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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Petrov, R. H. | Madrid |
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| Azam, Siraj |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Gómez-Pérez, Carlos R.
in Cooperation with on an Cooperation-Score of 37%
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Publications (4/4 displayed)
- 2018Balances de masa y calores de reacción para evaluar la extracción de vanadio a partir de catalizadores agotados en el proceso de obtención de ácido sulfúrico
- 2018Obtención en horno eléctrico de arco de aleaciones del sistema Fe-Mn-Cr-C y escorias destinadas al desarrollo de consumibles de soldadura
- 2012Efecto de la adición de caliza sobre el metal depositado por arco sumergido
- 2004Reducción carbotérmica de pirolusita para la obtención de ferromanganeso y escoria, adecuados al desarrollo de materiales de soldadura
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article
Obtención en horno eléctrico de arco de aleaciones del sistema Fe-Mn-Cr-C y escorias destinadas al desarrollo de consumibles de soldadura
Abstract
The production of chromium manganese ferroalloys for the use in the development of alloying loads of welding consumables is presented. On the basis of variations in the proportions of the chromium and manganese minerals in the loads, different combinations are established, which allow obtaining multicomponent ferroalloys with composition ranging from 9 to 32 % chromium and from 24 to 65 % manganese. The melting-reduction process is carried out in an electric arc furnace with a graphite crucible and with the presence of coke as a reducing component which guarantees the obtaining of high carbon alloys (5?6 %). The use of the multicomponent ferroalloy in the formulation of welding consumables simplifies and makes cheaper the obtaining of these materials. As result of metallurgical processing, slag formed by the silicon, aluminum, magnesium, manganese and calcium oxides are obtained, which are feasible to use in the production of flux matrices for submerged arc welding process.