Metallurgy dusts as a pigment for glazes and engobes |
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| Affiliation: | 1. School of Materials Science and Engineering, Tianjin University, No. 92, Weijin Road, Tianjin 300072, China;2. Tianjin Key Laboratory of Advanced Joining Technology, Tianjin University, No. 92, Weijin Road, Tianjin 300072, China;3. Key Lab of Advanced Ceramics and Machining Technology of Ministry of Education, Tianjin University, No. 92, Weijin Road, Tianjin 300072, China;4. AECC Shenyang Liming Aero Engine Group Corporation Ltd., Shenyang 110043, China;1. School of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China;2. Department of Mechatronics Engineering, Guangzhou Modern Information Engineering College, Guangzhou 510663, China;1. School of Chemistry, University of St Andrews, St Andrews, Fife KY16 9ST, UK;2. Department of Chemistry, National Taiwan University, Taipei 106, Taiwan;3. Department of Mechanical Engineering and Graduate Institute of Manufacturing Technology, National Taipei University of Technology, Taipei 106, Taiwan |
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| Abstract: | This study is focused on using the dust from metallurgy as a pigment. The agglomerating dust is formed during metallurgical processes. This waste product is interesting for recycling process. The main mineralogical phase of dust is hematite α-Fe2O3. Both synthetic and natural iron oxides are commonly used as pigments in ceramic industry. In this experiment the metallurgy dusts were used as a pigment for preparation of glazes and engobes. Agglomerating dusts were used both precalcined thermally at 700 °C and 900 °C and in an original state. The prepared glazes were composed of a transparent glaze base with 10 wt% agglomerating dusts as pigment. The glazes calcined at 1060 °C were finally yellow colored and glazes calcined at 900 °C were brown colored. Engobes contained a ceramic clay base with 1, 5, 10 and 50 wt% of dust as pigment. Engobes calcined at 900 °C were red and grey colored. The pigments were characterized by X-ray diffraction (XRD), chemical (XRFS) analysis, granulometry (PSD), thermogravimetric (TG) and differential thermal (DTA) analysis, scanning electron microscopy (SEM) and CIELab values. |
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| Keywords: | Pigment Metallurgy dust Glaze Engobe |
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