High-voltage resistant high-stability piezoelectric ceramic
A piezoelectric ceramics, high-stability technology, applied in the field of piezoelectric ceramics, can solve the problems of material performance deterioration, depolarization, poor structural stability, etc., achieve low failure rate, small performance drift, improve stability and consistency Effect
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Embodiment 1
[0019] (1), mixing: weigh 100 parts by weight of lead tetroxide, 14 parts by weight of barium carbonate, 3.5 parts by weight of strontium carbonate, 28 parts by weight of zirconium dioxide, 15 parts by weight of titanium dioxide, 9.6 parts by weight of niobium pentoxide, and 9.6 parts by weight of niobium pentoxide. 2.8 parts by weight of nickelous, respectively baked at a temperature of 120-150 ℃ for 12 hours, then mixed together, and then added 0.05 parts by weight of cerium oxide, 0.03 parts by weight of chromium oxide, 0.04 parts by weight of silicon dioxide, lithium carbonate 0.02 parts by weight, fully mixed; then the above-mentioned raw materials were added to the planetary mill and mixed for 6 hours. When mixing, the zirconium balls and Deionized water;
[0020] (2) Pre-sintering: the mixed materials are dried and placed in an alumina crucible, and then placed in a resistance furnace for pre-synthesis until the temperature reaches 1010-1030°C, and then kept for 2 hours...
Embodiment 2
[0028] (1), mixing: take by weighing 100 parts by weight of lead tetroxide, 17 parts by weight of barium carbonate, 6.5 parts by weight of strontium carbonate, 30 parts by weight of zirconium dioxide, 17 parts by weight of titanium dioxide, 9.6 parts by weight of niobium pentoxide, and 9.6 parts by weight of niobium pentoxide. 2.8 parts by weight of nickelous, respectively baked at a temperature of 120-150 ℃ for 12 hours, then mixed together, and then added 0.07 parts by weight of cerium oxide, 0.05 parts by weight of chromium oxide, 0.06 parts by weight of silicon dioxide, lithium carbonate 0.04 parts by weight, fully mixed; then the above-mentioned raw materials were added to the planetary mill and mixed for 6 hours. When mixing, the zirconium balls and Deionized water;
[0029] Steps (2)-(8) are the same as in Example 1.
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