Hust\u00fd oxid hlinit\u00fd m\u00e1 vynikaj\u00edc\u00ed mechanick\u00e9, tepeln\u00e9 a chemick\u00e9 vlastnosti, tak\u017ee je ide\u00e1ln\u00edm materi\u00e1lem pro za\u0159\u00edzen\u00ed a p\u0159\u00edstroje s vysok\u00fdm vakuem, izol\u00e1tory sond a senzor\u016f, konektory pro rentgenov\u00e9 trubice a elektronov\u00e9 mikroskopy a pro dal\u0161\u00ed pou\u017eit\u00ed vy\u017eaduj\u00edc\u00ed vynikaj\u00edc\u00ed v\u00fdkon.<\/p>\n
Dal\u0161\u00ed v\u00fdznamnou vlastnost\u00ed oxidu hlinit\u00e9ho je odolnost proti ot\u011bru, zejm\u00e9na pokud m\u00e1 materi\u00e1l vysokou \u010distotu.<\/p>\n
Hlin\u00edk (Al2O3) je extr\u00e9mn\u011b tvrd\u00fd materi\u00e1l s vynikaj\u00edc\u00edmi mechanick\u00fdmi vlastnostmi. Je odoln\u00fd proti korozi, ot\u011bru a vysok\u00fdm teplot\u00e1m a z\u00e1rove\u0148 je inertn\u00ed a nerozpustn\u00fd ve vod\u011b, tak\u017ee je vhodn\u00fd pro mnoho aplikac\u00ed. Krom\u011b toho oxid hlinit\u00fd dob\u0159e odol\u00e1v\u00e1 kysel\u00e9mu a z\u00e1sadit\u00e9mu prost\u0159ed\u00ed, proto\u017ee je odoln\u00fd v\u016f\u010di pov\u011btrnostn\u00edm vliv\u016fm, co\u017e ho \u010din\u00ed obzvl\u00e1\u0161t\u011b cenn\u00fdm v mo\u0159sk\u00e9m prost\u0159ed\u00ed.<\/p>\n
Hlin\u00edk se dod\u00e1v\u00e1 v r\u016fzn\u00fdch form\u00e1ch a m\u00e1 stupn\u011b \u010distoty od 99,6% do 99%, co\u017e zaji\u0161\u0165uje vy\u0161\u0161\u00ed odolnost proti opot\u0159eben\u00ed a korozi. Hustota z\u00e1vis\u00ed na obsahu dutin - v\u00edce dutin se rovn\u00e1 ni\u017e\u0161\u00ed hustot\u011b; tuto vlastnost v\u0161ak lze m\u011bnit m\u00edch\u00e1n\u00edm nebo jin\u00fdmi procesy.<\/p>\n
Hlin\u00edkovou keramiku spole\u010dnosti STC Alumina Ceramics lze pou\u017e\u00edt v cel\u00e9 \u0159ad\u011b pr\u016fmyslov\u00fdch odv\u011btv\u00ed, v\u010detn\u011b telekomunikac\u00ed, laserov\u00e9 nebo fotonick\u00e9 techniky, energetiky, obrany a v\u00fdroby polovodi\u010d\u016f. Mezi l\u00e9ka\u0159sk\u00e1 za\u0159\u00edzen\u00ed, kde se tato keramika pou\u017e\u00edv\u00e1, pat\u0159\u00ed katetry a stenty. Spole\u010dnost STC nab\u00edz\u00ed n\u011bkolik technik tvarov\u00e1n\u00ed t\u00e9to keramiky, nap\u0159\u00edklad vst\u0159ikov\u00e1n\u00ed, izostatick\u00e9 lisov\u00e1n\u00ed za studena a p\u0159esn\u00e9 obr\u00e1b\u011bn\u00ed, kter\u00e9 umo\u017e\u0148uje dos\u00e1hnout tohoto tvaru.<\/p>\n
Tyto materi\u00e1ly slo\u017een\u00e9 z bauxitu vykazuj\u00ed vynikaj\u00edc\u00ed odolnost proti ot\u011bru, korozi, extr\u00e9mn\u00edm teplot\u00e1m a erozi. Lze je tvarovat do slo\u017eit\u00fdch tvar\u016f s v\u00fdjime\u010dnou lomovou hou\u017eevnatost\u00ed - dokonce v\u011bt\u0161\u00ed ne\u017e saf\u00edr a rub\u00edn! Nav\u00edc odol\u00e1vaj\u00ed chemick\u00e9mu napaden\u00ed, mohou zv\u00fd\u0161it tvrdost p\u0159id\u00e1n\u00edm zirkonu a maj\u00ed vynikaj\u00edc\u00ed vlastnosti ochrany proti chemick\u00e9mu napaden\u00ed.<\/p>\n
