Limestone was used to modify the fluxing action of two potash feldspars (a pure potash feldspar and a soda-potash feldspar) labeled P and C, respectively, in the formulation of porcelain stoneware based on Cameroonian raw materials. The effect of limestone addition (0–10 mass%) was investigated in the range of sintering temperature between 1125 and 1300 °C. Characterization of sintered samples including thermal behavior (DTA, TG and dilatometry test), phase evolution, densification parameters, flexural strength, morphology as well as pores structure was investigated in details. The maximum flexural strength (138 MPa) was obtained at 1175 °C with P series (7 mass% addition of limestone) and at 1200 °C (122 MPa) for C series. The maximum density (≈ 3.1 g cm−3) and lower water absorption (≈ 0%) were obtained at 1200 °C. Mullite and anorthite were identified as main crystalline phases. Starting from 1175 °C and mostly at 1200 °C, the two series compositions (with 7 mass% addition) presented a self-glazing phenomenon which gave them significant brightness and high aesthetic quality; these properties were accomplished only at 1300 °C for reference samples with no lime addition (P0 and C0). A proper addition of limestone (3–7 mass%) with potash feldspar significantly reduced the sintering temperature (~ 150 °C) and permits the production of high strength (122–138 MPa), low energy and sustainable porcelain stoneware.
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Dondi M, Ercolani G, Melandri C, Mingazzini C, Marsigli M. The chemical composition of porcelain stoneware tiles and its influence on microstructural and mechanical properties. Int Ceram Rev. 1999;48(2):75–83.
Martin Marquez J, Rincon JM, Romero M. Mullite development on firing in porcelain stoneware bodies. J Eur Ceram Soc. 2010;30:1599–607.
ISO/FDIS 13006: ceramics tiles. Definition, classification, characteristic, marking. ISO/TC 189; 1998.
Akpinar S, Evcin A, Ozdemir O. Effect of calcinated colemanite addition on the properties of hard porcelain stoneware tiles. Ceram Int. 2017;43:8364–71.
Editz N, Yurdakal A. Characterization of porcelain tiles bodies with colemanite waste added as new sintering agent. J Ceram Process Res. 2009;10(4):414–22.
Iqbal Y. On the glassy phase in tri-axial porcelain bodies. J Pak Mater Soc. 2008;2(2):62–71.
Bragança SR, Bergmann CP. Waste glass in porcelain. Mater Res. 2005;8(1):39–44.
Koca Ç, Karakus N, Toplan N, Toplan HO. Use of borosilicate glass waste as a fluxing agent in porcelain bodies. J Ceram Process Res. 2012;13(6):693–8.
Dana K, Das SK. Partial substitution of feldspar by B.F. slag in triaxial porcelain: phase and microstructural evolution. J Eur Ceram Soc. 2004;24:3833–9.
Siddiqui AR, Pal M, Bhattacharya D, Das SK. Iron and steel slag: an alternative source of raw materials for porcelain ceramics. Glob NEST J. 2014;16(4):587–96.
Boussak H, Chemani H, Serier A. Characterization of porcelain tableware formulation containing bentonite clay. Int J Phys Sci. 2014;10(1):38–45.
Karamanov A, Karamanova E, Ferrari AM, Ferrante F, Pelino M. The effect of fired scrap addition on the sintering behaviour of hard porcelain. Ceram Int. 2005;32:727–32.
Marquez JM, De la Torre AG, Aranda MAG, Rićon JM. Evolution with temperature of crystalline and amorphous phases in porcelain-stoneware. J Am Ceram Soc. 2009;92(1):229–34.
Chaudhuri SP, Sarkar P. Constitution of porcelain before and after heat treatment. I: mineralogical composition. J Eur Ceram Soc. 1995;15(10):1031–5.
Deutou NJG, Beda T, Biesuz M, Boubakar L, Melo UC, Kamseu E, Sglavo VM. Design and characterization of porous mullite based semi-vitrified ceramics. Ceram Int. 2018;44:7939–48.
Deutou JGN, Mohamed H, Nzeukou NA, Kamseu E, Melo UC, Beda T, Leonelli C. The role of kyanite in the improvement in the crystallization and densification of the high strength mullite matrix: phase evolution and sintering behaviour. J Therm Anal Calorim. 2016;126:1211–22.
Kamseu E, Deutou NJG, Nzeukou NA, Melo UC, Magdalena LG, Sglavo VM, Beda T, Lionelli C. The role of kyanite in the crystallization and densification of the high strength mullite matrix composites: Microstructure and mechanical properties. J Therm Anal Calorim. 2018;131:969–82.
