Speaker
Description
Uphill casting is widely used to cast high quality ingots in order to reduce several defects coming from gas or solid trapped inclusions, inhomogeneity, holes consequent to the direct pour casting etc. Uphill casting reduce turbulence, improve slag removal by floating slag particles on the ingot top. Notwithstanding that, there are several reasons that can generate troubles in the final product with consequent technical and economic damages. Low or incorrect refractory qualities may release polluting parts to the final product, complicated shapes or layouts can reduce the casting speed and efficiency. Experience showed that the quality, shapes and layout of the caster refractories may affect the final products. Other possible analysis consist in:
- the use of post-mortem residual bones examinations to identify possible sources of defects
- casting simulations by means of Finite Elements Methods (F.E.M.) in order to develop better layouts and shapes to reduce potential defects.
This paper would like to resume these experimental approaches to promote new and more accurate systems to improve ingot quality with eventual use of AI.
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