摘要：

Steellag isyproductfheteelmakingndteelefining processes.his paper providesnverviewfhe differentypesfteellaghatre generatedromasic-oxygen-furnace (BOF)teelmaking, electric-arc-furnace (EAF)teelmaking,nd ladle-furnaceteelefining processes.heineralogicalndorphological propertiesfOFnd electric-arc-furnace-ladle [EAF(L)]lagamples generatedromwoteel plants in Indiana were determinedhrough X-Ray Diffraction (XRD)nalysesndcanning Electronicroscopy (SEM)tudies.he XRD patternsfothOFnd EAF(L)lagamples were veryomplex, witheveralverlapping peaksesultingromheanyinerals present inheseamples.he XRDnalyses indicatedhe presencefreegOndaO inothheOFnd EAF(L)lagamples.EMicrographshowedhatheajorityfheand-sizeteellag particlesadubangularongularhapes. Veryoughurfaceextures with distinctrystaltructures werebservednheandsize particlesfOFnd EAF(L)lagamplesnderEM.heharacteristicsfheteellagamplesonsidered inhistudyre discussed inheontextf detailedeviewfteellag properties.

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