CA1161114A - Non-destructive testing method and apparatus for spot welds - Google Patents
Non-destructive testing method and apparatus for spot weldsInfo
- Publication number
- CA1161114A CA1161114A CA000366496A CA366496A CA1161114A CA 1161114 A CA1161114 A CA 1161114A CA 000366496 A CA000366496 A CA 000366496A CA 366496 A CA366496 A CA 366496A CA 1161114 A CA1161114 A CA 1161114A
- Authority
- CA
- Canada
- Prior art keywords
- electrodes
- measuring
- weld
- welds
- pair
- 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 26
- 238000009659 non-destructive testing Methods 0.000 title claims description 9
- 238000007689 inspection Methods 0.000 claims abstract description 6
- 238000011835 investigation Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 238000009527 percussion Methods 0.000 claims description 2
- 230000000007 visual effect Effects 0.000 claims description 2
- 238000011088 calibration curve Methods 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 21
- 239000002184 metal Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000009658 destructive testing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- PCTMTFRHKVHKIS-BMFZQQSSSA-N (1s,3r,4e,6e,8e,10e,12e,14e,16e,18s,19r,20r,21s,25r,27r,30r,31r,33s,35r,37s,38r)-3-[(2r,3s,4s,5s,6r)-4-amino-3,5-dihydroxy-6-methyloxan-2-yl]oxy-19,25,27,30,31,33,35,37-octahydroxy-18,20,21-trimethyl-23-oxo-22,39-dioxabicyclo[33.3.1]nonatriaconta-4,6,8,10 Chemical compound C1C=C2C[C@@H](OS(O)(=O)=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2.O[C@H]1[C@@H](N)[C@H](O)[C@@H](C)O[C@H]1O[C@H]1/C=C/C=C/C=C/C=C/C=C/C=C/C=C/[C@H](C)[C@@H](O)[C@@H](C)[C@H](C)OC(=O)C[C@H](O)C[C@H](O)CC[C@@H](O)[C@H](O)C[C@H](O)C[C@](O)(C[C@H](O)[C@H]2C(O)=O)O[C@H]2C1 PCTMTFRHKVHKIS-BMFZQQSSSA-N 0.000 description 1
- 101100423891 Caenorhabditis elegans qars-1 gene Proteins 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- HDRXZJPWHTXQRI-BHDTVMLSSA-N diltiazem hydrochloride Chemical group [Cl-].C1=CC(OC)=CC=C1[C@H]1[C@@H](OC(C)=O)C(=O)N(CC[NH+](C)C)C2=CC=CC=C2S1 HDRXZJPWHTXQRI-BHDTVMLSSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
-
- 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
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/20—Investigating the presence of flaws
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0296—Welds
Landscapes
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pathology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7930700A FR2471601A1 (fr) | 1979-12-14 | 1979-12-14 | Procede et dispositif de controle non destructif des soudures par points |
| FREN7930700 | 1979-12-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1161114A true CA1161114A (en) | 1984-01-24 |
Family
ID=9232782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000366496A Expired CA1161114A (en) | 1979-12-14 | 1980-12-10 | Non-destructive testing method and apparatus for spot welds |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4368422A (Direct) |
| EP (1) | EP0030889B1 (Direct) |
| JP (1) | JPS5694255A (Direct) |
| CA (1) | CA1161114A (Direct) |
| DE (1) | DE3067589D1 (Direct) |
| ES (1) | ES8201735A1 (Direct) |
| FR (1) | FR2471601A1 (Direct) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4667149A (en) * | 1983-05-31 | 1987-05-19 | American Telephone And Telegraph Company, At&T Bell Laboratories | Precision nondestructive testing of metals |
| GB8415747D0 (en) * | 1984-06-20 | 1984-07-25 | Secr Defence | Alternating current potential drops |
| DE3612651A1 (de) * | 1985-04-15 | 1986-10-16 | Hitachi, Ltd., Tokio/Tokyo | Verfahren und vorrichtung zum erfassen von rissen |
| IT1206837B (it) * | 1987-01-09 | 1989-05-11 | Fiat Auto Spa | Procedimento e dispositivo per il controllo non distruttivo di puntidi saldatura di lamiera realizzati mediante saldatura elettrica |
| US6186011B1 (en) * | 1999-07-06 | 2001-02-13 | Ford Global Technologies, Inc. | Method of analyzing spot welded structures |
| CN103278081B (zh) * | 2013-05-30 | 2016-03-16 | 中铁西北科学研究院有限公司 | 电势差式锚杆长度无损检测方法及检测装置 |
| CN103292680B (zh) * | 2013-05-30 | 2016-03-16 | 中铁西北科学研究院有限公司 | 一种新型电学无损检测锚杆长度的方法及检测装置 |
| DE102017001014A1 (de) | 2017-02-03 | 2018-08-09 | Sumitomo Wiring Systems, Ltd. | Verfahren und System zur Prüfung einer elektrischen Verbindung |
| JP6428887B1 (ja) * | 2017-09-22 | 2018-11-28 | 日本電産リード株式会社 | 溶着状態検出方法及び溶着状態検出装置 |
| KR102772445B1 (ko) * | 2020-03-02 | 2025-02-25 | 주식회사 엘지에너지솔루션 | 용접 상태 검사 장치 |
| WO2023063083A1 (ja) * | 2021-10-11 | 2023-04-20 | 日置電機株式会社 | 測定装置、測定システム及び測定方法 |
| CN114609191A (zh) * | 2022-03-15 | 2022-06-10 | 东莞新能安科技有限公司 | 焊接质量检测方法及其系统 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR771305A (fr) * | 1934-06-27 | 1934-10-04 | Procédé pour la vérification de la qualité des soudures et appareils pour la mise en ceuvre de ce procédé | |
| US3192474A (en) * | 1961-03-30 | 1965-06-29 | Texas Instruments Inc | Method and apparatus for determining the quality of a weld or solder joint by measurement of the dynamic resistance of the joint |
| US3303418A (en) * | 1963-05-27 | 1967-02-07 | Westinghouse Electric Corp | Electrical apparatus for testing joints having four voltage probes |
| FR1498864A (fr) * | 1965-11-15 | 1967-10-20 | Ibm | Méthode et dispositif utilisés pour vérifier mécaniquement et électriquement laqualité des connexions soudées |
| US3611125A (en) * | 1969-06-04 | 1971-10-05 | Sylvania Electric Prod | Apparatus for measuring electrical resistance |
| DE1648476A1 (de) * | 1970-04-21 | 1972-03-02 | Foerster Friedrich Dr | Verfahren zum Nachweis von Schweissungen mit ungenuegenden Festigkeitswerten |
| US3735253A (en) * | 1971-09-23 | 1973-05-22 | Aluminium Comp | Method and means for measuring electrode resistance |
| US3916304A (en) * | 1974-01-17 | 1975-10-28 | Univ Akron | Method for nondestructive testing of weld clusters |
| FR2400706A1 (fr) * | 1977-08-19 | 1979-03-16 | Onera (Off Nat Aerospatiale) | Perfectionnements aux dispositifs pour determiner l'etendue d'une fissure ouverte a la surface d'un corps solide electriquement conducteur |
-
1979
- 1979-12-14 FR FR7930700A patent/FR2471601A1/fr active Granted
-
1980
- 1980-12-02 US US06/212,149 patent/US4368422A/en not_active Expired - Lifetime
- 1980-12-08 DE DE8080401755T patent/DE3067589D1/de not_active Expired
- 1980-12-08 EP EP80401755A patent/EP0030889B1/fr not_active Expired
- 1980-12-10 CA CA000366496A patent/CA1161114A/en not_active Expired
- 1980-12-12 JP JP17571880A patent/JPS5694255A/ja active Pending
- 1980-12-12 ES ES497677A patent/ES8201735A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES497677A0 (es) | 1981-12-16 |
| ES8201735A1 (es) | 1981-12-16 |
| EP0030889A1 (fr) | 1981-06-24 |
| US4368422A (en) | 1983-01-11 |
| JPS5694255A (en) | 1981-07-30 |
| FR2471601B1 (Direct) | 1983-04-22 |
| FR2471601A1 (fr) | 1981-06-19 |
| DE3067589D1 (en) | 1984-05-24 |
| EP0030889B1 (fr) | 1984-04-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |