Characterization of a manganese ore to define the use in the fluxes synthesis for submerged arc welding
Keywords:Manganese ore, Submerged arc welding, Fused fluxes, MnO-Si02 system
Chemical analysis, thermal analysis (DTA and TG), phase determination by X-ray diffraction and granulometric analysis of the manganese ore from the location "Margarita de Cambute" in the eastern part of Cuba were carried out. Based on these characterization results, a flux synthesis strategy was established, comprising the definition, as a basic condition, of the MnO/ SiO2 range of values. This strategy was confirmed experimentally by obtaining a flux prototype in an electric arc furnace connected to direct current source and the carrying out of the flux in submerged arc welding tests.
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