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High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes
SJR: 0.176 SNIP: 0.48 CiteScore™: 1.3

ISSN 印刷: 1093-3611
ISSN オンライン: 1940-4360

High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes

DOI: 10.1615/HighTempMatProc.v3.i1.20
pages 17-24

SOME ASPECTS OF ALLOYING AND REFINING OF HIGH NITROGEN STEELS IN A PLASMA FURNACE UNDER ELEVATED PRESSURE

Wlodzimierz Derda
Metallurgy and Engineering Metrials Technical University of Czestochowa, Poland
Jerzy Siwka
Faculty of Metallurgy and Materials Engineering, Technical University of Czestochowa Al. Armii Krajowej 19, 42-200 Czestochowa, Poland
Jan Jowsa
Faculty of Metallurgy and Engineering Metrials Technical University of Czestochowa, Poland

要約

Experimental results of refining and nitriding of High Nitrogen Steels in an air-tight plasma furnace are presented. The one-stage Pressure Plasma Melting Process (PPMP) was realized under elevated pressure up to 0.5 MP a for a high Cr and Mn steel. Metallic calcium or CaF2-Ca alloy were used as the refining agent. The steel ingots cast under elevated pressure were hot forged to receive round bars and after their solutioning the samples were prepared to determine their mechanical properties.


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