Black zirconia ceramic and preparation method thereof
A technology of black zirconia and zirconia, which is applied in the field of ceramic materials and its preparation, can solve the problems of insufficient blackness, not black, and reduce product strength and hardness, so as to improve anti-aging performance, thermal stability, and high covering Strength and blackness, the effect of increasing strength and hardness
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Embodiment 1
[0057] An embodiment of the black zirconia ceramic material composition of the present invention, the black zirconia ceramic material composition in this embodiment contains the following components in mass percentage:
[0058] Iron oxide 1%, cobalt oxide 0.3%, chromium oxide 2.5%, aluminum oxide 2%, nickel oxide 0.1%, manganese oxide 1%, zinc oxide 1%, yttrium oxide 5%, titanium oxide 0.15%, silicon oxide 0.01%, 0.5% of cerium oxide, 1.5% of strontium oxide, 1.5% of calcium oxide, 3% of magnesium oxide, and the balance is zirconium oxide containing hafnium oxide; in the zirconium oxide containing hafnium oxide, hafnium oxide is in the The mass percent content in zirconium is 30%.
[0059] The black zirconia ceramic material composition of this embodiment is a powder, and the D50 particle size of the powder is 0.8 μm, and the specific surface area is 5m 2 / g.
Embodiment 2
[0061] An embodiment of the black zirconia ceramic material composition of the present invention, the black zirconia ceramic material composition in this embodiment contains the following components in mass percentage:
[0062] Iron oxide 2%, cobalt oxide 1%, chromium oxide 1%, aluminum oxide 2%, nickel oxide 1%, manganese oxide 0.1%, zinc oxide 1%, yttrium oxide 5.5%, titanium oxide 1%, silicon dioxide 1% , cerium oxide 1%, strontium oxide 2%, calcium oxide 2.5%, magnesium oxide 1.5%, and the balance is zirconium oxide containing hafnium oxide; in the zirconium oxide containing hafnium oxide, hafnium oxide is in the The mass percent content in zirconia is 15%.
[0063] The black zirconia ceramic material composition of this embodiment is a powder, and the D50 particle size of the powder is 1 μm, and the specific surface area is 8m 2 / g.
Embodiment 3
[0065] An embodiment of the black zirconia ceramic material composition of the present invention, the black zirconia ceramic material composition in this embodiment contains the following components in mass percentage:
[0066] Iron oxide 2%, cobalt oxide 0.8%, chromium oxide 2%, aluminum oxide 1%, nickel oxide 0.5%, manganese oxide 0.5%, zinc oxide 2%, yttrium oxide 5%, titanium oxide 0.5%, silicon dioxide 0.5% , cerium oxide 1%, strontium oxide 3%, calcium oxide 2%, magnesium oxide 4%, and the balance is zirconium oxide containing hafnium oxide; in the zirconium oxide containing hafnium oxide, hafnium oxide is in the The mass percent content in zirconia is 10%.
[0067] The black zirconia ceramic material composition of this embodiment is a powder, and the D50 particle size of the powder is 1.2 μm, and the specific surface area is 9m 2 / g.
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