Hust\u00fd oxid hlinit\u00fd nab\u00edz\u00ed v\u00edce ne\u017e jen odolnost v\u016f\u010di oxidaci; m\u016f\u017ee se pochlubit tak\u00e9 vynikaj\u00edc\u00edmi elektrick\u00fdmi vlastnostmi. D\u00edky n\u00edzk\u00e9 elektrick\u00e9 vodivosti a pevnosti, kter\u00e1 je vhodn\u00e1 pro elektrick\u00e9 pou\u017eit\u00ed, je hust\u00fd oxid hlinit\u00fd vynikaj\u00edc\u00edm izolantem a odolnost proti tepeln\u00fdm \u0161ok\u016fm se zvy\u0161uje s vy\u0161\u0161\u00edmi \u00farovn\u011bmi \u010distoty.<\/p>\n
Hust\u00fd taven\u00fd oxid hlinit\u00fd je vysoce kvalitn\u00ed \u0161ed\u00fd \u017e\u00e1ruvzdorn\u00fd materi\u00e1l, kter\u00fd se pou\u017e\u00edv\u00e1 jako surovina p\u0159i v\u00fdrob\u011b pec\u00ed a jin\u00fdch za\u0159\u00edzen\u00ed, kter\u00e1 vytv\u00e1\u0159ej\u00ed teplo, a tak\u00e9 pro v\u00fdrobu pokro\u010dil\u00fdch kompozitn\u00edch materi\u00e1l\u016f, jako jsou povlakovan\u00e1 brusiva nebo v\u00fdroba pokro\u010dil\u00fdch kompozit\u016f. Hust\u011b taven\u00fd oxid hlinit\u00fd d\u00e1le slou\u017e\u00ed jako hlavn\u00ed surovina p\u0159i v\u00fdrob\u011b \u017e\u00e1ruvzdorn\u00fdch materi\u00e1l\u016f s keramickou matric\u00ed a p\u0159i v\u00fdrob\u011b rozpra\u0161ovac\u00edch ter\u010d\u016f a rentgenov\u00fdch sou\u010d\u00e1st\u00ed.<\/p>\n
Hust\u00fd oxid hlinit\u00fd je d\u00edky sv\u00fdm abrazivn\u00edm vlastnostem z\u00e1kladn\u00ed slo\u017ekou p\u0159i v\u00fdrob\u011b brusn\u00fdch kotou\u010d\u016f a brusn\u00fdch pap\u00edr\u016f a pou\u017e\u00edv\u00e1 se tak\u00e9 p\u0159i v\u00fdrob\u011b keramiky vy\u017eaduj\u00edc\u00ed vysok\u00e9 teploty. Pracovn\u00edci, kte\u0159\u00ed s t\u00edmto materi\u00e1lem manipuluj\u00ed, by m\u011bli pou\u017e\u00edvat ochrann\u00e9 masky a rukavice, aby se vyhnuli vdechov\u00e1n\u00ed prachov\u00fdch \u010d\u00e1stic nebo p\u0159\u00edm\u00e9mu kontaktu s n\u00edm; k jeho pou\u017eit\u00ed v tomto pr\u016fmyslov\u00e9m odv\u011btv\u00ed p\u0159isp\u00edvaj\u00ed tak\u00e9 jeho izola\u010dn\u00ed vlastnosti.<\/p>\n
brusiva z hust\u00e9ho oxidu hlinit\u00e9ho p\u0159ed\u010dila v\u0161echny ostatn\u00ed druhy brusiv, pokud jde o trvanlivost a v\u00fdkonnost v ur\u010dit\u00fdch aplikac\u00edch. Jejich zrna se b\u011bhem brou\u0161en\u00ed sama ost\u0159\u00ed a neust\u00e1le odhaluj\u00ed nov\u00e9 mikro\u0159ezn\u00e9 hrany, kter\u00e9 zvy\u0161uj\u00ed \u00fa\u010dinnost a z\u00e1rove\u0148 sni\u017euj\u00ed po\u017eadavky na \u010dast\u00e9 obru\u0161ov\u00e1n\u00ed. Nav\u00edc byla ve srovn\u00e1n\u00ed se sv\u00fdmi prot\u011bj\u0161ky tvrd\u0161\u00ed a odoln\u011bj\u0161\u00ed, tak\u017ee byla ide\u00e1ln\u00ed pro opracov\u00e1n\u00ed kov\u016f, jako je hlin\u00edk nebo \u017eelezn\u00e1 ocel.<\/p>\n
