“…close to the same thermal history during casting. It has been claimed that the concentration of oxygen in the bottom cannot be directly related to the crucible material, as it is also affected by other casting parameters such as thermal gradient [15]. Given the different thermal conductivity of the silicon nitride and silica crucibles, different thermal gradients experienced by the charge at the beginning of solidification might be expected.…”
Section: Segregation Profile Along Ingot Heightmentioning
“…close to the same thermal history during casting. It has been claimed that the concentration of oxygen in the bottom cannot be directly related to the crucible material, as it is also affected by other casting parameters such as thermal gradient [15]. Given the different thermal conductivity of the silicon nitride and silica crucibles, different thermal gradients experienced by the charge at the beginning of solidification might be expected.…”
Section: Segregation Profile Along Ingot Heightmentioning
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