TY - JOUR T1 - Estimating the reduction of the firing temperature produced by the addition of energetic fluxes in porcelain tiles through the Fluegel’s model JO - Cerâmica A1 - Contartesi, F. A1 - Melchiades, F. G. A1 - Boschi, A. O. SN - 0366-6913 UL - 10.1590/0366-69132019653762760 VL - 65 Y1 - 2019 PB - Brasil ER -