The Unity Molecular Formula Approach to Glaze Development

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dc.contributor.advisorCarty, William
dc.contributor.advisorLaCourse, William
dc.contributor.advisorEarl, David
dc.contributor.authorQuinlan, Brian
dc.date.accessioned2021-06-18T20:43:20Z
dc.date.available2021-06-18T20:43:20Z
dc.date.issued2002-02
dc.descriptionThesis completed in partial fulfillment of the requirements for the degree of Master of Science in Ceramic Engineering at the Inamori School of Engineering, New York State College of Ceramics at Alfred Universityen_US
dc.description.abstractThe study of glazes is inhibited by the complex nature of multiple oxide compositions typically witnessed in industrial and art glazes. This research systematically addresses this complexity issue in multiple glaze compositions consisting of SiO2, Al2O3, CaO, MgO, Li2O, K2O, and Na2O oxides through the use of the Unity Molecular Formula (UMF) approach. The UMF limits for simple glaze compositions are defined for matte and gloss surface development. These limits are defined using Glossmeter, SEM/EDS, XRD, ICP-AES, and Optical Interferometry analytical techniques. Included is the correlation of gloss and surface roughness characterization techniques, which is compared with visual observations in order to define the most accurate surface quantification tool. Also a proposed technique that will define the glass formation boundary is introduced by using the internal standard method of quantitative XRD coupled with ICP-AES. Results show that matte formation, in the glaze systems tested, is either a result of underfiring or devitrification. Also, the proposed glass formation boundary technique has the ability to accurately define the glass formation boundary, but it may only be restricted to use with simple, three component glass compositions. Crystalline phases exhibiting solid solution, found in more complex glaze systems, reduce the accuracy of the technique. Finally, it is demonstrated that the optical interferometer is superior to gloss measurement when quantifying a wide range of glaze surface qualities. Through this approach multi-component glaze systems can be thoroughly analyzed and accurately represented in terms of its development using the UMF approach. The analytical techniques incorporated in this study effectively evaluate the complex glaze systems allowing for further study into more complex systems.en_US
dc.description.sponsorshipWhiteware Research Centeren_US
dc.format.extent141 pagesen_US
dc.identifier.urihttp://hdl.handle.net/10829/24507
dc.languageen_USen_US
dc.language.isoen_USen_US
dc.publisherNew York State College of Ceramics at Alfred University. Inamori School of Engineering.en_US
dc.relation.ispartofScholes Libraryen_US
dc.rights.urihttps://libraries.alfred.edu/AURA/termsofuseen_US
dc.subjectGlazesen_US
dc.subjectSurfaces (Technology)en_US
dc.titleThe Unity Molecular Formula Approach to Glaze Developmenten_US
dc.typeThesisen_US

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