Hlin\u00edk (Al) je hojne roz\u0161\u00edren\u00fd strieborn\u00fd biely kov, ktor\u00fd sa nach\u00e1dza v celej pr\u00edrode a je nenahradite\u013enou surovinou v mnoh\u00fdch priemyseln\u00fdch odvetviach. Hlin\u00edk m\u00e1 mnoho pozoruhodn\u00fdch vlastnost\u00ed vr\u00e1tane pevnosti, \u0165a\u017enosti, pevnosti v \u0165ahu, tepelnej stability, odolnosti proti kor\u00f3zii a izola\u010dn\u00fdch vlastnost\u00ed - vlastnost\u00ed, ktor\u00e9 z neho robia jeden z najob\u013e\u00fabenej\u0161\u00edch kovov v pr\u00edslu\u0161n\u00fdch oblastiach.<\/p>\n
Hustota oxidu hlinit\u00e9ho z\u00e1vis\u00ed od faktorov, ako je jeho prekurzor, teplota kalcin\u00e1cie a program ohrevu, ako aj \u0161trukt\u00fara p\u00f3rov a kyslos\u0165\/bazickos\u0165 povrchu.<\/p>\n
P\u00f3rovitos\u0165 meria podiel pr\u00e1zdnych priestorov na celkovom objeme; zvy\u010dajne sa vyjadruje v percent\u00e1ch v rozmedz\u00ed od 0% do 100%. Je ve\u013emi d\u00f4le\u017eit\u00e9 pochopi\u0165, ako s\u00favis\u00ed p\u00f3rovitos\u0165 s in\u00fdmi vlastnos\u0165ami, ako je hustota alebo priepustnos\u0165; v\u0161etky tri vlastnosti sa m\u00f4\u017eu meni\u0165 v z\u00e1vislosti od p\u00f3rovitosti materi\u00e1lu.<\/p>\n
Objekt s vysokou p\u00f3rovitos\u0165ou m\u00f4\u017ee obsahova\u0165 vzduchov\u00e9 vreck\u00e1 alebo in\u00e9 dutiny vo svojej \u0161trukt\u00fare, \u010do vedie k rozdielom v mechanick\u00fdch a tepeln\u00fdch vlastnostiach. P\u00f3rovitos\u0165 sa m\u00f4\u017ee pou\u017e\u00edva\u0165 aj na opis toho, ako efekt\u00edvne horniny uchov\u00e1vaj\u00fa tekutiny, ako je ropa alebo zemn\u00fd plyn, pod zemou; geol\u00f3govia a in\u017einieri z\u00e1sobn\u00edkov \u010dasto vyu\u017e\u00edvaj\u00fa p\u00f3rovitos\u0165 horn\u00edn, ako s\u00fa pieskovce a karbon\u00e1ty, pri ur\u010dovan\u00ed mno\u017estva jednotliv\u00fdch tekut\u00edn, ktor\u00e9 m\u00f4\u017eu uchov\u00e1va\u0165 pod zemou. V\u0155tanie vrtov s vy\u0161\u0161ou p\u00f3rovitos\u0165ou si vy\u017eaduje n\u00e1stroje ur\u010den\u00e9 \u0161peci\u00e1lne na meranie p\u00f3rovitosti pred za\u010dat\u00edm v\u0155tania a na vytv\u00e1ranie cementov\u00fdch tesnen\u00ed medzi vrtom a okolit\u00fdmi horninami, aby sa zabr\u00e1nilo \u00faniku uh\u013eovod\u00edkov alebo kvapal\u00edn mimo zam\u00fd\u0161\u013ean\u00fdch miest.<\/p>\n
Vysok\u00e1 p\u00f3rovitos\u0165 oxidu hlinit\u00e9ho z neho rob\u00ed vynikaj\u00faci materi\u00e1l na podporu priemyseln\u00fdch katalyz\u00e1torov. Ve\u013ek\u00e1 plocha povrchu umo\u017e\u0148uje uskuto\u010d\u0148ova\u0165 r\u00f4zne reakcie, napr\u00edklad podporova\u0165 katalyz\u00e1tory na b\u00e1ze Fe pri reakci\u00e1ch hydroxyl\u00e1cie fenolu s peroxidom vod\u00edka, pri ktor\u00fdch vznikaj\u00fa cenn\u00e9 organick\u00e9 zl\u00fa\u010deniny, ako je hydrochin\u00f3n a katechol.<\/p>\n
