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Process-time Optimization of Vacuum Degassing Using a Genetic Alloy Design Approach.


ABSTRACT: This paper demonstrates the use of a new model consisting of a genetic algorithm in combination with thermodynamic calculations and analytical process models to minimize the processing time during a vacuum degassing treatment of liquid steel. The model sets multiple simultaneous targets for final S, N, O, Si and Al levels and uses the total slag mass, the slag composition, the steel composition and the start temperature as optimization variables. The predicted optimal conditions agree well with industrial practice. For those conditions leading to the shortest process time the target compositions for S, N and O are reached almost simultaneously.

SUBMITTER: Dilner D 

PROVIDER: S-EPMC5456423 | biostudies-other | 2014 Dec

REPOSITORIES: biostudies-other

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