CA1079392A - Method and apparatus for the real-time evaluation of welds by emitted stress waves - Google Patents
Method and apparatus for the real-time evaluation of welds by emitted stress wavesInfo
- Publication number
- CA1079392A CA1079392A CA254,324A CA254324A CA1079392A CA 1079392 A CA1079392 A CA 1079392A CA 254324 A CA254324 A CA 254324A CA 1079392 A CA1079392 A CA 1079392A
- Authority
- CA
- Canada
- Prior art keywords
- weld
- phase transformation
- signal
- stress
- solid
- 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
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000011156 evaluation Methods 0.000 title claims abstract description 13
- 230000009466 transformation Effects 0.000 claims abstract description 58
- 239000007790 solid phase Substances 0.000 claims abstract description 24
- 239000007791 liquid phase Substances 0.000 claims abstract description 20
- 238000012545 processing Methods 0.000 claims description 11
- 230000001066 destructive effect Effects 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 239000012071 phase Substances 0.000 claims description 6
- 230000001902 propagating effect Effects 0.000 claims description 5
- 230000004044 response Effects 0.000 claims description 4
- 238000000844 transformation Methods 0.000 claims description 3
- 238000005336 cracking Methods 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241000183024 Populus tremula Species 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000000007 visual effect 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
- G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
- G01N29/341—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with time characteristics
- G01N29/343—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with time characteristics pulse waves, e.g. particular sequence of pulses, bursts
-
- 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
- G01N29/22—Details, e.g. general constructional or apparatus details
-
- 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
- G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
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 Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/592,437 US3965726A (en) | 1975-07-02 | 1975-07-02 | Method and apparatus for the real-time evaluation of welds by emitted stress waves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1079392A true CA1079392A (en) | 1980-06-10 |
Family
ID=24370643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA254,324A Expired CA1079392A (en) | 1975-07-02 | 1976-06-08 | Method and apparatus for the real-time evaluation of welds by emitted stress waves |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS528887A (enExample) |
| CA (1) | CA1079392A (enExample) |
| ES (1) | ES449509A1 (enExample) |
| GB (1) | GB1545241A (enExample) |
| IT (1) | IT1071223B (enExample) |
| SE (1) | SE409762B (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62133351A (ja) * | 1985-12-05 | 1987-06-16 | Nippon Steel Corp | 電縫管溶接部の溶接欠陥検出方法 |
| JPH0689484B2 (ja) * | 1987-10-28 | 1994-11-09 | 株式会社クラレ | 溶融紡糸法 |
| CN114813356B (zh) * | 2022-07-01 | 2022-09-23 | 江铃汽车股份有限公司 | 封装芯片焊脚焊接质量检测方法 |
-
1976
- 1976-06-08 CA CA254,324A patent/CA1079392A/en not_active Expired
- 1976-06-21 SE SE7607093A patent/SE409762B/xx unknown
- 1976-07-01 IT IT68631/76A patent/IT1071223B/it active
- 1976-07-02 GB GB27605/76A patent/GB1545241A/en not_active Expired
- 1976-07-02 ES ES449509A patent/ES449509A1/es not_active Expired
- 1976-07-02 JP JP51077994A patent/JPS528887A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| ES449509A1 (es) | 1977-08-01 |
| JPS528887A (en) | 1977-01-24 |
| IT1071223B (it) | 1985-04-02 |
| SE409762B (sv) | 1979-09-03 |
| GB1545241A (en) | 1979-05-02 |
| JPS5644374B2 (enExample) | 1981-10-19 |
| SE7607093L (sv) | 1977-01-03 |
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| SU1649414A1 (ru) | Способ ультразвуковой дефектоскопии |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |