Zirconia fiber board and preparation method
A technology of zirconia fiber and zirconia, which is applied in the field of refractory materials, can solve the problems of low strength of zirconia fiberboard, short life of high-temperature pulverization, low thermal conductivity, etc., and achieve improved thermal efficiency and service life, low bulk density and zirconia content high effect
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Embodiment 1
[0035] Example 1: The raw material components and mass percentages of the zirconia fiberboard are: 70% of zirconia fibers with a diameter of 3-5 μm, 20% of zirconia hollow spheres with a particle size of 0.045mm<0.075mm, and 20% of zirconia hollow balls with a particle size of ≤0.003mm Zirconia composite micropowder 9%, the mass percent of monoclinic zirconia micropowder in zirconia composite micropowder is 55%; yttrium oxide and cerium oxide composite stabilizer 1%, the mass percent of yttrium oxide in composite stabilizer is 60%; 0.045mm
Embodiment 2
[0042] Example 2: The raw material components and mass percentages of the zirconia fiberboard are: 72% of zirconia fibers with a diameter of 3-5 μm, 18% of zirconia hollow spheres with a particle size of 0.045mm<0.075mm, and 18% of zirconia hollow spheres with a particle size of ≤0.003mm Zirconia composite micropowder 9%, the mass percent of monoclinic zirconia micropowder in zirconia composite micropowder is 85%; yttrium oxide and cerium oxide composite stabilizer 1%, the mass percent of yttrium oxide in composite stabilizer is 70%; 0.045mm
Embodiment 3
[0043] Example 3: The raw material components and mass percentages of the zirconia fiberboard are: 78% of zirconia fibers with a diameter of 3-5 μm, 11% of zirconia hollow spheres with a particle size of 0.045mm<0.075mm, and 11% of zirconia hollow spheres with a particle size of ≤0.003mm Zirconia composite micropowder 9.8%, the mass percent of monoclinic zirconia micropowder in zirconia composite micropowder is 40%; Yttrium oxide and cerium oxide composite stabilizer 1.2%, the mass percent of yttrium oxide in composite stabilizer is 35%; and cerium oxide composite stabilizer 1.2%, the addition of 0.045mm
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