Steel-making process is a complex procedure involving the presence of exogenous materials which could potentially lead to non-metallic inclusions. Determining the abundance of inclusions in the earliest stage possible may help to reduce costs and avoid further post-processing manufacturing steps to alleviate undesired effects. This paper presents a data analysis and machine learning approach to analyze data related to austenitic stainless steel (Type 304L) in order to develop a decision-support tool helping to minimize the inclusion content present in the final product. Several machine learning models (generalized linear models with regularization, random forest, artificial neural networks and support vector machines) were tested in this analysis. Moreover, two different outcomes were analyzed (average and maximum abundance of inclusions per steel cast) and two different settings were considered within the analysis based on the input features used to train the models (full set of features and more relevant ones). The results showed that the average abundance of inclusions can be predicted more accurately than the maximum abundance of inclusions using linear models and the reduced set of features. A list of the more relevant features linked to the abundance of inclusions based on the data and models used in this study is additionally provided.
CITATION STYLE
Mesa, H., Urda, D., Ruiz-Aguilar, J. J., Moscoso-López, J. A., Almagro, J., Acosta, P., & Turias, I. J. (2019). A Machine Learning Approach to Determine Abundance of Inclusions in Stainless Steel. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 11734 LNAI, pp. 504–513). Springer Verlag. https://doi.org/10.1007/978-3-030-29859-3_43
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