Method of explosive hardening a cast portion of acute angle frogs of railroad switches

A method of explosive hardening a cast portion of acute angle railroad frogs of high-manganese steel residing in that a charge of sheet explosive is placed on the roll surface and side surfaces of a core 1 and guard rails 3 of this cast portion in the area where train wheels roll on the frog element...

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Bibliographische Detailangaben
Hauptverfasser:	KONSTANTIN IVANOVICH KRASIKOV, EVGENY EVGENIEVICH ZUBKOV, ALEXANDR VASILIEVICH VODYANOV, ANDREI ANDREEVICH DERIBAS, ALEXANDR GRIGORIEVICH TSARENKO, NIKOLAI NIKITOVICH PUTRYA, VLADIMIR ALEXANDROVICH PRYAKHIN, TATYANA MAXIMOVNA SOBOLENKO, ROMAN ZAKHAROVICH KATS
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	A method of explosive hardening a cast portion of acute angle railroad frogs of high-manganese steel residing in that a charge of sheet explosive is placed on the roll surface and side surfaces of a core 1 and guard rails 3 of this cast portion in the area where train wheels roll on the frog elements, and the charge is detonated to attack the surfaces by a slanted detonation wave front with a pressure of 50x10 to 250x10 Pa to act on said surfaces during 10 to 10 sec.