Search Results - "Tomba Martinez, A.G."

Revisiting CA6 formation in cement-bonded alumina-spinel refractory castables by Tomba Martinez, A.G., Luz, A.P., Braulio, M.A.L., Sako, E.Y., Pandolfelli, V.C.

“…This work revisits the proposed mechanisms presented in the literature for CA6 formation in Al2O3-MgO and Al2O3-MgAl2O4 castables bonded with calcium aluminate…”
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Slag foaming practice in the steelmaking process by Luz, A.P., Tomba Martinez, A.G., López, F., Bonadia, P., Pandolfelli, V.C.

“…Slag engineering (i.e. conditioning and foaming practices) is becoming an essential issue in many companies due to the increasing need felt by the end-users to…”
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CA6 impact on the corrosion behavior of cement-bonded spinel-containing refractory castables: An analysis based on thermodynamic simulations by Tomba Martinez, A.G., Luz, A.P., Braulio, M.A.L., Pandolfelli, V.C.

“…This work focuses on the evaluation of the corrosion behavior of Al2O3–MgO cement-bonded castables based on thermodynamic calculations, in order to understand…”
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Al2O3-based binders for corrosion resistance optimization of Al2O3–MgAl2O4 and Al2O3–MgO refractory castables by Tomba Martinez, A.G., Luz, A.P., Braulio, M.A.L., Pandolfelli, V.C.

“…This work addresses the main aspects related to the use of alternative binders [hydratable (HA) or colloidal alumina (ColAlu)] in castables containing…”
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Impact of the reduction of graphite content in critical properties of MgO–C bricks for steelmaking industry by Moliné, M.N., Gass, S.E., Galliano, P.G., Gutiérrez-Campos, D., Tomba Martinez, A.G.

“…Nowadays, the use of lower amounts of graphite in MgO–C bricks for the steelmaking industry is motivated by several reasons, including the reduction of CO2…”
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Mechanical evaluation of cordierite precursor green bodies obtained by starch thermogelling by Sandoval, M.L., Pucheu, M.A., Talou, M.H., Tomba Martinez, A.G., Camerucci, M.A.

“…The mechanical behavior of green bodies (porous cordierite precursors) obtained from suspensions of kaolin, talc and alumina powders consolidated by starch…”
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Mechanical and thermal behavior of cellular mullite materials by Sandoval, M.L., Tomba Martinez, A.G., Camerucci, M.A.

“…•A deep study of the mechanical and thermal behavior for cellular mullite materials at different temperatures was presented in this paper.•The influence of the…”
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The effects of binder type combined with graphite content and the presence of aluminum on the characteristics of MgO–C bricks by Moliné, M.N., Gass, S.E., Galliano, P.G., Tomba Martinez, A.G.

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Characterization of alumina-magnesia-carbon refractory bricks containing aluminium and silicon by Calvo, W.A., Ortega, P., Velasco, M.J., Muñoz, V., Pena, P., Martinez, A.G. Tomba

“…The present paper is a continuation of previous ones focused on the characterization of alumina-magnesia-carbon refractories (AMC) bricks. Unlike those…”
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Influence of albumin and methylcellulose additives on the mechanical behaviour of mullite-based cellular green bodies by Sandoval, M.L., Tomba Martinez, A.G., Camerucci, M.A.

“…In this work, the influence of bovine serum albumin (BSA) and methylcellulose (MC) as processing additives on the mechanical behaviour of the mullite-based…”
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Análisis por elementos finitos de alúmina sometida a esfuerzos mecánicos y térmicos by Tomba Martinez, A.G., Cavalieri, A.L.

“…Disks of a commercial alumina were fabricated by slip casting, calcination and sintering. The surfaces were machined using SiC papers (120 and 320 grit) and…”
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Combined effects of the graphite content and addition of aluminum in the characteristics of resin-bonded MgO-C bricks by Gass, S.E., Calvo, W.A., Moliné, M.N., Galliano, P.G., Martinez, A.G. Tomba

“…MgO-C bricks used in the steelmaking industry are still attracting attention despite the large amount of research developed in relation to the most pressing…”
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Basic slag attack of spinel-containing refractory castables by Braulio, M.A.L., Martinez, A.G. Tomba, Luz, A.P., Liebske, C., Pandolfelli, V.C.

“…The better performance of spinel-containing refractory castables when in contact with basic slag is mainly associated with their higher corrosion resistance…”
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Slag attack evaluation of in situ spinel-containing refractory castables via experimental tests and thermodynamic simulations by Luz, A.P., Braulio, M.A.L., Tomba Martinez, A.G., Pandolfelli, V.C.

“…Although the in situ spinel formation in alumina–magnesia refractory castables induces an expansive behavior, many investigations highlight its positive role…”
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Thermodynamic evaluation of spinel containing refractory castables corrosion by secondary metallurgy slag by Luz, A.P., Martinez, A.G. Tomba, Braulio, M.A.L., Pandolfelli, V.C.

“…This work addresses the thermodynamic evaluation of different spinel-containing refractory castable compositions in contact with a basic steel ladle slag…”
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High-temperature mechanical behavior of cordierite-based porous ceramics prepared by modified cassava starch thermogelation by Sandoval, M. L., Camerucci, M. A., Tomba Martinez, A. G.

“…In this study, the high-temperature mechanical response of a cordierite-based porous material prepared by direct starch consolidation was evaluated. Disks were…”
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Creep behavior modeling of silica fume containing Al 2O 3–MgO refractory castables by Martinez, A.G. Tomba, Luz, A.P., Braulio, M.A.L., Pandolfelli, V.C.

“…Alumina–magnesia refractory castables usually present silica fume in their compositions, due to their ability to induce better flowability and to compensate…”
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Mechanical testing of cordierite porous ceramics using high temperature diametral compression by Sandoval, M. L., Talou, M. H., Tomba Martinez, A. G., Camerucci, M. A.

“…In this study, the high temperature mechanical behavior of cordierite porous disks prepared by the starch consolidation forming method was evaluated. In this…”
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Mechanical behaviour of MgO–C refractory bricks evaluated by stress–strain curves by Musante, L., Martorello, L.F., Galliano, P.G., Cavalieri, A.L., Tomba Martinez, A.G.

“…In this work, the mechanical behaviour of a set of resin- and pitch-bonded MgO–C refractories containing metallic additives was evaluated in laboratory tests…”
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Green mechanical evaluation of mullite porous compacts prepared by pre-gelling starch consolidation by Talou, M.H., Martinez, A.G. Tomba, Camerucci, M.A.

“…► Mullite green porous disks were prepared with cassava, corn and potato starches. ► Mechanical behavior of unburnt and burnt disks was evaluated in diametral…”
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