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AbstractAbstract
[en] Weldings and the adjacent heat-affected zones of reactor vessels are inspected. The inspection is performed by means of search units containing three or multiple crystals in emitter-receiver technique with longitudinal or transverse waves. The three- or multi-crystal search unit may also be applied in tandem technique. Meandering sweeps with 20 mm distance of inspection may be obtained. (DG)
[de]
Untersucht werden Schweissnaehte und die angrenzenden Waermeeinflusszonen an RDBs. Die Untersuchung erfolgt mittels Drei- bzw. Mehrschwinger-Pruefkoepfen in SEL-Technik mit Longitudinalwellen oder Transversalwellen. Der Drei- bzw. Mehrschwingerpruefkopf kann auch in Tandemtechnik angewandt werden. Es sind Maeander-Pruefspuren mit 20 mm Pruefabstand erreichbar. (DG)Original Title
Einrichtung zur volumetrischen Ultraschall-Pruefung der Waende von Behaeltern und Rohren
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2 Aug 1979; 12 p; DE PATENT DOCUMENT 2732090/B/
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AbstractAbstract
[en] The ultrasonic testing system serves to inspect welds and the adjoining heat-affected zones on reactor pressure vessels. The three-oscillator search unit has got either two external emitter crystal oscillators simultaneously loaded and an internal receiver crystal oscillator of equal width or vice versa. The inspection path is run through meanderingly. With the search unit there is succeeded to do the inspection by SEL technique, by SE technique with shear waves or by tandem technique. Loading of the oscillators is done with a time-multiplex method. (RW)
[de]
Das Ultraschall-Pruefsystem dient der Untersuchung von Schweissnaehten und der angrenzenden Waermeeinflusszonen bei Druckbehaeltern von Reaktoren. Der Dreischwinger-Pruefkopf weist entweder zwei gleichzeitig beaufschlagte aeussere Sender-Schwingkristalle und einen inneren, gleichbreiten Empfaenger-Schwingkristall oder umgekehrt auf. Die Pruefspur wird maeanderfoermig abgefahren. Mit dem Pruefkopf gelingt eine Pruefung in SEL-Technik, in SE-Technik mit Transversalwellen oder in Tandemtechnik. Die Beaufschlagung der Schwinger erfolgt mit einem Zeitmultiplex-Verfahren. (RW)Original Title
Ultraschallpruefeinrichtung
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Source
25 Jan 1979; 15 p; DE PATENT DOCUMENT 2732090/A/
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Patent
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Gutmann, G.; Engl, G.
Krautkraemer G.m.b.H., Koeln (F.R. Germany); Kraftwerk Union A.G., Erlangen (F.R. Germany)
Krautkraemer G.m.b.H., Koeln (F.R. Germany); Kraftwerk Union A.G., Erlangen (F.R. Germany)
AbstractAbstract
[en] The safety of nuclear installations requires continuous safety inspections during construction and operation. Essential parts of this safety inspection are the basis and in-line inspections. For this purpose installation systems are used which allow an optimal statement to be made regarding the conditions of tested components
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1976; 3 p; 8. World conference on nondestructive testing; Cannes, France; 6 Sep 1976
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Report
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AbstractAbstract
No abstract available
Original Title
Anwendungstechnische Untersuchungen zum Leistungsvermoegen der akustischen Linienholografie
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Source
Deutsche Gesellschaft fuer Zerstoerungsfreie Pruefung e.V., Berlin (Germany, F.R.); 74 p; 1982; vp; Annual meeting of the Deutsche Gesellschaft fuer Zerstoerungsfreie Pruefung e.V; Saarbruecken (Germany, F.R.); 17 - 19 May 1982; Published in summary form only.
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Miscellaneous
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Seiger, H.; Engl, G.
Krautkraemer G.m.b.H., Koeln (F.R. Germany); Kraftwerk Union A.G., Erlangen (F.R. Germany)
Krautkraemer G.m.b.H., Koeln (F.R. Germany); Kraftwerk Union A.G., Erlangen (F.R. Germany)
AbstractAbstract
[en] The development of an ultrasonic testing method for the inspection from the outside of the areas close to the cladding of the spherical fields of holes of light water reactor pressure vessels is described
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Source
1976; 7 p; 8. World conference on nondestructive testing; Cannes, France; 6 Sep 1976
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Report
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Engl, G.; Kronig, M.
