Page 181 - Materials Chemistry, Second Edition
P. 181
168 3 Metals
Figure 3.6. Melt composition within the basic oxygen furnace. Data courtesy of Severstal Steel,
Dearborn, MI.
Figure 3.7. Degassing unit used to remove carbon as COx gas under vacuum. Image courtesy of Severstal
Steel, Dearborn, MI.
from the mold, allowing one to control the number of strains and dislocations
formed during solidification. After the slabs are cut to the desired lengths, they are
00
transferred to the hot rolling facility (Figure 3.9), where the original ca.8 30 0
0
00
slabs are reduced to 0.1 3,000 . During hot rolling, refinement of the microstruc-
ture (e.g., phase transitions, precipitate formation, grain size alteration, etc.) takes
