GB08312696A patent/GB2129936B/en not_active Expired
- 1983-05-10 FR FR8307756A patent/FR2526546B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE3217530A1 (de) | 1984-02-23 |
| FR2526546A1 (fr) | 1983-11-10 |
| GB2129936A (en) | 1984-05-23 |
| GB2129936B (en) | 1985-12-24 |
| GB8312696D0 (en) | 1983-06-15 |
| FR2526546B1 (fr) | 1988-10-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
| 8127 | New person/name/address of the applicant |
Owner name: CROSTACK, HORST-ARTUR, PROF. DR.-ING., 5860 ISERLO |
|
| 8110 | Request for examination paragraph 44 | ||
| 8181 | Inventor (new situation) |
Free format text: ERFINDER IST ANMELDER |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |