FR2449283B1 - - Google Patents
Info
- Publication number
- FR2449283B1 FR2449283B1 FR7903625A FR7903625A FR2449283B1 FR 2449283 B1 FR2449283 B1 FR 2449283B1 FR 7903625 A FR7903625 A FR 7903625A FR 7903625 A FR7903625 A FR 7903625A FR 2449283 B1 FR2449283 B1 FR 2449283B1
- Authority
- FR
- France
- 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
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
- G01N27/9046—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 by analysing electrical signals
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)
- Arc Welding Control (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/011,546 US4287474A (en) | 1979-02-12 | 1979-02-12 | Method and apparatus for non-destructive quality testing of spot welds |
| FR7903625A FR2449283A1 (fr) | 1979-02-12 | 1979-02-13 | Procede de controle non destructif de la qualite de soudures par points et dispositif pour sa mise en oeuvre |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/011,546 US4287474A (en) | 1979-02-12 | 1979-02-12 | Method and apparatus for non-destructive quality testing of spot welds |
| FR7903625A FR2449283A1 (fr) | 1979-02-12 | 1979-02-13 | Procede de controle non destructif de la qualite de soudures par points et dispositif pour sa mise en oeuvre |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2449283A1 FR2449283A1 (fr) | 1980-09-12 |
| FR2449283B1 true FR2449283B1 (US08197722-20120612-C00042.png) | 1982-06-18 |
Family
ID=26221016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7903625A Granted FR2449283A1 (fr) | 1979-02-12 | 1979-02-13 | Procede de controle non destructif de la qualite de soudures par points et dispositif pour sa mise en oeuvre |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4287474A (US08197722-20120612-C00042.png) |
| FR (1) | FR2449283A1 (US08197722-20120612-C00042.png) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2493991A1 (fr) * | 1980-11-12 | 1982-05-14 | Revigny Soc Metall | Procede et dispositif de detection par courants de foucault de defauts dans un produit metallique |
| FR2500632B2 (fr) * | 1980-11-12 | 1987-12-24 | Revigny Soc Metall | Dispositif de detection par courants de foucault de defauts dans un produit metallique |
| US4503392A (en) * | 1981-07-21 | 1985-03-05 | Rizhsky Politekhnichesky Institut | Apparatus for non-destructive testing of spot welds using an electromagnetic field |
| FR2511508A1 (fr) * | 1981-08-11 | 1983-02-18 | Rizhskij Polt Inst | Procede de controle non destructif d'assemblages soudes par points et dispositif pour la mise en oeuvre de ce procede |
| JP3011090U (ja) * | 1994-11-11 | 1995-05-16 | 株式会社キョクトー | スポット溶接のナゲットの検査装置 |
| US6250163B1 (en) * | 1999-03-09 | 2001-06-26 | Mcdermott Technology, Inc. | EMATS for spot weld examination |
| CN101126739B (zh) * | 2007-09-10 | 2010-09-08 | 于复生 | 一种焊管焊缝质量检测及缺陷焊管自动剔除控制系统 |
| JP5868728B2 (ja) * | 2012-03-02 | 2016-02-24 | 聰 島本 | スポット溶接固定強度評価方法およびスポット溶接固定強度評価装置 |
| CZ306012B6 (cs) * | 2014-09-03 | 2016-06-22 | Vysoké Učení Technické V Brně | Nedestruktivní indikátor lokálních podpovrchových nehomogenit |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2764734A (en) * | 1952-10-03 | 1956-09-25 | Wilfrid A Yates | Phase angle method of metal thickness indication |
| US2985824A (en) * | 1958-04-14 | 1961-05-23 | Jr Claus J Renken | Nondestructive eddy current testing |
| US3302105A (en) * | 1964-08-26 | 1967-01-31 | Hugo L Libby | Eddy current nondestructive testing device using an oscilloscope to identify and locate irregularities in a test piece |
| US3566258A (en) * | 1967-03-23 | 1971-02-23 | Nippon Kokan Kk | Eddy current flaw detector having automatically balancing bridge circuit |
| US3535625A (en) * | 1968-04-22 | 1970-10-20 | Garrett Corp | Strain and flaw detector |
| US3526829A (en) * | 1968-04-24 | 1970-09-01 | Chrysler Corp | Pulsed eddy current apparatus for nondestructive testing of resistance type welds |
| FR2195021B1 (US08197722-20120612-C00042.png) * | 1972-08-03 | 1976-01-23 | Commissariat A En Atomique Fr | |
| DE2309889A1 (de) * | 1973-02-28 | 1974-08-29 | Guido Drechsler | Verfahren zur ermittlung der schweissguete bei punktschweissungen |
| FR2260398A1 (en) * | 1974-02-08 | 1975-09-05 | Soriel | Foucault current fault detector for tubes - has high and low filters connected to memory followed by phase detector |
-
1979
- 1979-02-12 US US06/011,546 patent/US4287474A/en not_active Expired - Lifetime
- 1979-02-13 FR FR7903625A patent/FR2449283A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US4287474A (en) | 1981-09-01 |
| FR2449283A1 (fr) | 1980-09-12 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |