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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

Stupnišek, Mladen ; Kostanjski, Željko ; Lisac, Rene A NEW PRINCIPLE OF EQUIPMENT FOR THE HARDENING OF TOOLS AND DIES // PROCEEDINGS OF 7TH INTERNATIONAL TOOLING CONFERENCE / MARIO, ROSSO, M. ACTIS, GRANDE, DANIEL, UGUES (ur.). Torino: POLITECNICO DI TORINO, ITALY, 2006. str. 241-248-x

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

Povezanost rada

Strojarstvo