{"id":5640,"count":52,"description":"Piezoelekt\u0159ina je elektrick\u00fd n\u00e1boj, kter\u00fd se hromad\u00ed v ur\u010dit\u00fdch pevn\u00fdch materi\u00e1lech v reakci na aplikovan\u00e9 mechanick\u00e9 nap\u011bt\u00ed. Slovo piezoelekt\u0159ina znamen\u00e1 elekt\u0159inu vznikaj\u00edc\u00ed tlakem a latentn\u00edm teplem. Mnoho materi\u00e1l\u016f vykazuje piezoelekt\u0159inu, jedn\u00edm z nich je keramika, naz\u00fdvan\u00e1 tak\u00e9 piezokeramika. Krom\u011b piezoelekt\u0159iny maj\u00ed piezokeramiky tak\u00e9 dielektrick\u00e9 vlastnosti, elasticitu atd. \u0160iroce se pou\u017e\u00edv\u00e1 v l\u00e9ka\u0159sk\u00e9m zobrazov\u00e1n\u00ed, akustick\u00fdch senzorech, akustick\u00fdch m\u011bni\u010d\u00edch, ultrazvukov\u00fdch motorech atd. Piezoelektrick\u00e1 keramika vyu\u017e\u00edvaj\u00edc\u00ed sv\u00e9 materi\u00e1ly pod vlivem mechanick\u00e9ho nap\u011bt\u00ed, relativn\u00ed posunut\u00ed zp\u016fsobuje kladn\u00fd a z\u00e1porn\u00fd n\u00e1boj na vnit\u0159n\u00edm st\u0159edu a polarizovan\u00fd, vede k tomu, \u017ee oba konce povrchu materi\u00e1lu symbolizuj\u00ed m\u00edsto v\u00e1zan\u00e9ho n\u00e1boje a piezoelektrick\u00e9ho jevu, jmenovit\u011b citliv\u00e9 vlastnosti piezoelektrick\u00e9 keramiky se pou\u017e\u00edvaj\u00ed hlavn\u011b p\u0159i v\u00fdrob\u011b ultrazvukov\u00fdch m\u011bni\u010d\u016f, akustick\u00fdch m\u011bni\u010d\u016f, keramick\u00fdch filtr\u016f, keramick\u00fdch transform\u00e1tor\u016f, keramick\u00fdch diskrimin\u00e1tor\u016f, vysokonap\u011b\u0165ov\u00fdch gener\u00e1tor\u016f, infra\u010derven\u00fdch detektor\u016f, za\u0159\u00edzen\u00ed s povrchovou akustickou vlnou a elektrooptick\u00fdch za\u0159\u00edzen\u00ed, piezoelektrick\u00fdch gyroskop\u016f se zapalovac\u00ed n\u00e1pln\u00ed a tak d\u00e1le, krom\u011b toho, \u017ee se pou\u017e\u00edv\u00e1 v oblasti high-tech, slou\u017e\u00ed v\u00edce lidem v jejich ka\u017edodenn\u00edm \u017eivot\u011b a sna\u017e\u00ed se vytvo\u0159it lep\u0161\u00ed \u017eivot pro lidi.","link":"https:\/\/www.bjultrasonic.com\/cs\/category\/piezoelectric-ceramic-cs\/","name":"Piezokeramika","slug":"piezoelectric-ceramic-cs","taxonomy":"product_cat","parent":0,"meta":[],"menu_order":23,"_links":{"self":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/product_cat\/5640","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/product_cat"}],"about":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/taxonomies\/product_cat"}],"wp:post_type":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/product?product_cat=5640"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}