Oxid hlinit\u00fd je st\u00e1le obl\u00edben\u011bj\u0161\u00edm materi\u00e1lem pro aplikace abrazivn\u00edho trysk\u00e1n\u00ed, kter\u00e9 vy\u017eaduj\u00ed vysokou odolnost proti ot\u011bru, p\u0159i\u010dem\u017e jeho pevnost v tlaku je srovnateln\u00e1 s pevnost\u00ed karbidu k\u0159em\u00edku, karbidu boru a diamantu. Hust\u00fd oxid hlinit\u00fd se nav\u00edc vyzna\u010duje vynikaj\u00edc\u00edmi vlastnostmi elektrick\u00e9 a tepeln\u00e9 vodivosti - ide\u00e1ln\u00ed pro keramick\u00e9 pr\u016fchodky na kov, rentgenov\u00e9 komponenty a vysokonap\u011b\u0165ov\u00e1 pouzdra.<\/p>\n
Krom\u011b pou\u017eit\u00ed p\u0159i v\u00fdrob\u011b \u017e\u00e1ruvzdorn\u00fdch v\u00fdrobk\u016f, jako jsou struskov\u00e9 sm\u011bsi a p\u0159edlisky, je oxid hlinit\u00fd tak\u00e9 neocenitelnou slo\u017ekou brusn\u00fdch m\u00e9di\u00ed pro slitiny \u017eeleza a hlin\u00edku - ide\u00e1ln\u00ed pro kone\u010dnou \u00fapravu odlitk\u016f a struskov\u00fdch \u017e\u00e1ruvzdorn\u00fdch materi\u00e1l\u016f. D\u00edky sv\u00e9 abrazivit\u011b a trvanlivosti slou\u017e\u00ed oxid hlinit\u00fd tak\u00e9 jako vynikaj\u00edc\u00ed mo\u017enost v\u00fdb\u011bru velikosti zrna p\u0159i p\u00edskov\u00e1n\u00ed odlitk\u016f nebo p\u0159i zohledn\u011bn\u00ed tuhosti obrobku.<\/p>\n
K dispozici jsou r\u016fzn\u00e9 druhy oxidu hlinit\u00e9ho, od standardn\u00edho hn\u011bd\u00e9ho taven\u00e9ho oxidu hlinit\u00e9ho a\u017e po monokrystalick\u00e9 druhy vyroben\u00e9 taven\u00edm extr\u00e9mn\u011b \u010dist\u00e9ho oxidu hlinit\u00e9ho se speci\u00e1ln\u00edmi slitinami. Monokrystalick\u00e9 odr\u016fdy, jako je hust\u00fd oxid hlinit\u00fd, se b\u011b\u017en\u011b pou\u017e\u00edvaj\u00ed v polovodi\u010dov\u00fdch aplikac\u00edch d\u00edky sv\u00e9 vynikaj\u00edc\u00ed chemick\u00e9 a plazmov\u00e9 odolnosti a dielektrick\u00fdm vlastnostem vhodn\u00fdm pro vysokonap\u011b\u0165ov\u00e9 aplikace; spole\u010dnost Coorstek nab\u00edz\u00ed hust\u00fd oxid hlinit\u00fd speci\u00e1ln\u011b p\u0159izp\u016fsoben\u00fd pro tyto \u00fa\u010dely.<\/p>\n
Hlin\u00edk je hutn\u00fd keramick\u00fd materi\u00e1l s vynikaj\u00edc\u00edmi protiod\u011brov\u00fdmi vlastnostmi. D\u00edky vynikaj\u00edc\u00edm tepeln\u00fdm a elektrick\u00fdm vodivostn\u00edm vlastnostem je oxid hlinit\u00fd vynikaj\u00edc\u00ed volbou materi\u00e1lu pro \u0159adu aplikac\u00ed v mnoha oborech. Tento tvrd\u00fd a odoln\u00fd materi\u00e1l nav\u00edc odol\u00e1v\u00e1 vysok\u00fdm teplot\u00e1m, tak\u017ee je ide\u00e1ln\u00ed pro pou\u017eit\u00ed jako izol\u00e1tory a sou\u010d\u00e1sti pec\u00ed, kter\u00e9 mus\u00ed odol\u00e1vat vysok\u00fdm tlak\u016fm, nap\u0159\u00edklad v pec\u00edch. Hlin\u00edk nach\u00e1z\u00ed vyu\u017eit\u00ed tak\u00e9 jako brusivo v brusn\u00fdch kotou\u010d\u00edch, kde jeho odolnost proti opot\u0159eben\u00ed umo\u017e\u0148uje pr\u00e1ci v n\u00e1ro\u010dn\u00fdch podm\u00ednk\u00e1ch.<\/p>\n
