METHOD FOR PRODUCING METALLIC SLEEVES WITH SUBMICRO- AND NANO-CRYSTALLINE STATES OF MATERIAL

FIELD: plastic working of metals, possibly manufacture of sleeves with fine crystalline structure. ^ SUBSTANCE: method comprises steps of simultaneously working inner and outer surfaces of hollow blank; working inner surface by multiple reciprocation axial motion of expanding punch; working outer su...

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Bibliographische Detailangaben
Hauptverfasser:	KOROTKIJ GENNADIJ PETROVICH, MALININ VLADISLAV GEORGIEVICH, GOLENKOV VJACHESLAV ALEKSANDROVICH, RADCHENKO SERGEJ JUR'EVICH, MALININ VLADIMIR VLADISLAVOVICH
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MANUFACTURE OR TREATMENT THEREOF MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS,MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES ASDISCRETE UNITS NANOTECHNOLOGY PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	FIELD: plastic working of metals, possibly manufacture of sleeves with fine crystalline structure. ^ SUBSTANCE: method comprises steps of simultaneously working inner and outer surfaces of hollow blank; working inner surface by multiple reciprocation axial motion of expanding punch; working outer surface by rolling around in roller die while fixing ends of blank and squeezing blank. ^ EFFECT: improved mechanical properties of ready articles, lowered metal consumption. ^ 1 dwg, 1 ex