Piezoelectric ceramic ndi ntchito ya ceramic material-piezoelectric effect yomwe imatha kusintha mphamvu zamakina ndi mphamvu zamagetsi.Kuphatikiza pa piezoelectricity, zoumba za piezoelectric zimakhalanso ndi dielectric katundu komanso elasticity.M'madera amakono, zipangizo za piezoelectric, monga zida zogwiritsira ntchito kutembenuka kwa electromechanical, zimagwira ntchito yofunika kwambiri m'madera apamwamba kwambiri.

Ferroelectric ceramics ndi mtundu wa piezoelectric ceramics omwe mikhalidwe yake yayikulu ndi:
(1) Pali polarization modzidzimutsa mu osiyanasiyana kutentha.Zikakhala zapamwamba kuposa kutentha kwa Curie, polarization yodziwikiratu imasowa ndipo gawo la ferroelectric limasintha kukhala gawo la paraelectric;
(2) kukhalapo kwa dera;
(3) Pamene dziko la polarization likusintha, chikhalidwe cha dielectric chosasintha-kutentha chimasintha kwambiri, chimakwera, ndikumvera lamulo la Curie-Weiss;
(4) Kusintha kwamphamvu kwa polarization ndi mphamvu yamagetsi yomwe imagwiritsidwa ntchito kuti ipange hysteresis loop;
(5) Dielectric nthawi zonse imasintha mosagwirizana ndi gawo lamagetsi lomwe limagwiritsidwa ntchito;
(6) Kupanga ma electrostriction kapena strain electrostrictive pansi pakuchita kwa gawo lamagetsi

Barium titanate ndi chinthu chopangidwa ndi ferroelectric chokhala ndi dielectric yayikulu mosakhazikika komanso kutayika kwa dielectric kochepa.Ndi imodzi mwazinthu zomwe zimagwiritsidwa ntchito kwambiri muzoumba zamagetsi ndipo zimadziwika kuti "mzati wa mafakitale a ceramic ceramic".

BATIO3zitsulo zadothi ndi kafukufuku ndi chitukuko cha zida za ceramic za piezoelectric zokhwima zopanda lead zopanda mphamvu zokhala ndi dielectric pafupipafupi, ma electromechanical coupling coefficient and piezoelectric constant, medium mechanical quality factor and small dielectric loss.

Monga ferroelectric material, barium titanate (BaTiO3) amagwiritsidwa ntchito kwambiri mumuti-wosanjikiza ceramic capacitors, sonar, infuraredi radiation kuzindikira, njere malire ceramic capacitors, positive kutentha coefficient ziwiya zadothi matenthedwe, ndi zina zotero. zadothi.Ndi chitukuko cha zipangizo zamagetsi zazing'ono, zopepuka, zodalirika komanso zowonda kwambiri ndi zigawo zake, kufunikira kwa ufa wapamwamba kwambiri wa ultra-fine barium titanate ufa ukukulirakulira.