RESEARCH OF INJECTION METHODS FOR Y2O3 NANOPARTICLES INTO NICKELFREE STAINLESS STEEL DURING INDUCTION VACUUM REMELTING
Panichkin A. Popov F. Lutchenko N. Beldeubayev A. Samokhvalov I. Arbuz A.
2024University of Chemical Technology and Metallurgy
Journal of Chemical Technology and Metallurgy
2024#59Issue 1173 - 182 pp.
Investigation of the possibility of obtaining an oxide-dispersed strengthening steel alloy based on 5 different ways of fine-dispersed strengthening particles Y2O3 injection into the liquid phase of steel Fe-13Cr (wt. %) in a vacuum. For this purpose, were conducted 5 series of experiments with different conditions and regimes. 2 series of 5 melts were carried out to evaluate the possibility of mechanical injection of yttrium oxide in the melt with different entry conditions. 3 series of 5 melts were conducted to evaluate the possibility of oxidation of metallic yttrium in the melt with the formation of yttrium oxide particles. Either melt residence or residual pressure in the furnace chamber was varied in different series. The results of ingot analysis on XRF, ICP-AES, and EDS showed that significant amounts of yttrium oxide were not injected. The method with oxidation of metallic yttrium in the melt from the reduction of specially added iron oxide with a concentration of 0.0552 ppm showed the best result.
induction furnace , ODS steel , yttrium oxide
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Institute of Metallurgy and Ore Beneficiation JSC, Satbayev University, 050010, 29/133 Shevchenko str., Almaty, Kazakhstan
Karaganda Industrial University, 30 Republic Ave Temirtau, 101400, Kazakhstan
AEO Nazarbayev University, 53 Kabanbay Batyr Ave Astana, 010000, Kazakhstan
Institute of Metallurgy and Ore Beneficiation JSC
Karaganda Industrial University
AEO Nazarbayev University
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