Home FOR AUTHORS Kovove Materialy-Metallic Materials 2021 Kovove Materialy-Metallic Materials Vol. 59 (2021), no. 3, pp.187–194

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Kovove Materialy-Metallic Materials Vol. 59 (2021), no. 3, pp.187–194

Title: Effect of mill scale usage on thermodynamic modeling and metallothermic production of FeMn alloys
Author: M. Bugdayci
Abstract: Ferromanganese (FeMn) is an alloy that is generally used to increase the wear resistance of steels and can be produced with high energy systems. In this study, the material produced by the metallothermic reduction method and a serious energy saving is achieved. In studies conducted for FeMn production, optimum recovery conditions were determined for varying aluminum stoichiometries. In addition, mill scale was used as a source to obtain the Fe structure in the alloy, and waste material was evaluated. In addition, magnetite was used as a source of iron oxide, and the recovery values of these products were compared with the mill scale. The characterization of the produced materials was determined by XRD, optical microscope and hardness methods. According to the results, the highest recovery is 110 % Al stoc. with magnetite, 98.58 % for Fe, and 85 % for Mn. The hardness value of the same sample gave the highest result with 64.65 HRC.
Keywords: FeMn, mill scale, recycling, metallothermic reduction, combustion synthesis, thermodynamic modeling
Published online: 08-Jul-2021
Year: 2021, Volume: 59, Issue: 3 Page From: 187, Page To: 194
doi:10.4149/km_2021_3_187
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