Lead zirconate titanate piezoelectric ceramic powder with controllable sintering shrinkage as well as preparation method and application of lead zirconate titanate piezoelectric ceramic powder
The invention relates to lead zirconate titanate piezoelectric ceramic powder with controllable sintering shrinkage as well as a preparation method and application of the lead zirconate titanate piezoelectric ceramic powder. The preparation method of the lead zirconate titanate piezoelectric ceramic...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention relates to lead zirconate titanate piezoelectric ceramic powder with controllable sintering shrinkage as well as a preparation method and application of the lead zirconate titanate piezoelectric ceramic powder. The preparation method of the lead zirconate titanate piezoelectric ceramic powder with controllable sintering shrinkage comprises the following steps: (1) weighing raw material powder required by lead zirconate titanate piezoelectric ceramic according to a corresponding stoichiometric ratio, and mixing to obtain raw material raw powder; (2) molding the raw material raw powder, carrying out solid-phase synthesis, and carrying out crushing and dry-method mechanical vibration milling on the solid-phase synthesized block to obtain lead zirconate titanate piezoelectric ceramic primary powder; and (3) loading the lead zirconate titanate piezoelectric ceramic primary powder into a crucible, punching, and pre-sintering to obtain the lead zirconate titanate piezoelectric ceramic powder with contr |
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