Hust\u00fd oxid hlinit\u00fd se dod\u00e1v\u00e1 v r\u016fzn\u00fdch form\u00e1ch, nap\u0159\u00edklad jako slinut\u00e9 granule nebo mikro\u010d\u00e1stice. Vyu\u017eit\u00ed hust\u00e9ho oxidu hlinit\u00e9ho v \u017e\u00e1ruvzdorn\u00e9m pr\u016fmyslu spo\u010d\u00edv\u00e1 ve vypl\u0148ov\u00e1n\u00ed mezer mezi ostatn\u00edmi \u010d\u00e1sticemi, aby se zv\u00fd\u0161ila hustota a z\u00e1rove\u0148 sn\u00ed\u017eila spot\u0159eba vody na tvorbu; takto vyroben\u00fd produkt je zn\u00e1m\u00fd jako AFS; \u010d\u00e1stice oxidu hlinit\u00e9ho se zde za vysok\u00e9ho tlaku a teploty spojuj\u00ed do pevn\u00e9 formy, d\u00edky \u010demu\u017e je AFS mnohem odoln\u011bj\u0161\u00ed v\u016f\u010di vysok\u00fdm teplot\u00e1m a ot\u011bru ne\u017e b\u011b\u017en\u00e9 cihly.<\/p>\n
Z k\u0159emi\u010ditanu taven\u00e9ho oxidem hlinit\u00fdm (AFS) lze pak vyr\u00e1b\u011bt keramick\u00e9 v\u00fdrobky. AFS lze pou\u017e\u00edt k v\u00fdrob\u011b pr\u016fchodek mezi keramikou a kovem, pr\u016fchodek pro rentgenov\u00e9 sou\u010d\u00e1stky a vysokonap\u011b\u0165ov\u00fdch pouzder; l\u00e9ka\u0159sk\u00e9 implant\u00e1ty, kter\u00e9 vy\u017eaduj\u00ed mechanick\u00e9, chemick\u00e9 a elektrick\u00e9 vlastnosti, stejn\u011b jako nepr\u016fst\u0159eln\u00e9 vesty pro vojensk\u00e9 aplikace mohou t\u011b\u017eit z pou\u017eit\u00ed AFS, proto\u017ee jsou vyrobeny z tohoto univerz\u00e1ln\u00edho materi\u00e1lu.<\/p>\n
Na rozd\u00edl od tradi\u010dn\u00ed keramiky m\u00e1 oxid hlinit\u00fd v\u00fdjime\u010dnou odolnost proti tepeln\u00fdm \u0161ok\u016fm - a\u017e 2,5kr\u00e1t vy\u0161\u0161\u00ed ne\u017e nitrid k\u0159em\u00edku nebo karbid k\u0159em\u00edku - a je tak ide\u00e1ln\u00edm materi\u00e1lem pro pou\u017eit\u00ed v p\u0159\u00edpadech, kdy cyklus oh\u0159evu nebo chlazen\u00ed prob\u00edh\u00e1 rychle. S b\u011b\u017enou keramikou se nav\u00edc m\u016f\u017ee obt\u00ed\u017en\u011b pracovat kv\u016fli jej\u00ed n\u00edzk\u00e9 tepeln\u00e9 vodivosti. D\u00edky tomu je oxid hlinit\u00fd ekonomicky v\u00fdhodnou volbou.<\/p>\n
