Li-ceramics tsa piezoelectric ke mofuta oa lisebelisoa tse sebetsang tsa ceramic tse ka fetolelang matla a mochini le matla a motlakase ho e mong.Ke phello ea piezoelectric.Ntle le piezoelectricity, li-ceramics tsa piezoelectric le tsona li na le dielectricity, elasticity, joalo-joalo, tse sebelisitsoeng haholo litšoantšong tsa bongaka, li-Acoustic sensors, acoustic transducers, ultrasonic motors, jj.

Li-ceramics tsa piezoelectric li sebelisoa haholo ha ho etsoa li-transducers tsa ultrasonic, li-acoustic transducers tse ka tlas'a metsi, li-transducers tsa electroacoustic, li-filters tsa ceramic, li-ceramic transformer, li-ceramic discriminators, lijenereithara tse phahameng tsa motlakase, lisebelisoa tsa infrared, lisebelisoa tsa maqhubu a holim'a metsi, lisebelisoa tsa electro-optic, lisebelisoa tsa ho khantša le ho senya. piezoelectric gyros, joalo-joalo, ha e sebelisoe feela masimong a theknoloji e phahameng, empa hape le bophelong ba letsatsi le leng le le leng ho sebeletsa batho le ho etsa bophelo bo betere bakeng sa batho.

Ntoeng ea II ea Lefatše, ho ile ha sibolloa lirafshoa tsa BaTiO3, 'me lisebelisoa tsa piezoelectric le ts'ebeliso ea tsona li ile tsa hatela pele ka nako e telele.Lenano BaTiO3 phofoetsa hore ho khonehe ho hlahisa BaTiO3 Ceramic e nang le thepa e tsoetseng pele haholoanyane.

Qetellong ea lekholo la bo20 la lilemo, bo-rasaense ba tsoang lefats'eng lohle ba ile ba qala ho hlahloba lisebelisoa tse ncha tsa ferroelectric.Ka lekhetlo la pele, mohopolo oa lisebelisoa tsa nano o ile oa hlahisoa thutong ea lisebelisoa tsa piezoelectric, tse entseng lipatlisiso le nts'etsopele ea lisebelisoa tsa piezoelectric, thepa e sebetsang, e tobane le katleho e kholo, e bonts'itsoeng ka thepa.Phetoho ea ts'ebetso ke hore thepa ea mochine, thepa ea piezoelectric, le thepa ea dielectric e ntlafalitsoe haholo.Ha ho pelaelo hore sena se tla ba le phello e ntle ts'ebetsong ea transducer.

Hajoale, mokhoa o ka sehloohong oa ho amohela mohopolo oa nano meter ka lisebelisoa tse sebetsang tsa piezoelectric ke ho ntlafatsa thepa e itseng ea thepa ea piezoelectric (eketsa li-nanoparticles tse fapaneng ho theha nano complexes ka thepa ea piezoelectric) le (ho sebelisa nanopowder ea piezoelectric kapa Nanocrystals le polymers li entsoe ka lisebelisoa tse kopaneng mekhoa e khethehileng) 2 mekhoa.Ka mohlala, lefapheng la thepa ea Univesithi ea Thanh Ho, e le ho ntlafatsa polarization ea saturation le polarization ea masala a thepa ea ceramic ea ferroelectric, Ag nanoparticles e ile ea eketsoa ho lokisetsa "nano-multiphase ferroelectric ceramics e thehiloeng holim'a tšepe ea nanoparticles / ferroelectric ceramics";Joalo ka nano alumina (AL2O3) /PZT,nano zirconium dioxide (ZrO2)/PZT le lirafshoa tse ling tsa nano tse kopantsoeng tsa ferroelectric ho fokotsa thepa ea pele ea ferroelectric k31 le ho eketsa boima ba ho robeha;lisebelisoa tsa nano piezoelectric le li-polymers hammoho ho fumana lisebelisoa tsa nano piezoelectric composite.Lekhetlong lena re tla ithuta ho lokisoa ha li-ceramics tsa piezoelectric ka ho kopanya nano piezoelectric powders le nano organic additives, ebe re ithuta liphetoho tsa thepa ea piezoelectric le thepa ea dielectric.

Re lebelletse ts'ebeliso e ntseng e eketseha ea lisebelisoa tsa nanoparticles ka har'a lirafshoa tsa piezoelectric!

 


Nako ea poso: Jun-18-2021

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