METHOD FOR PROCESSING WELDED METALWORK JOINTS BY HIGH-FREQUENCY HUMMERING

The inventive method relates to reinforcing treatment of welded metalwork joints using a power ultrasound. Said method can be used for mechanical engineering, shipbuilding, bridge engineering and other branches of industry and construction producing welded structures which can be safely used at cond...

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Bibliographische Detailangaben
Hauptverfasser:	KLEIMAN, JAKOB ISAKOVICH, KUDRYAVTSEV, YURIY FILIPOVICH, LOBANOV, LEONID MIKHAYLOVICH, KNYSH, VITALIY VASILIYEVICH, MORDYUK, BOGDAN NIKOLAYEVICH, PROKOPENKO, GEORGIY IVANOVICH, MIKHEEV, PAVEL PETROVICH
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS
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Beschreibung
Zusammenfassung:	The inventive method relates to reinforcing treatment of welded metalwork joints using a power ultrasound. Said method can be used for mechanical engineering, shipbuilding, bridge engineering and other branches of industry and construction producing welded structures which can be safely used at conditions of static, dynamic and repeated-variable loading. The inventive method consists in specifying the method for calculating normalised residual compressive stresses to be produced by an ultrasound impact processing. Said stresses are related to the geometrical dimensions of a groove formed when t he area disposed along a line between the joint and a base metal is treated. Sa id invention makes it possible to maximally increase the fatigue limit and the cyclic life duration of welded joints.