Keramika z oxidu hlinit\u00e9ho je ide\u00e1ln\u00ed pro vakuov\u00e9 syst\u00e9my d\u00edky sv\u00e9 schopnosti odol\u00e1vat jak atmosf\u00e9rick\u00fdm, tak vakuov\u00fdm teplot\u00e1m, zejm\u00e9na t\u011bm, kter\u00e9 se vyskytuj\u00ed p\u0159i metalurgick\u00fdch procesech, kde m\u016f\u017ee b\u00fdt obt\u00ed\u017en\u00e9 regulovat teplotu. Jejich tvrd\u00fd povrch nav\u00edc umo\u017e\u0148uje odol\u00e1vat drsn\u00fdm chemik\u00e1li\u00edm, ani\u017e by trp\u011bly ot\u011brem; d\u00e1le m\u00e1 mnoho pr\u016fmyslov\u00fdch vyu\u017eit\u00ed, v\u010detn\u011b potahovan\u00fdch brusn\u00fdch kotou\u010d\u016f, a tak\u00e9 odolnost v\u016f\u010di tepeln\u00fdm \u0161ok\u016fm, d\u00edky n\u00ed\u017e je vhodn\u00e1 pro rota\u010dn\u00ed a p\u00edstov\u00e9 v\u00fdv\u011bvy, kter\u00e9 pracuj\u00ed s chemik\u00e1liemi.<\/p>\n
Hust\u00fd oxid hlinit\u00fd je chemicky inertn\u00ed a odoln\u00fd v\u016f\u010di mnoha chemik\u00e1li\u00edm, tak\u017ee je ide\u00e1ln\u00ed pro aplikace, kde je d\u016fle\u017eit\u00e1 vysok\u00e1 odolnost a dlouh\u00e1 \u017eivotnost. Krom\u011b toho je d\u00edky sv\u00e9 odolnosti proti ot\u011bru vhodn\u00fd pro prost\u0159ed\u00ed s vysok\u00fdmi teplotami; je tedy vhodn\u00fd pro metalizovan\u00e9 v\u00fdrobky, jako jsou panc\u00e9\u0159ov\u00e9 desky pro bojov\u00e1 vozidla nebo izol\u00e1tory pec\u00ed v pr\u016fmyslov\u00fdch pec\u00edch a tak\u00e9 izol\u00e1tory vakuov\u00fdch za\u0159\u00edzen\u00ed - a hojn\u011b jej vyu\u017e\u00edvaj\u00ed telekomunika\u010dn\u00ed spole\u010dnosti, v\u00fdrobci leteck\u00e9 techniky i dodavatel\u00e9 dom\u00e1c\u00edch v\u00fdrobk\u016f.<\/p>\n
Korozn\u00ed odolnost hust\u00e9ho oxidu hlinit\u00e9ho z\u00e1vis\u00ed na jeho \u010distot\u011b, mikrostruktu\u0159e a teplot\u011b okol\u00ed. Tato studie zkoumala, jak tyto faktory ovliv\u0148uj\u00ed chemickou stabilitu slinut\u00e9ho oxidu hlinit\u00e9ho slinut\u00e9ho v roztoc\u00edch HNO3 p\u0159i r\u016fzn\u00fdch koncentrac\u00edch a dob\u00e1ch expozice, a to pomoc\u00ed Box-Behnkenovy designov\u00e9 anal\u00fdzy s c\u00edlem pochopit jejich vliv na vylu\u010dov\u00e1n\u00ed iont\u016f z materi\u00e1lu. V\u00fdsledky uk\u00e1zaly, \u017ee vy\u0161\u0161\u00edch hodnot hustoty bylo dosa\u017eeno po krat\u0161\u00edch dob\u00e1ch expozice a ni\u017e\u0161\u00edch koncentrac\u00edch HNO3.<\/p>\n
Hust\u00fd oxid hlinit\u00fd se m\u016f\u017ee pochlubit nejen vynikaj\u00edc\u00ed odolnost\u00ed proti korozi, ale tak\u00e9 vynikaj\u00edc\u00edmi mechanick\u00fdmi vlastnostmi. Hust\u00fd oxid hlinit\u00fd je d\u00edky sv\u00fdm vlastnostem pevnosti, tvrdosti a lomov\u00e9 hou\u017eevnatosti ide\u00e1ln\u00edm materi\u00e1lem pro lapov\u00e1n\u00ed a honov\u00e1n\u00ed a tak\u00e9 jako podpora katalyz\u00e1tor\u016f v n\u011bkter\u00fdch chemick\u00fdch procesech.<\/p>\n
