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Díaz-Cedré, Eduardo
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Publications (2/2 displayed)
- 2012Efecto de la adición de caliza sobre el metal depositado por arco sumergido
- 2010Influencia de la cantidad de O2 adicionado al CO2 en el gas de protección sobre la microestructura del metal depositado en uniones soldadas de bordes rectos en aceros de bajo contenido de carbono con el proceso GMAW Influence of O2 content, added to CO2 in the shielding gas, on the microstructure of deposited metal in butt welded joint with straight edges, in low carbon steels using GMAW processcitations
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article
Efecto de la adición de caliza sobre el metal depositado por arco sumergido
Abstract
This work presents an evaluation of the effects of increasing limestone additions in obtaining a manganese flux on the composition of the weldmetal deposited by submerged arc welding. The limestone was added maintaining the MnO/SiO ratio of the flux oxide system constant. As a result of an increase in basicity the thermodynamic activity of the MnO increased while that of the SiO2 decreased, contributing to the transfer of Mn to the deposited metal and reducing the transfer of silicon, sulphur, phosphorus and carbon remain basically invariable. With this, it is possible to use a wire with low manganese content during submerged arc welding of low alloy steels.