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Title:Effects of different China and ball clays on traditional ceramic process : a multi-methodological approach
Authors:ID Bernasconi, Andreas (Author)
ID Marinoni, Nicoletta (Author)
ID Mancini, Lucia (Author)
ID Voltolini, Marco (Author)
ID Francescon, Fernando (Author)
ID Sartori, R. (Author)
ID Pavese, Alessandro (Author)
Files:URL URL - Source URL, visit https://www.sciencedirect.com/science/article/pii/S0169131724003351
 
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Language:English
Typology:1.01 - Original Scientific Article
Organization:Logo ZAG - Slovenian National Building and Civil Engineering Institute
Abstract:A combination of technological properties, mineralogical composition and three-dimension (3D) imaging is proposed to get insights into sanitary-ware ceramic bodies of the Vitreous-China technology as a function of the different clay raw materials used in the formulation of slip. Particular attention is paid to the effects induced along the production chain, during casting, after drying (dried body) and after firing (fired body). The different combinations of China and ball clays lead to different casting behaviour, in first instance, and to different mechanical strength, then, due to variations in the particle size distribution rather than in the mineralogical composition. In particular, the finer the particle size, the finer the pore size and, in addition, the better the mechanical properties (with a maximum of 4.7 MPa), due to a better packing. However, fine particle size distribution worsens the slip’s behaviour into moulds, impacting negatively on productivity, with a 17 % reduction of casting thickness. Upon firing process, such differences are mitigated by the body densification and result in more similar pores’ distributions, though the importance of the mineralogical composition is revealed. In fact, differences in mineralogical phases’ contents and in kaolinite HI index guide the comprehension of high temperature phase evolution and technological properties like the fired body thermal expansion, foremost via residual quartz. These results are important for a plastic raw materials’s selection within the ceramic sanitary-ware process.
Keywords:clay raw materials, vitreous-China technology, synchrotron X-ray microtomography, X-ray diffraction, ceramic properties, phase analysis
Publication status:Published
Publication version:Version of Record
Publication date:30.10.2024
Publisher:Elsevier
Year of publishing:2024
Number of pages:str. 1-12
Numbering:Vol. 262, [article no.] 107587
PID:20.500.12556/DiRROS-20999 New window
UDC:621.38
ISSN on article:1872-9053
DOI:10.1016/j.clay.2024.107587 New window
COBISS.SI-ID:218183427 New window
Copyright:© 2024 The Authors
Note:
Publication date in DiRROS:16.12.2024
Views:265
Downloads:170
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BERNASCONI, Andreas, MARINONI, Nicoletta, MANCINI, Lucia, VOLTOLINI, Marco, FRANCESCON, Fernando, SARTORI, R. and PAVESE, Alessandro, 2024, Effects of different China and ball clays on traditional ceramic process : a multi-methodological approach. Applied Clay Science [online]. 2024. Vol. 262, no. 107587, p. 1–12. [Accessed 21 April 2025]. DOI 10.1016/j.clay.2024.107587. Retrieved from: https://dirros.openscience.si/IzpisGradiva.php?lang=eng&id=20999
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Record is a part of a journal

Title:Applied Clay Science
Publisher:Elsevier
ISSN:1872-9053
COBISS.SI-ID:23071749 New window

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:07.10.2024
Applies to:Text and Data Mining valid from 2024-12-01 Text and Data Mining valid from 2024-12-01 Version of Record valid from 2024-10-07

Secondary language

Language:Slovenian
Keywords:glinene surovine, steklena kitajska tehnologija, sinhrotronska rentgenska mikrotomografija, rentgenska difrakcija, lastnosti keramike, fazna analiza


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