GB1131075A - Ultrasonic inspection apparatus and method - Google Patents

Ultrasonic inspection apparatus and method

Info

Publication number
GB1131075A
GB1131075A GB1367465A GB1367465A GB1131075A GB 1131075 A GB1131075 A GB 1131075A GB 1367465 A GB1367465 A GB 1367465A GB 1367465 A GB1367465 A GB 1367465A GB 1131075 A GB1131075 A GB 1131075A
Authority
GB
United Kingdom
Prior art keywords
specimen
transducer
receiving transducer
transducers
march
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
Application number
GB1367465A
Inventor
David Stanley Dean
David Trevor Green
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MINI OF TECHNOLOGY
Minister of Technology
Original Assignee
MINI OF TECHNOLOGY
Minister of Technology
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 MINI OF TECHNOLOGY, Minister of Technology filed Critical MINI OF TECHNOLOGY
Priority to GB1367465A priority Critical patent/GB1131075A/en
Publication of GB1131075A publication Critical patent/GB1131075A/en
Expired legal-status Critical Current

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
    • 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
    • G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
    • G01N29/27—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the material relative to a stationary sensor
    • 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
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/048—Transmission, i.e. analysed material between transmitter and receiver

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)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

1,131,075. Ultrasonic inspection devices. MINISTER OF TECHNOLOGY. 25 March, 1966 [31 March, 1965], No. 13674/65. Heading H4D. In an ultrasonic system for detecting discontinuities within a specimen by the transmission method the specimen is located between a receiving transducer and a focused transmitting transducer and is separated from the transmitting transducer in a gaseous medium. The arrangement permits inspection of a specimen subject to high temperatures. Both transducers may be focused to within the specimen and may be of similar type, or the receiving transducer may be coupled to the specimen by a liquid or may be a contact type as disclosed in Specification 1,118,141. Acoustic pulses with a carrier frequency at or near the natural vibration frequency of the transmitting transducer traverse the specimen and are detected by the receiving transducer, whose output is applied through a narrow-band amplifier to an analogue store (for subsequent analysis) and/or to a cathode-ray tube for display. The specimen is scanned by moving it relative to the transducers and electrical signals representative of the movement are passed, via the store, to the cathoderay tube to provide a plan position indication of discontinuities within the specimen.
GB1367465A 1965-03-31 1965-03-31 Ultrasonic inspection apparatus and method Expired GB1131075A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1367465A GB1131075A (en) 1965-03-31 1965-03-31 Ultrasonic inspection apparatus and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1367465A GB1131075A (en) 1965-03-31 1965-03-31 Ultrasonic inspection apparatus and method

Publications (1)

Publication Number Publication Date
GB1131075A true GB1131075A (en) 1968-10-23

Family

ID=10027359

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1367465A Expired GB1131075A (en) 1965-03-31 1965-03-31 Ultrasonic inspection apparatus and method

Country Status (1)

Country Link
GB (1) GB1131075A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4028933A (en) * 1974-02-15 1977-06-14 The Board Of Trustees Of Leland Stanford Junior University Acoustic microscope
EP0217758A2 (en) * 1985-09-30 1987-04-08 FIAT AUTO S.p.A. Method and apparatus for detecting production cracks in mechanical parts made by pressing

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4028933A (en) * 1974-02-15 1977-06-14 The Board Of Trustees Of Leland Stanford Junior University Acoustic microscope
EP0217758A2 (en) * 1985-09-30 1987-04-08 FIAT AUTO S.p.A. Method and apparatus for detecting production cracks in mechanical parts made by pressing
EP0217758A3 (en) * 1985-09-30 1987-12-09 Fiat Auto S.P.A. Method and apparatus for detecting production cracks in mechanical parts made by pressing

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