Keramika Saint-Gobain vyr\u00e1b\u011bn\u00e1 z materi\u00e1l\u016f s vysokou \u010distotou a hustotou je navr\u017eena tak, aby odol\u00e1vala extr\u00e9mn\u00edm podm\u00ednk\u00e1m v automobilov\u00e9m a leteck\u00e9m pr\u016fmyslu a z\u00e1rove\u0148 byla cenov\u011b v\u00fdhodn\u00e1. Vykazuj\u00ed vynikaj\u00edc\u00ed odolnost v\u016f\u010di oxidaci, plazmov\u00fdm a chemick\u00fdm \u00fatok\u016fm a maj\u00ed dobr\u00e9 dielektrick\u00e9 vlastnosti. Krom\u011b toho jsou tyto materi\u00e1ly vhodn\u00e9 pro polovodi\u010dov\u00e9 aplikace, v\u010detn\u011b aplikac\u00ed lept\u00e1n\u00ed oxid\u016f PVD\/CVD\/CMP, jako\u017e i pro iontov\u00e9 implant\u00e1ty a fotolitografick\u00e9 procesy. Hlin\u00edk vynik\u00e1 jako ide\u00e1ln\u00ed materi\u00e1l d\u00edky sv\u00e9 velmi n\u00edzk\u00e9 p\u00f3rovitosti a v\u00fdjime\u010dn\u00fdm elektrick\u00fdm vlastnostem, v\u010detn\u011b extr\u00e9mn\u011b velk\u00e9ho povrchu. Krom\u011b toho je oxid hlinit\u00fd d\u00edky sv\u00e9 trvanlivosti cenov\u011b v\u00fdhodn\u00fdm \u0159e\u0161en\u00edm pro tyto n\u00e1ro\u010dn\u00e9 aplikace. Keramick\u00e9 v\u00fdrobky na b\u00e1zi oxidu hlinit\u00e9ho od t\u00e9to spole\u010dnosti maj\u00ed extr\u00e9mn\u011b n\u00edzkou reaktivitu, co\u017e umo\u017e\u0148uje v\u00fdrobu za zlomek n\u00e1klad\u016f spojen\u00fdch s jin\u00fdmi materi\u00e1ly - co\u017e je obzvl\u00e1\u0161t\u011b d\u016fle\u017eit\u00e1 v\u00fdhoda v odv\u011btv\u00edch, jako je automobilov\u00fd pr\u016fmysl, kde n\u00e1klady hraj\u00ed ned\u00edlnou roli.<\/p>","protected":false},"excerpt":{"rendered":"
Dense alumina features excellent mechanical, thermal and chemical properties, making it the ideal material for high vacuum equipment and instrumentation, […]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[3],"tags":[],"class_list":["post-675","post","type-post","status-publish","format-standard","hentry","category-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/artehistoria.net\/cs\/wp-json\/wp\/v2\/posts\/675","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/artehistoria.net\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/artehistoria.net\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/artehistoria.net\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/artehistoria.net\/cs\/wp-json\/wp\/v2\/comments?post=675"}],"version-history":[{"count":1,"href":"https:\/\/artehistoria.net\/cs\/wp-json\/wp\/v2\/posts\/675\/revisions"}],"predecessor-version":[{"id":676,"href":"https:\/\/artehistoria.net\/cs\/wp-json\/wp\/v2\/posts\/675\/revisions\/676"}],"wp:attachment":[{"href":"https:\/\/artehistoria.net\/cs\/wp-json\/wp\/v2\/media?parent=675"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/artehistoria.net\/cs\/wp-json\/wp\/v2\/categories?post=675"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/artehistoria.net\/cs\/wp-json\/wp\/v2\/tags?post=675"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}