The complementary roles of fracture mechanics and non-destructive examination in the safety assessment of components
The complementary roles of fracture mechanics and non-destructive examination in the safety assessment of components
AbstractAbstract
[en] This document deals with Non-Destructive Examination (NDE) techniques used for the detection and sizing of cracks. Several techniques, such as L-SAFT, ALOK and Phased Array with UT-Tomography are discussed and compared. (TEC)
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Nuclear Energy Agency, 75 - Paris (France). Committee on the Safety of Nuclear Installations; 526 p; 1988; p. 275-280; Workshop on the complementary roles of fracture mechanics and non-destructive examination in the safety assessment of components; Wuerenlingen (Switzerland); 3-5 Oct 1988
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AbstractAbstract
[en] The ultrasonic probe assembly is used to examine materials, e.g., the bolts of the pressure vessel of a PWR power reactor of 1,000 MWe, to detect cracks and voids. It consists of an oblong carrier tube, which can be moved by means of a manipulator, with several test heads attached to it. They are arranged at various levels above each other relative to the longitudinal axis of the carrier. Their mean beam directions may enclose an angle of 90 degrees. The individual test heads are sequentially assigned transmitter and receiver functions by an ultrasonic unit. The signals from each individual test head must be detected separately. In this way, it is possible to shorten the time required for materials examinations by using a multiplicity of test heads. (DG/RF)
[de]
Die Ultraschallsondenanordnung dient der Untersuchung von Materialien, z.B. der Schrauben des Druckbehaelters eines DWLR von 1.000 MWe, auf Risse und Lunker. Sie umfasst einen laenglichen Traegerrohrkoerper, der mittels Manipulator bewegt werden kann, mit mehreren Pruefkoepfen. Sie sind im mehreren Ebenen bezueglich der Traegerlaengsachse uebereinander verteilt. Ihre Hauptstrahlrichtungen koennen einen Winkel von 900 miteinander einschliessen. Die einzelnen Pruefkoepfe werden zeitlich aufeinanderfolgend von einem Ultraschallgeraet mit Sende- und Empfangsfunktion beaufschlagt. Die Signale jedes einzelnen Pruefkopfes sind gesondert zu erfassen. Somit kann durch die Verwendung einer Mehrzahl von Pruefkoepfen die Materialuntersuchungszeit verkuerzt werden. (DG)Original Title
Ultraschallsonde zur Materialpruefung
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Source
7 Aug 1975; 9 p; DE PATENT DOCUMENT 2403635/A/; 4 figs.
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Patent
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AbstractAbstract
No abstract available
Original Title
Untersuchungen zur Ultraschall-Einkopftechnik bei Schraegeinstellung auf senkrecht zur Oberflaeche verlaufende Fehler
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Deutsche Gesellschaft fuer Zerstoerungsfreie Pruefung e.V., Berlin (Germany, F.R.); vp; 1983; vp; Jubilee meeting: 50 years of DGZfP. Lecture meeting on non-destructive testing: Past, present, future; Berlin (Germany, F.R.); 8-12 May 1983; Available from Fachinformationszentrum Energie, Physik, Mathematik, Karlsruhe (Germany, F.R.); Published in summary form only.
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AbstractAbstract
No abstract available
Original Title
Mechanisierte Ultraschallpruefung der Speisewasserstutzen eines Siedewasserreaktors
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Source
Deutsche Gesellschaft fuer Zerstoerungsfreie Pruefung e.V., Berlin (Germany, F.R.); 74 p; 1982; vp; Annual meeting of the Deutsche Gesellschaft fuer Zerstoerungsfreie Pruefung e.V; Saarbruecken (Germany, F.R.); 17 - 19 May 1982; Published in summary form only.
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AbstractAbstract
No abstract available
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Deutsche Gesellschaft fuer Zerstoerungsfreie Pruefung e.V., Berlin (Germany, F.R.); 79 p; 1981; vp; 4. international conference on nondestructive evaluation in nuclear industry; Lindau, Germany, F.R; 25 - 27 May 1981; Available from Fachinformationszentrum Energie, Physik, Mathematik, Karlsruhe, Germany, F.R; Published in summary form only.
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