DK445187D0 - Apparat til undersoegelse af fejl i materialer, isaer i stoebegods - Google Patents

Apparat til undersoegelse af fejl i materialer, isaer i stoebegods

Info

Publication number
DK445187D0
DK445187D0 DK445187A DK445187A DK445187D0 DK 445187 D0 DK445187 D0 DK 445187D0 DK 445187 A DK445187 A DK 445187A DK 445187 A DK445187 A DK 445187A DK 445187 D0 DK445187 D0 DK 445187D0
Authority
DK
Denmark
Prior art keywords
investigation
miscellaneous materials
miscellaneous
materials
Prior art date
Application number
DK445187A
Other languages
English (en)
Other versions
DK445187A (da
Inventor
Michel Jacob
Original Assignee
Michel Jacob
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Michel Jacob filed Critical Michel Jacob
Publication of DK445187A publication Critical patent/DK445187A/da
Publication of DK445187D0 publication Critical patent/DK445187D0/da

Links

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
    • G01N29/12—Analysing solids by measuring frequency or resonance of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H13/00—Measuring resonant frequency

Landscapes

  • Physics & Mathematics (AREA)
  • General 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)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
DK445187A 1985-12-27 1987-08-26 Apparat til undersoegelse af fejl i materialer, isaer i stoebegods DK445187D0 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8519454A FR2592481B1 (fr) 1985-12-27 1985-12-27 Appareil de controle de defauts, notamment dans les pieces de fonderie, et procede de mise en oeuvre de cet appareil.
PCT/FR1986/000447 WO1987004250A1 (fr) 1985-12-27 1986-12-26 Appareil de controle de defauts, notamment dans les pieces de fonderie

Publications (2)

Publication Number Publication Date
DK445187A DK445187A (da) 1987-08-26
DK445187D0 true DK445187D0 (da) 1987-08-26

Family

ID=9326338

Family Applications (1)

Application Number Title Priority Date Filing Date
DK445187A DK445187D0 (da) 1985-12-27 1987-08-26 Apparat til undersoegelse af fejl i materialer, isaer i stoebegods

Country Status (6)

Country Link
US (1) US4829823A (da)
EP (1) EP0253829A1 (da)
JP (1) JPS63502137A (da)
DK (1) DK445187D0 (da)
FR (1) FR2592481B1 (da)
WO (1) WO1987004250A1 (da)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0309829A1 (de) * 1987-09-29 1989-04-05 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur Überwachung der mechanischen Integrität einer Komponente
US5520061A (en) * 1989-03-14 1996-05-28 Enprotech Corporation Multiple axis transducer mounting collar
US5179860A (en) * 1989-10-04 1993-01-19 Iwatsu Electric Co., Ltd. Defect detecting method and apparatus
FR2666656A1 (fr) * 1990-09-11 1992-03-13 Thomson Csf Procede et dispositif d'inspection d'une structure par analyse modale.
US5062296A (en) * 1990-09-20 1991-11-05 The United States Of America As Represented By The Department Of Energy Resonant ultrasound spectroscopy
GB2254426B (en) * 1991-04-03 1995-06-14 Honda Motor Co Ltd Method of and apparatus for detecting defects in an object
US5425272A (en) * 1993-11-30 1995-06-20 Quatro Corporation Relative resonant frequency shifts to detect cracks
US5591913A (en) * 1994-05-12 1997-01-07 Southern Research Institute Apparatus and method for ultrasonic spectroscopy testing of materials
US5808202A (en) * 1997-04-04 1998-09-15 Passarelli, Jr.; Frank Electromagnetic acoustic transducer flaw detection apparatus
US7464593B1 (en) * 2004-12-09 2008-12-16 Francis Masyada Metallurgic treatment and verification system
TWI431271B (zh) * 2010-07-15 2014-03-21 Ind Tech Res Inst 瑕疵檢測系統及方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1084792A (en) * 1963-05-03 1967-09-27 British Cast Iron Res Ass Improvements in the non-destructive testing of materials
US3345862A (en) * 1964-01-21 1967-10-10 Robert G Rowe Resonance vibration apparatus for testing articles
SU492802A1 (ru) * 1974-05-24 1975-11-25 Предприятие П/Я Г-4126 Устройство дл исследовани механических свойств твердых тел ультразвуковым резонансным методом
IT1059840B (it) * 1975-11-25 1982-06-21 Fiat Spa Procedimento e dispositivo per il controllo della qualita di pezzi fusi..particolarmente pezzi di ghisa sferoidale
FR2435029A1 (fr) * 1978-08-31 1980-03-28 Oreal Procede pour mesurer au moins une caracteristique mecanique d'un materiau elastique et appareil correspondant
FR2485727A1 (fr) * 1980-06-24 1981-12-31 Snecma Dispositif de mesure des frequences de resonnance des aubes de turbine, de compresseurs et de pales d'helices
FR2498330A1 (fr) * 1981-01-20 1982-07-23 Sydel Appareil de controle de resonance

Also Published As

Publication number Publication date
JPS63502137A (ja) 1988-08-18
DK445187A (da) 1987-08-26
FR2592481A1 (fr) 1987-07-03
FR2592481B1 (fr) 1988-02-12
US4829823A (en) 1989-05-16
WO1987004250A1 (fr) 1987-07-16
EP0253829A1 (fr) 1988-01-27

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment