Effect of cobalt oxide additive on the fired properties of tri-axial ceramic
Source abstract
Abstract
Fired properties of a tri-axial ceramic system were studied in presence of 1–5 wt% cobalt oxide (CoO) additive as a function of firing temperatures in the range of 1100–1300 1C. The results showed significant improvement in physical and mechanical properties of the batches in presence of 1% CoO additive compared to that of batches without additive in the firing temperature range of 1100–1200 1C. Phase analysis showed that 1% CoO additive improved melting of feldspar and enhanced mullitization. Microstructural analysis confirmed that the morphology of the mullite crystals changed significantly in presence of additive at lower temperature. 1% CoO here acted as a good additive and helped to achieve optimum fired properties at a comparatively lower temperature. Except at 1100 1C fired batch, the presence of higher quantum of additive (5%) rather deteriorated the material properties. & 2014 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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Research context
OpenAlex topics: Recycling and utilization of industrial and municipal waste in materials production · Advanced ceramic materials synthesis · Nuclear materials and radiation effects
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (23)
Show source-provided references
1. Porcelain-raw materials, processing, phase evolution and mechanical behavior10.1111/j.1151-2916.1998.tb02290.x ↗
2. Titania doped triaxial porcelain: enhancement of strength by controlled heat treatment10.1007/s12034-007-0041-6 ↗
3. Effect of titania on fired characteristics of triaxial porcelain10.1007/BF02711234 ↗
4. Influence of mineralizers on the constitution of hard porcelains: minerological compositions
5. Household porcelain with mineralizing additives
6. Effect of TiO2 on the mullite formation and mechanical properties of alumina porcelain10.1016/j.jeurceramsoc.2009.10.009 ↗
7. Role of Cr2O3 on the mullitization of di-phasic Al2O3–SiO2 gel10.1590/S0366-69132010000300010 ↗
8. Effect of transition metal oxides on mullite whisker formation from mechanochemically activated powders10.1016/S0921-5093(03)00381-2 ↗
9. Anisotropic grain growth of mullite in high-energy ball milled powders doped with transition metal oxides10.1016/S0955-2219(03)00048-7 ↗
10. Effect of Cr2O3on the sintering of aluminosilicate precursor leading to mullite formation10.1016/S0272-8842(00)00076-6 ↗
11. Effect of CoO on formation of mullite ceramics from diphasic Al2O3–SiO2 gel10.25103/jestr.031.23 ↗
12. Simón Y. Reyes López and Juan Serrato Rodríguez, Characterization of Microstructure in Experimental Triaxial Ceramic Body, doi:10.2240/azojomo0270.
13. X-Ray study of the solid solution of TiO, Fe2O3, and Gd2O3 in mullite (3A12O3a2Si02)10.1111/j.1151-2916.1960.tb14595.x ↗
14. Effect of Y3+, Gd3+ and La3+ dopant ions on structural, optical and electrical properties of o-mullite nanoparticles10.1016/S1002-0721(14)60031-4 ↗
15. Co, Ni, Cu aluminates supported on mullite precursors via a solid state reaction10.1016/S0955-2219(99)00196-X ↗
16. Transition metal distribution in mullite
17. Schneider · 1994 · 38
18. CoAl2O4 mullite composites prepared by sol–gel processes10.1016/j.jeurceramsoc.2006.04.127 ↗
19. The influence of cobalt acetate on sol–gel derived mullite densification behaviour10.1007/s11595-012-0558-4 ↗
20. Sintering and mechanical properties of porcelains prepared from algerian raw materials10.1590/S0366-69132011000400013 ↗
21. Mullite formation in clays and clay-derived vitreous ceramics10.1016/j.jeurceramsoc.2007.03.009 ↗
22. Microstructural evolution in triaxial porcelain10.1111/j.1151-2916.2000.tb01692.x ↗
23. The process of porcelain formation in presence of additives (a review)10.1007/BF03180147 ↗