Investigation of the Effects of Luster Glazes on Chamotte Bodies

<p style="text-align: justify; margin-bottom: 0px; font-width: normal; font-size: 11px; line-height: normal; font-family: Helvetica; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal;">Luster is a thin film layer formed on the glaze surface. This thin film layer is formedwhen the metal <p style="text-align: justify; margin-bottom: 0px; font-width: normal; font-size: 11px; line-height: normal; font-family: Helvetica; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal;">ions in the glaze move towards thesurface in the reduction environment. <p style="text-align: justify; margin-bottom: 0px; font-width: normal; font-size: 11px; line-height: normal; font-family: Helvetica; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal;">In this study, Silver Nitrate (AgNO3) salt was used to create luster on the surface of theglaze. <p style="text-align: justify; margin-bottom: 0px; font-width: normal; font-size: 11px; line-height: normal; font-family: Helvetica; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal;">Leaded and alkaline glaze recipescontaining Silver Nitrate and various metal oxideswere prepared <p style="text-align: justify; margin-bottom: 0px; font-width: normal; font-size: 11px; line-height: normal; font-family: Helvetica; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal;">and applied with the help of a brushon test tablets obtained from chamotte clay andfired at <p style="text-align: justify; margin-bottom: 0px; font-width: normal; font-size: 11px; line-height: normal; font-family: Helvetica; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal;">1000oC. Glazed test tablets were fired in a gas oven at 1000oC. When the oven cooled downto <p style="text-align: justify; margin-bottom: 0px; font-width: normal; font-size: 11px; line-height: normal; font-family: Helvetica; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal;">850oC, the test tablets were taken out of theoven with the help of tongs and subjected toreduction <p style="text-align: justify; margin-bottom: 0px; font-width: normal; font-size: 11px; line-height: normal; font-family: Helvetica; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal;">process.The luster glazes obtained at theend of the reduction process were analyzed byoptical <p style="text-align: justify; margin-bottom: 0px; font-width: normal; font-size: 11px; line-height: normal; font-family: Helvetica; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal;">microscope, SEM, EDS and XRD analysis. <p style="text-align: justify; margin-bottom: 0px; font-width: normal; font-size: 11px; line-height: normal; font-family: Helvetica; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal;">The fired biscuit pieces (chamotte) in the chamotte clay caused the surface to have a rough <p style="text-align: justify; margin-bottom: 0px; font-width: normal; font-size: 11px; line-height: normal; font-family: Helvetica; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal;">structure. It was observed that the lustereffect increased when the glaze was appliedthicker. <p style="text-align: justify; margin-bottom: 0px; font-width: normal; font-size: 11px; line-height: normal; font-family: Helvetica; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal;">In addition to the luster effect, a different artistic effect has also emerged due to thetextured <p style="text-align: justify; margin-bottom: 0px; font-width: normal; font-size: 11px; line-height: normal; font-family: Helvetica; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal;">appearance of the surfaces obtained. <p style="text-align: justify; margin-bottom: 0px; font-width: normal; font-size: 11px; line-height: normal; font-family: Helvetica; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal;"><b>Acknowledgements:&nbsp;</b>This study was supported by Kocaeli <p style="text-align: justify; margin-bottom: 0px; font-width: normal; font-size: 11px; line-height: normal; font-family: Helvetica; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal;">University Scientific Research Projects Coordination Unitwith Project Number: SYL-2024-3781. <p style="text-align: justify; margin-bottom: 0px; font-width: normal; font-size: 11px; line-height: normal; font-family: Helvetica; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal;">As all authors, we would like to express our gratitude to Kocaeli University Scientific Research <p style="text-align: justify; margin-bottom: 0px; font-width: normal; font-size: 11px; line-height: normal; font-family: Helvetica; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal;">Projects Coordination Unit for their support. <p style="text-align: justify; margin-bottom: 0px; font-width: normal; font-size: 11px; line-height: normal; font-family: Helvetica; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal;"><b>Keywords:</b> Luster, Glaze, Ceramic, Reduction, Chamotte <p style="text-align: justify; margin-bottom: 0px; font-width: normal; font-size: 12px; line-height: normal; font-family: Helvetica; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal;"><br>