GB776370A - Arrangements for recording the results of the supersonic examination of metal parts - Google Patents

Arrangements for recording the results of the supersonic examination of metal parts

Info

Publication number
GB776370A
GB776370A GB29725/54A GB2972554A GB776370A GB 776370 A GB776370 A GB 776370A GB 29725/54 A GB29725/54 A GB 29725/54A GB 2972554 A GB2972554 A GB 2972554A GB 776370 A GB776370 A GB 776370A
Authority
GB
United Kingdom
Prior art keywords
plates
photo
cathode
transducer
strip
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
GB29725/54A
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.)
Institut de Recherches de la Siderurgie Francaise IRSID
Original Assignee
Institut de Recherches de la Siderurgie Francaise IRSID
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 Institut de Recherches de la Siderurgie Francaise IRSID filed Critical Institut de Recherches de la Siderurgie Francaise IRSID
Publication of GB776370A publication Critical patent/GB776370A/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
    • G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
    • G01N29/0609—Display arrangements, e.g. colour displays
    • G01N29/0618—Display arrangements, e.g. colour displays synchronised with scanning, e.g. in real-time
    • 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
    • G01N2291/023—Solids
    • G01N2291/0234—Metals, e.g. steel

Landscapes

  • 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)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

776,370. Ultrasonic inspection devices. INSTITUT DE RECHERCHES DE LA SIDERURGIE. Oct. 15, 1954 [Oct. 28, 1953], No. 29725/54. Class 118 (2). [Also in Groups XXXIX and XL (b)] In ultrasonic examination of metals in which a trace appears on a cathode-ray oscillograph photo-cells associated with the screen operate means to produce a record of defects in the specimen. General arrangement (Fig. 1).-Pulses are produced and received by a piezo-electric transducer 9 which is traversed along the specimen in a number of parallel lines. The output of the detector is amplified, but instead of being applied to the Y plates, the X plates being provided with a linear sweep voltage, is applied to the grid of the cathode-ray tube 4 so as to make the trace visible only when the reflected pulse is received. Adjacent the screen of the cathode-ray tube is a row 5 of photo-electric cells (to be described). Thus the cell which is energized represents the depth of the defect. Each cell is associated with one of a number of styli 7 arranged transversely to a recording strip 8 synchronized with the transducer movement which thus make marks such as 14, 15 or 16 which represent by their position along the strip the position of the flaw along the specimen and by their position in a direction transverse to the strip travel the depth of the flaw. The pulse which marks the strip may also, or alternatively, be used to operate a warning loudspeaker. Transducer (Fig. 3).-A piezo-electric quartz transducer 9 is secured to rod 34 rigid with a stationary spindle 35. The quartz is contained in a liquid-filled chamber sealed by side-plates 36. A rubber case 37 held between side-plates 36 and further plates 38 closes the edge of the chamber and is such as to be flattened by the weight of the assembly so as to provide a good contact with the substance under test. Spindle 35 is supported in a yoke on rollers 39 and may be lifted by handles 40 (Fig. 1). The photo-cell assembly consists of a number of photo-cells 5 mounted on a curved block of transparent plastic material which fits the screen of the cathode-ray tube.
GB29725/54A 1953-10-28 1954-10-15 Arrangements for recording the results of the supersonic examination of metal parts Expired GB776370A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2836059X 1953-10-28

Publications (1)

Publication Number Publication Date
GB776370A true GB776370A (en) 1957-06-05

Family

ID=32319246

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29725/54A Expired GB776370A (en) 1953-10-28 1954-10-15 Arrangements for recording the results of the supersonic examination of metal parts

Country Status (6)

Country Link
US (1) US2836059A (en)
BE (1) BE532576A (en)
CH (1) CH321928A (en)
FR (1) FR1095353A (en)
GB (1) GB776370A (en)
LU (1) LU33171A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3135109A (en) * 1960-02-16 1964-06-02 Karl O Werner Devices for detecting and recording defective spots in metal members
US3722263A (en) * 1970-12-21 1973-03-27 Ithaco Ultrasonic inspection apparatus

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1172231A (en) * 1956-02-10 1959-02-06 Glass Developments Ltd Ultrasonic detector to detect internal defects, such as blowholes
US3021706A (en) * 1957-07-02 1962-02-20 Curtiss Wright Corp Ultrasonic materials testing system
US3169393A (en) * 1961-04-03 1965-02-16 Automation Ind Inc Means and techniques for inspecting metal
US3341706A (en) * 1962-05-04 1967-09-12 Dresser Ind Apparatus for and method of terrestrial surveying
US3205702A (en) * 1963-12-30 1965-09-14 Chemetron Corp Ultrasonic coupling device
US3371524A (en) * 1964-10-15 1968-03-05 Custom Machine Inc Apparatus for positioning a search unit
US3543229A (en) * 1968-10-03 1970-11-24 Gilbert Baum Method and apparatus for the display and recordation of signals
FR2127137A5 (en) * 1971-02-25 1972-10-13 Centre Techn Ind Mecanique
DK138861B (en) * 1972-08-28 1978-11-06 Akad Tekn Videnskaber Apparatus for ultrasound examination.
GB1471890A (en) * 1973-06-19 1977-04-27 British Steel Corp Testing of articles
US4208915A (en) * 1979-01-31 1980-06-24 Edwards Bill R Method of determining foreign material in food products using ultrasonic sound
US4258573A (en) * 1979-09-07 1981-03-31 Checon Corporation In line ultrasonic inspection apparatus and method
US5404755A (en) * 1992-04-10 1995-04-11 Olson Engineering, Inc. Scanning apparatus and method for non-destructive materials evaluation and mapping through use of acoustic waves

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2031951A (en) * 1932-02-25 1936-02-25 Bell Telephone Labor Inc Burglar alarm system
US2501791A (en) * 1944-08-10 1950-03-28 Stanolind Oil & Gas Co Inkless recorder
FR1006324A (en) * 1947-12-19 1952-04-22 Acec Elastic wave probe
US2534369A (en) * 1947-12-22 1950-12-19 Thomas I Ress Cathode-ray tube selector system
BE489417A (en) * 1949-04-06
US2603966A (en) * 1950-08-12 1952-07-22 Sperry Prod Inc Shield and light cell pickup for oscilloscopes
US2699061A (en) * 1950-10-05 1955-01-11 Sperry Prod Inc High-speed ultrasonic indicator
US2693105A (en) * 1950-10-21 1954-11-02 Sperry Prod Inc Ultrasonic inspection device
BE516331A (en) * 1951-12-19
BE521715A (en) * 1952-07-25

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3135109A (en) * 1960-02-16 1964-06-02 Karl O Werner Devices for detecting and recording defective spots in metal members
US3722263A (en) * 1970-12-21 1973-03-27 Ithaco Ultrasonic inspection apparatus

Also Published As

Publication number Publication date
LU33171A1 (en)
US2836059A (en) 1958-05-27
FR1095353A (en) 1955-06-01
BE532576A (en)
CH321928A (en) 1957-05-31

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