GB1225424A - - Google Patents

Info

Publication number
GB1225424A
GB1225424A GB1225424DA GB1225424A GB 1225424 A GB1225424 A GB 1225424A GB 1225424D A GB1225424D A GB 1225424DA GB 1225424 A GB1225424 A GB 1225424A
Authority
GB
United Kingdom
Prior art keywords
block
flaw
probe
workpiece
ultrasonic
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
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 filed Critical
Publication of GB1225424A publication Critical patent/GB1225424A/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
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/30—Arrangements for calibrating or comparing, e.g. with standard objects
    • 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
    • G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • G01N29/341—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with time characteristics
    • G01N29/343—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with time characteristics pulse waves, e.g. particular sequence of pulses, bursts
    • 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
    • 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
    • G01N2291/042—Wave modes
    • G01N2291/0421—Longitudinal waves
    • 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
    • G01N2291/042—Wave modes
    • G01N2291/0422—Shear waves, transverse waves, horizontally polarised waves

Abstract

1,225,424. Ultrasonic inspection devices. NIPPON KOKAN K.K. 28 March, 1968 [28 March, 1967], No. 15052/68. Heading H4D. In an ultrasonic flaw inspection system a block having an artificial flaw therein and coupled to the workpiece being inspected is used to reflect ultrasonic energy back to a transmitting/receiving probe. In an embodiment for detecting a weld flaw 14 in workpiece 9 an acrylite block 6 is coupled to the workpiece. An ultrasonic pulse is launched by directional probe 10 and returns to the probe as a flaw echo and after perpendicular reflection from an upper face of block 6. A chart record or cathoderay tube A-scan presentation of the probe signals is obtained, and the apparatus sensitivity is optimized by adjusting it so that the echo from block 6 is represented at half the amplitude of the transmitted pulse. The block reflection surface may be plane or curved and the artificial flaw, e.g. a hole or groove, is for checking the flaw detection resolution of the system (by moving probe 10 along the workpiece surface and looking for a double peak in the block echo on the A-scan presentation).
GB1225424D 1967-03-28 1968-03-28 Expired GB1225424A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP42019013A JPS511993B1 (en) 1967-03-28 1967-03-28

Publications (1)

Publication Number Publication Date
GB1225424A true GB1225424A (en) 1971-03-17

Family

ID=11987601

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1225424D Expired GB1225424A (en) 1967-03-28 1968-03-28

Country Status (8)

Country Link
US (1) US3587300A (en)
JP (1) JPS511993B1 (en)
DE (1) DE1773075C3 (en)
FR (1) FR1557536A (en)
GB (1) GB1225424A (en)
NL (1) NL6804405A (en)
NO (1) NO125293B (en)
SE (1) SE344822B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2635982C3 (en) * 1976-08-06 1980-02-28 Mannesmann Ag, 4000 Duesseldorf Calibration standard for setting up ultrasonic testing systems
JPS54160797U (en) * 1978-04-29 1979-11-09
US4480475A (en) * 1983-01-28 1984-11-06 Westinghouse Electric Corp. Real-time ultrasonic weld inspection method
CN103196997A (en) * 2013-04-10 2013-07-10 吉林省电力有限公司电力科学研究院 Ultrasonic crack detection method for rotor shaft seal part of steam turbine
CN106908522B (en) * 2017-02-16 2021-05-07 泰安市特种设备检验研究院 Ultrasonic guided wave detection calibration sample pipe for axial width of pipeline defect and calibration method
US10620162B2 (en) * 2017-05-10 2020-04-14 Baker Hughes, A Ge Company, Llc Ultrasonic inspection methods and systems
CN110763769A (en) * 2019-11-06 2020-02-07 南京迪威尔高端制造股份有限公司 Crescent test block
JP7453928B2 (en) * 2021-02-16 2024-03-21 株式会社日立製作所 Ultrasonic inspection device for welded parts

Also Published As

Publication number Publication date
DE1773075B2 (en) 1973-10-18
DE1773075C3 (en) 1974-05-16
SE344822B (en) 1972-05-02
DE1773075A1 (en) 1971-09-23
FR1557536A (en) 1969-02-14
JPS511993B1 (en) 1976-01-22
NO125293B (en) 1972-08-14
US3587300A (en) 1971-06-28
NL6804405A (en) 1968-09-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees