The strength and elastic properties of structural ceramic materials

Nadiktova, N. M.; Tolstopyatov, R. V.; Babich, V. F.

doi:10.1007/bf00676845

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The Effect Of Nano-tio 2 Addition On the Phase Composition1

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2012

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“…Therefore, dissolution of TiO 2 in the mullite structure can produce cations vacancies which, leads to increasing of diffusion and then, further formation of mullite. Besides, it reported that TiO 2 can accelerate mullite formation by lowering the glass viscosity [36]. On the other hand, the aluminum ions vacancies increase with the TiO 2 addition.…”

Section: The Effect Of Nano-tio 2 Addition On the Phase Compositionmentioning

confidence: 99%

The effect of nano-TiO2 addition on the properties of mullite-zirconia composites prepared by slip casting

2012

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The mullite-zirconia composites were prepared by reaction-sintering of alumina and zircon powder. Besides, the slip casting method was employed for fabrication of these composites. Then, the effect of nano-TiO2 addition on the properties of these composites was investigated and the results were compared with micro-sized TiO2. Hence, the physical properties, phase composition, flexural strength and microstructure of these composites after firing at 1600°C were studied. The results showed that the flexural strength of composite tends to increase with the addition of 0.5 wt.% nano-TiO2. It is attributed to the formation of larger size rod-like ZrO2 and enhanced ceramic bonding between them

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Section: The Effect Of Nano-tio 2 Addition On the Phase Compositionmentioning

confidence: 99%