2003•Journal of University of Science and Technology BeijingRequires access

Composition Control of CaO-SiO_2-Al_2O_3-MgO Inclusion by Using Low Basic Top Slag for Tire Cord Steel in Laboratory

Jin Qingfeng

Abstract

The effect of top slag composition on MnO-Al2O3-SiO2 inclusion composition was studied by controlling the condition of deoxidization and the composition of top slag in an experimental furnace in which the tire cord steel were melt. The Al2O3 content in the inclusion increased with the Al2O3 content of top slag increasing while the basicity of top slag was within 0.7-1.36. Plastic MnO-Al2O3-SiO2 inclusion existed while the Al2O3 content of top slag was below 8%. The composition of MnO-Al2O3-SiO2 inclusion can be controlled within the plastic area by controlling the condition of deoxidization and the composition of top slag.

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Key concepts: Deoxidization, Inclusion (mineral), Slag (welding), Metallurgy, Materials science, Composition (language), Steelmaking, Chemical composition