ATA6502002A - Schaltungsanordnung - Google Patents

Schaltungsanordnung

Info

Publication number
ATA6502002A
ATA6502002A AT6502002A AT6502002A ATA6502002A AT A6502002 A ATA6502002 A AT A6502002A AT 6502002 A AT6502002 A AT 6502002A AT 6502002 A AT6502002 A AT 6502002A AT A6502002 A ATA6502002 A AT A6502002A
Authority
AT
Austria
Prior art keywords
circuit
Prior art date
Application number
AT6502002A
Other languages
English (en)
Other versions
AT411193B (de
Inventor
Herwig Dr Mayer
Gerd Pfersmann
Original Assignee
Herwig Dr Mayer
Tschegg Stefanie Dr
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 Herwig Dr Mayer, Tschegg Stefanie Dr filed Critical Herwig Dr Mayer
Priority to AT6502002A priority Critical patent/AT411193B/de
Publication of ATA6502002A publication Critical patent/ATA6502002A/de
Priority to DE2003117454 priority patent/DE10317454A1/de
Application granted granted Critical
Publication of AT411193B publication Critical patent/AT411193B/de

Links

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
    • G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
    • 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
    • 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
    • G01N29/42—Detecting the response signal, e.g. electronic circuits specially adapted therefor by frequency filtering or by tuning to resonant frequency
    • 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
    • G01N2203/0014—Type of force applied
    • G01N2203/0023—Bending
    • 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
    • G01N2203/003—Generation of the force
    • G01N2203/005—Electromagnetic means
    • G01N2203/0051—Piezoelectric means
    • 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
    • G01N2203/0058—Kind of property studied
    • G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
    • G01N2203/0073—Fatigue
    • 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
    • G01N2291/01—Indexing codes associated with the measuring variable
    • G01N2291/014—Resonance or resonant frequency
    • 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
    • G01N2291/025—Change of phase or condition
    • G01N2291/0258—Structural degradation, e.g. fatigue of composites, ageing of oils

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)
  • Acoustics & Sound (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
AT6502002A 2002-04-26 2002-04-26 Schaltungsanordnung AT411193B (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT6502002A AT411193B (de) 2002-04-26 2002-04-26 Schaltungsanordnung
DE2003117454 DE10317454A1 (de) 2002-04-26 2003-04-16 Schaltungsanordnung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT6502002A AT411193B (de) 2002-04-26 2002-04-26 Schaltungsanordnung

Publications (2)

Publication Number Publication Date
ATA6502002A true ATA6502002A (de) 2003-03-15
AT411193B AT411193B (de) 2003-10-27

Family

ID=3678193

Family Applications (1)

Application Number Title Priority Date Filing Date
AT6502002A AT411193B (de) 2002-04-26 2002-04-26 Schaltungsanordnung

Country Status (2)

Country Link
AT (1) AT411193B (de)
DE (1) DE10317454A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT109134B (pt) * 2016-02-04 2020-09-25 Instituto Superior Técnico Equipamento para ensaios de fadiga a frequências ultrassónicas em regime multiaxial direções axial e torcional

Also Published As

Publication number Publication date
DE10317454A1 (de) 2003-11-06
AT411193B (de) 2003-10-27

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Legal Events

Date Code Title Description
MM01 Lapse because of not paying annual fees

Effective date: 20150315