DK248382A - Ikke destruktiv materialeproevning af generator-rotortaender ved hjaelp af ultralyd - Google Patents

Ikke destruktiv materialeproevning af generator-rotortaender ved hjaelp af ultralyd Download PDF

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Publication number
DK248382A
DK248382A DK248382A DK248382A DK248382A DK 248382 A DK248382 A DK 248382A DK 248382 A DK248382 A DK 248382A DK 248382 A DK248382 A DK 248382A DK 248382 A DK248382 A DK 248382A
Authority
DK
Denmark
Prior art keywords
ultro
tenders
sound
generator rotor
material testing
Prior art date
Application number
DK248382A
Other languages
English (en)
Inventor
A Scholz
Original Assignee
Bbc Brown Boveri & Cie
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 Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Publication of DK248382A publication Critical patent/DK248382A/da

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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
    • G01N29/11—Analysing solids by measuring attenuation 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
    • G01N29/30—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
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/044—Internal reflections (echoes), e.g. on walls or defects
    • 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
    • G01N2291/10—Number of transducers
    • G01N2291/102—Number of transducers one emitter, one receiver
    • 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
    • G01N2291/26—Scanned objects
    • G01N2291/269—Various geometry objects
    • G01N2291/2693—Rotor or turbine parts

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)
DK248382A 1981-06-11 1982-06-02 Ikke destruktiv materialeproevning af generator-rotortaender ved hjaelp af ultralyd DK248382A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH382381 1981-06-11

Publications (1)

Publication Number Publication Date
DK248382A true DK248382A (da) 1982-12-12

Family

ID=4264232

Family Applications (1)

Application Number Title Priority Date Filing Date
DK248382A DK248382A (da) 1981-06-11 1982-06-02 Ikke destruktiv materialeproevning af generator-rotortaender ved hjaelp af ultralyd

Country Status (5)

Country Link
US (1) US4457176A (da)
EP (1) EP0068521B1 (da)
CA (1) CA1184648A (da)
DE (1) DE3272530D1 (da)
DK (1) DK248382A (da)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3318748A1 (de) * 1983-05-24 1984-11-29 Kraftwerk Union AG, 4330 Mülheim Verfahren zur ultraschallpruefung von auf wellen aufgeschrumpften scheibenkoerpern im bereich der schrumpfsitze und einrichtung zur durchfuehrung des verfahrens
DE3530595A1 (de) * 1985-08-27 1987-03-05 Kraftwerk Union Ag Verfahren und einrichtung zur ultraschallpruefung einer turbinenschaufel auf anrisse im schaufelfuss
JP2617945B2 (ja) * 1987-08-14 1997-06-11 矢吉 肥後 接合部の非破壊検査方法
US5280724A (en) * 1989-06-22 1994-01-25 Nissan Motor Co., Ltd. Ultrasonic inspection method for detecting defects in solid objects
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
AU750458B2 (en) * 1998-03-03 2002-07-18 Sensotech Ltd. Ultrasonic transducer
GB2356048A (en) * 1999-08-18 2001-05-09 Peter Edward Sharp Acoustic on-line condition monitoring of a machine part
US6608478B1 (en) * 2001-12-07 2003-08-19 General Electric Company Rotor slot bottom inspection apparatus and method
US6912905B2 (en) * 2003-07-11 2005-07-05 Siemens Westinghouse Power Corporation Automated tool for ultrasonic inspection of brazed joints
US7275442B2 (en) * 2005-04-21 2007-10-02 General Electric Company Method for ultrasonic inspection of generator field teeth
US7275441B2 (en) * 2005-04-21 2007-10-02 General Electric Company Method for ultrasonic inspection of generator field teeth
US7500396B2 (en) * 2005-10-20 2009-03-10 General Electric Company Phased array ultrasonic methods and systems for generator rotor teeth inspection
JP4834402B2 (ja) * 2005-12-28 2011-12-14 株式会社東芝 回転電機ロータのき裂補修方法、回転電機ロータのき裂進展防止方法、回転電機ロータおよび回転電機
EP2040070B1 (en) * 2007-09-18 2015-12-02 Alstom Technology Ltd Method and apparatus for the detection of cracks in the teeth of generator rotors
JP5065846B2 (ja) * 2007-10-12 2012-11-07 株式会社東芝 タービン発電機エンドリングの欠陥検出方法
JP5112190B2 (ja) * 2008-06-26 2013-01-09 株式会社東芝 探傷試験方法
DE102010040856A1 (de) * 2010-09-16 2012-03-22 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur Ermittlung einer Orientierung eines innerhalb eines mechanischen Bauteils bestehenden Defektes
JP5822616B2 (ja) * 2011-09-20 2015-11-24 三菱重工業株式会社 ロータディスクの翼溝部の探傷装置及びロータディスクの翼溝部の探傷装置を用いた探傷方法
JP6014525B2 (ja) * 2013-03-22 2016-10-25 Ｊｆｅスチール株式会社 超音波探傷の探触子および超音波探傷方法
CN104777238B (zh) * 2015-04-10 2017-08-15 上海和伍精密仪器股份有限公司 一种低压电器电触点超声波无损检测用测试块及标定方法
JP6896170B2 (ja) * 2018-05-25 2021-06-30 三菱電機株式会社 ロータティースクラック検査方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1074289B (de) * 1954-02-04 1960-01-28 Realisations Ultrasomques Societe a Responsabilite Limitee Samt-Maur Seme (Frankreich) Einrichtung zur zersto rungsfreien Prüfung von Werkstucken durch Ultraschallimpulse
US3332278A (en) * 1963-07-15 1967-07-25 American Mach & Foundry Ultrasonic flaw detection
US3712119A (en) * 1970-01-30 1973-01-23 Automation Ind Inc Material tester
US3962908A (en) * 1974-02-25 1976-06-15 Joy Ivan L Transducer arrangement for ultrasonic rail tester coupling carriages
FR2404851A1 (fr) * 1977-09-28 1979-04-27 Nuclear Power Co Ltd Procede et appareillage pour le controle d'articles metalliques par ultra-sons

Also Published As

Publication number Publication date
EP0068521A1 (de) 1983-01-05
EP0068521B1 (de) 1986-08-13
US4457176A (en) 1984-07-03
CA1184648A (en) 1985-03-26
DE3272530D1 (en) 1986-09-18

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AHS Application shelved for other reasons than non-payment