Njoya D, Hajjaji M, Nkoumbou C, Elimbi A, Kwekam M, Njoya A, Yvon J, Njopwouo D. Chemical and mineralogical characterization and ceramic suitability of raw feldspathic materials from Dschang (Cameroon). Bull Chem Soc Ethiop. 2010;24(1):39–46.
Elimbi A, Njopwouo D, Lamilen D, Chinje Melo U. Caractérisation chimico-minéralogique et comportement thermique de trois matériaux feldspathiques camerounais utilisables comme fondants en céramique. Silic Ind. 2005;70(11–12):167–73.
Kamseu E, Leonelli C, Boccaccini DN, Veronesi P, Miselli P, Pellacani GC, Chinje Melo U. Characterization of porcelain compositions using two china clays from Cameroon. Ceram Int. 2007;33:851–7.
Leonelli C, Elie Kamseu U, Melo C, Anna Corradi G, Pellacani C. Mullitisation behavior during thermal treatment of three kaolinitic clays from Cameroon: densification, sintering kinetic and microstructure. Interceram. 2008;57(6):396–401.
Tchakounte Bakop T, Tene Fongang RT, Melo UC, Kamseu E, Miselli P, Leonelli C. Sintering behavior of two porcelainized stoneware compositions using pegmatite and nepheline syenite minerals. J Therm Anal Calorim. 2013;114:113–23.
ASTM 373-88: Standard test method for water absorption, bulk density, apparent porosity, and apparent specific gravity of fired whiteware products. 2006.
F394-78: Standard test method for biaxial flexural strength (modulus of rupture) of ceramics substrates. West Conshohoken: American Society for Testing and Materials; 1996.
Kiyoshi O, Nozomu O, Ossaka J. Characterization of spinel phase formed in the kaolin-mullite thermal sequence. J Am Ceram Soc. 1986;69:C-251.
Romero M, Perez J. Relation between the microstructure and technological properties of porcelain stoneware, a review. Mater Construct. 2015;65(320):e065. https://doi.org/10.3989/mc.2015.05915.
De la Torre AG, Aranda MAG, Rincon JM. Evolution with temperature of crystalline and amorphous phase in porcelain stoneware. J Am Ceram Soc. 2009;92(1):229–34.
Iqbal Y, Lee EJ. Microstructural evolution in triaxial porcelain. J Am Ceram Soc. 2000;83(12):3121–217.
Carty WM, Senapati U. Porcelain raw materials, processing, phase evolution and mechanical behavior. J Am Ceram Soc. 1998;81(1):3–20.
Rouabhia F, Nemamcha A, Moumeni H. Elaboration and characterization of mullite-anorthite-albite porous ceramics prepared from Algerian kaolin. Cerâmica. 2018;64:126–32.
Lira C, Fredel MC, Da Silveira MDM, Alarcon OE. Effect of carbonates on firing shrinkage and on moisture expansion of porous ceramic tiles. In: QUALIcer 98: World Congress on ceramics tiles quality, Castellon/Spain; 1998
Oluseyi AK, Atul M, Das SK. Effect of substitution of soda-lime scrap glass for K-feldspar in triaxial porcelain ceramic mix. Refract Man. 2013;1(2):299–303.
Ke S, Cheng X, Wang Y, Wang Q, Wang H. Dolomite, wollastonite and calcite as different sources in anorthite-based porcelain. Ceram Int. 2013;39:4953–60.
Kamseu E, Bakop T, Djangang C, Melo UC, Hanuskova M, Leonelli C. Porcelain stoneware with pegmatite and nepheline syenite solid solutions: pores size distribution and descriptive microstructure. J Eur Ceram Soc. 2013;33:2775–844.
The authors are grateful to the Local Material Promotion Authority (MIPROMALO) for financially supporting this project through it Research program and the Dipartimento di Ingegneria Industriale of Trento’s University/Italy for the opportunity and facilities given for characterization, and they are also grateful to the staff of the Laboratory of Ceramics and Glass of Trento’s University for their availability.
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Mbakop, T.T., Deutou, J.G.N., Boubakar, L. et al. Enhancing the crystallization phenomena and strength of porcelain stoneware: the role of CaO. J Therm Anal Calorim (2020). https://doi.org/10.1007/s10973-020-09323-5
- Porcelain stoneware