JPH0342765B2 - - Google Patents

Info

Publication number
JPH0342765B2
JPH0342765B2 JP60001377A JP137785A JPH0342765B2 JP H0342765 B2 JPH0342765 B2 JP H0342765B2 JP 60001377 A JP60001377 A JP 60001377A JP 137785 A JP137785 A JP 137785A JP H0342765 B2 JPH0342765 B2 JP H0342765B2
Authority
JP
Japan
Prior art keywords
square wave
wave signal
circuit
wall thickness
pulse
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 - Lifetime
Application number
JP60001377A
Other languages
English (en)
Japanese (ja)
Other versions
JPS617408A (ja
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 JPS617408A publication Critical patent/JPS617408A/ja
Publication of JPH0342765B2 publication Critical patent/JPH0342765B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
    • G01B17/02—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring thickness
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
    • G01D3/02—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for altering or correcting the law of variation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Technology Law (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
JP60001377A 1984-01-14 1985-01-08 超音波パルスによる壁厚測定のさいの音響走行路誤差を補正するための回路装置 Granted JPS617408A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3401144A DE3401144C1 (de) 1984-01-14 1984-01-14 Schaltungsvorrichtung zur Korrektur des Schallaufwegfehlers bei der Wanddickenmessung mit Ultraschallimpulsen
DE3401144.7 1984-01-14

Publications (2)

Publication Number Publication Date
JPS617408A JPS617408A (ja) 1986-01-14
JPH0342765B2 true JPH0342765B2 (en]) 1991-06-28

Family

ID=6224977

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60001377A Granted JPS617408A (ja) 1984-01-14 1985-01-08 超音波パルスによる壁厚測定のさいの音響走行路誤差を補正するための回路装置

Country Status (4)

Country Link
US (1) US4570486A (en])
JP (1) JPS617408A (en])
DE (1) DE3401144C1 (en])
GB (1) GB2153075B (en])

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4639669A (en) * 1983-09-26 1987-01-27 Lockheed Missiles & Space Company, Inc. Pulsed electromagnetic nondestructive test method for determining volume density of graphite fibers in a graphite-epoxy composite material
FR2566130B1 (fr) * 1984-06-15 1987-11-20 Labo Electronique Physique Appareil d'examen de milieux par echographie ultrasonore
DE3601373A1 (de) * 1985-01-22 1986-08-28 Siderca S.A. Industrial y Comercial, Capital Federal Vorrichtung zur dickenmessung mit hilfe von ultraschall
DE3707048A1 (de) * 1987-03-05 1988-09-15 Ktv Systemtechnik Gmbh Ueberwachungssystem bei der elektrodynamischen wanddicken- und fehlerpruefung
US4814703A (en) * 1987-08-04 1989-03-21 The Boeing Company Method and apparatus for gap measurement between a graphite/epoxy structure and a metallic model
US4881409A (en) * 1988-06-13 1989-11-21 Westinghouse Electric Corp. Multi-point wall thickness gage
US4989616A (en) * 1989-08-28 1991-02-05 Lee Jr Alexander Y Monostatic anti-bruxism device
US5341345A (en) * 1993-08-09 1994-08-23 Baker Hughes Incorporated Ultrasonic stand-off gauge
US5513531A (en) * 1993-09-01 1996-05-07 Combustion Engineering, Inc. Ultrasonic system for measurement of thin layers
US5723791A (en) 1993-09-28 1998-03-03 Defelsko Corporation High resolution ultrasonic coating thickness gauge
US5608165A (en) * 1996-05-06 1997-03-04 Ford Motor Company Ultrasonic thickness gauge for multilayer plastic fuel tanks
DE19741586C1 (de) * 1997-09-20 1999-07-29 Theysohn Friedrich Fa Ultraschallmeßgerät mit Sender und Empfänger für die Ortung der geometrischen Lage der Grenze zwischen einem ersten und einem zweiten Stoff von einem Bezugsort
RU2167393C2 (ru) * 1999-05-31 2001-05-20 Казанский государственный технический университет им. А.Н. Туполева Ультразвуковой способ определения толщины изделия
US7272529B2 (en) * 2005-07-08 2007-09-18 Honeywell International, Inc. Dual wall turbine blade ultrasonic wall thickness measurement technique
US20100111816A1 (en) * 2007-03-30 2010-05-06 Powdertech Co., Ltd. Inorganic particle-containing emulsion and manufacturing method of a particle by using the inorganic particle-containing emulsion
US8286488B2 (en) * 2009-05-01 2012-10-16 General Electric Company Apparatus and system for measuring material thickness
US8156784B2 (en) * 2009-12-04 2012-04-17 Olympus Ndt, Inc. System and method for derivation and real-time application of acoustic V-path correction data
GB2512835A (en) * 2013-04-08 2014-10-15 Permasense Ltd Ultrasonic detection of a change in a surface of a wall
RU2707199C1 (ru) * 2018-12-18 2019-11-25 Акционерное общество "Обнинское научно-производственное предприятие "Технология" им. А.Г. Ромашина" Способ определения толщины изделия при одностороннем доступе

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3486368A (en) * 1967-03-22 1969-12-30 Branson Instr Ultrasonic inspection apparatus
US4182155A (en) * 1978-09-22 1980-01-08 Panametrics, Inc. Method and apparatus for zero point calibration of ultrasonic thickness gauge
JPS5892811A (ja) * 1980-12-08 1983-06-02 Teitsuu Denshi Kenkyusho:Kk 超音波式厚さ測定方法
US4437332A (en) * 1982-09-30 1984-03-20 Krautkramer-Branson, Inc. Ultrasonic thickness measuring instrument

Also Published As

Publication number Publication date
GB2153075B (en) 1987-09-03
GB2153075A (en) 1985-08-14
US4570486A (en) 1986-02-18
JPS617408A (ja) 1986-01-14
GB8500823D0 (en) 1985-02-20
DE3401144C1 (de) 1984-10-25

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