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Development of a Powder Metallurgy Technique for Introducing Synthetic Oxide Inclusions Into Liquid Steel
(
Room
411
)
06 May 19
3:00 PM
-
3:30 PM
Tracks:
Metallurgy - Steelmaking & Casting
Speaker(s):
Andrew Smith, Materials Processing Institute;
Tu Tran, Materials Processing Institute;
Fuzhong Ji, Materials Processing Institute;
Wouter Tiekink, Tata Steel;
Gert Abbel, Tata Steel;
Steve Verdier, Tata Steel Europe
Powder metallurgy has been used to distribute synthetic cerium oxide particles from 1-14 µm within a small-scale steel ingot. Induction furnace melting trials using 400 g of electrolytic iron and sintered ingot have been undertaken. Scanning electron microscopy analysis has characterized the synthetic inclusions. The size distribution and number of synthetic inclusions agreed well between the sintered ingot and trial ingot. The synthetic inclusions are homogeneously dispersed through the trial ingot with approximately 16 number counts/mm2. The work has also been upscaled to 1.5 kg. The method developed will be useful for studies into steel cleanness and grain refinement of high-value alloyed steels.
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