FIELD: technological processes.
SUBSTANCE: invention relates to ceramic technology, specifically to methods of producing and processing porous piezoceramics and ceramic-matrix piezocomposites, and can be used in wideband ultrasonic transducers for nondestructive testing and diagnostics, medical diagnostic and therapeutic equipment operating in frequency range from 5 to 20 MHz. Method of composite piezoelectric material production includes mixing of synthesized powder of piezoceramic material with powder of pore-forming agent, addition of polyvinyl plasticizer, pressing and firing. Blowing agent used is crystalline lithium niobate (LiNbO3) with average particle size of 10–40 mcm in amount of 5–15 vol.%.
EFFECT: improved piezoelectric and electromechanical properties.
1 cl, 3 dwg, 1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF OBTAINING COMPOSITE PIEZOMATERIAL | 2015 |
|
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|
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| PIEZOELECTRIC CERAMIC MATERIAL | 2015 |
|
RU2597352C1 |
| PIEZOELECTRIC CERAMIC MATERIAL | 2010 |
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| COMPOSITE PIEZOMATERIAL AND METHOD FOR ITS MANUFACTURE | 2020 |
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RU2751896C1 |
