COMPARATIVE STUDY OF TWO COMMERCIAL STONEWARE PASTES FOR PLASTIC SHAPING  BY POTTERY WHEEL

Réka BARABÁS; Oana CADAR; Liliana BIZO

doi:10.24193/subbchem.2023.1.07

COMPARATIVE STUDY OF TWO COMMERCIAL STONEWARE PASTES FOR PLASTIC SHAPING BY POTTERY WHEEL

Authors

Réka BARABÁS Babeş-Bolyai University, Faculty of Chemistry and Chemical Engineering, Department of Chemistry and Chemical Engineering of Hungarian Line of Study, 11 Arany Janos str., RO-400028, Cluj-Napoca, Romania. reka.barabas@ubbcluj.ro https://orcid.org/0000-0001-6730-084X
Oana CADAR INCDO-INOE 2000, Research Institute for Analytical Instrumentation, 67 Donath str., RO-400293, Cluj-Napoca, Romania. oana.cadar@icia.ro https://orcid.org/0000-0002-0879-9211
Liliana BIZO Babeş-Bolyai University, Faculty of Chemistry and Chemical Engineering, Department of Chemical Engineering, 11 Arany Janos str., RO-400028, Cluj-Napoca, Romania. liliana.bizo@ubbcluj.ro https://orcid.org/0000-0002-8775-8492

DOI:

https://doi.org/10.24193/subbchem.2023.1.07

Keywords:

traditional ceramics, commercial stoneware, XRPD, TG-DTG-DTA, drying and firing shrinkage, moisture content, plasticity, potter’s wheel

Abstract

Two commercial stoneware pastes traditionally used to produce ceramic objects were evaluated. The objective was the comparative characterization of the pastes and to find the most suitable to obtain fine ceramic objects using the pottery wheel. Both ceramic pastes were characterized by X-ray powder diffraction (XRPD), particle size analyses (laser diffraction) and thermal analyses (thermogravimetry-TG, its derivative-DTG, and differential thermal analysis-DTA). The technological properties like linear drying and firing shrinkage, moisture content and plasticity were also determined. The results showed that both pastes have appropriate properties making them suitable for plastic shaping by pottery wheel. In addition, the stoneware paper clay paste is “greener” due to its content of cellulose fibers which can come even from recycled paper.

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STUDIA UBB CHEMIA, Volume 68 (LXVIII), No. 1, March 2023

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Published

2023-03-27

How to Cite

BARABÁS, R., CADAR, O., & BIZO, L. (2023). COMPARATIVE STUDY OF TWO COMMERCIAL STONEWARE PASTES FOR PLASTIC SHAPING BY POTTERY WHEEL. Studia Universitatis Babeș-Bolyai Chemia, 68(1), 91–104. https://doi.org/10.24193/subbchem.2023.1.07