A NEW PRINCIPLE OF EQUIPMENT FOR THE HARDENING OF TOOLS AND DIES (CROSBI ID 517251)
Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Stupnišek, Mladen ; Kostanjski, Željko ; Lisac, Rene
engleski
A NEW PRINCIPLE OF EQUIPMENT FOR THE HARDENING OF TOOLS AND DIES
A technological analysis of the vacuum furnace application for hardening of tools and dies with respect to heating and quenching requirements has been performed. It was noted that in modern vacuum furnaces the hardening process is performed mainly under gas atmosphere but under vacuum conditions only at the beginning during air evacuation. Analyses show that the hypereutectoid carbide precipitation cannot be avoided due to the insufficiently fast cooling in the high pressure gas quenching. A design of an integral quench furnace with a closed system of introducing the noble gas, i.e. argon or helium, and of quenching in a hot oil bath has been developed. The new design reduces the possibility of carbide precipitation and also reduces thermal stresses applying thermal hardening.
Hardening; Tool steels; Oxidation; Decarburization; Nitrogen absorption; Noble gas; Carbide precipitation; Thermal hardening
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Podaci o prilogu
241-248-x.
2006.
objavljeno
Podaci o matičnoj publikaciji
PROCEEDINGS OF 7TH INTERNATIONAL TOOLING CONFERENCE
MARIO, ROSSO, M. ACTIS, GRANDE, DANIEL, UGUES
Torino: POLITECNICO DI TORINO, ITALY
Podaci o skupu
TOOLING MATERIALS AND THEIR APPLICATIONS FROM RESEARCH TO MARKET
predavanje
02.05.2006-05.05.2006
Torino, Italija