T\u00e1to reakcia je v\u00fdhodn\u00e1 najm\u00e4 pre ropn\u00fd priemysel, preto\u017ee zvy\u0161uje v\u00fd\u0165a\u017enos\u0165 ropy a z\u00e1rove\u0148 zni\u017euje zne\u010distenie \u017eivotn\u00e9ho prostredia t\u00fdm, \u017ee zni\u017euje mno\u017estvo odpadu vznikaj\u00faceho pri v\u00fdrobe.<\/p>\n
V r\u00e1mci v\u00fdroby oxidu hlinit\u00e9ho je potrebn\u00e9 pri spekan\u00ed pam\u00e4ta\u0165 na jeho p\u00f3rovitos\u0165. M\u00f4\u017eu sa vytvori\u0165 praskliny a p\u00f3rovit\u00e9 produkty, ktor\u00e9 zhor\u0161uj\u00fa jeho pevnos\u0165, priepustnos\u0165 a \u010fal\u0161ie fyzik\u00e1lne vlastnosti - preto d\u00f4kladn\u00e1 kontrola tohto kroku umo\u017en\u00ed z\u00edska\u0165 vysokokvalitn\u00e9 produkty z oxidu hlinit\u00e9ho s n\u00edzkou p\u00f3rovitos\u0165ou.<\/p>\n
Hlin\u00edk sa z\u00edskava spracovan\u00edm bauxitu, lateritu bohat\u00e9ho na hlin\u00edk. Po extrakcii sa podrobuje zu\u0161\u013each\u0165ovaniu Bayerov\u00fdm procesom, ktor\u00fd zah\u0155\u0148a rozpustenie jeho oxidu v \u017eeravej s\u00f3de a n\u00e1sledn\u00e9 odfiltrovanie nas\u00fdten\u00fdch Bayerov\u00fdch roztokov, \u010d\u00edm sa z\u00edskava jemn\u00fd biely pr\u00e1\u0161ok, ktor\u00fd sa podob\u00e1 cukru, ale m\u00f4\u017ee po\u0161kriaba\u0165 sklenen\u00e9 povrchy; tento pr\u00e1\u0161ok sl\u00fa\u017ei ako surovina pre r\u00f4zne keramick\u00e9 v\u00fdrobky a komponenty.<\/p>\n
Plocha povrchu oxidu hlinit\u00e9ho je d\u00f4le\u017eit\u00fdm parametrom, ktor\u00fd zohr\u00e1va neoddelite\u013en\u00fa \u00falohu v aplik\u00e1ci\u00e1ch zah\u0155\u0148aj\u00facich adsorpciu, heterog\u00e9nnu katal\u00fdzu a povrchov\u00e9 reakcie. Okrem toho tepeln\u00e1 vodivos\u0165, zmr\u0161\u0165ovanie keramiky po\u010das kalcin\u00e1cie a jej p\u00f3rov\u00e1 \u0161trukt\u00fara ovplyv\u0148uj\u00fa jej v\u00fdkonnos\u0165; preto musia v\u00fdrobcovia venova\u0165 osobitn\u00fa pozornos\u0165 kontrole tohto parametra, aby mohli vyr\u00e1ba\u0165 vysokokvalitn\u00e9 v\u00fdrobky z oxidu hlinit\u00e9ho.<\/p>\n
V porovnan\u00ed s konven\u010dn\u00fdm n\u00e1protivkom vykazuje oxid hlinit\u00fd vyroben\u00fd touto met\u00f3dou v\u00fdrazne v\u00e4\u010d\u0161iu rovnomernos\u0165 rozlo\u017eenia p\u00f3rov a vy\u0161\u0161\u00ed \u0161pecifick\u00fd povrch ako predch\u00e1dzaj\u00face postupy. Okrem toho si jeho v\u00fdroba dok\u00e1\u017ee udr\u017ea\u0165 uspokojiv\u00fd \u0161pecifick\u00fd povrch aj pri zv\u00fd\u0161en\u00fdch teplot\u00e1ch.<\/p>\n
Oxid hlinit\u00fd sa v pr\u00edrode vyskytuje ako korund alebo a-Al2O3, tvrd\u00fd a chemicky inertn\u00fd materi\u00e1l s n\u00edzkou chemickou reaktivitou. Hlin\u00edk sa m\u00f4\u017ee vyr\u00e1ba\u0165 aj tepeln\u00fdm spracovan\u00edm gibsitu a boehmitu s hydroxidom v\u00e1penat\u00fdm, \u010d\u00edm sa z\u00edska por\u00e9zny, menej kompaktn\u00fd oxid hlinit\u00fd typu g s pribli\u017enou hodnotou plochy BET (N2) 5 m2g-1; tieto materi\u00e1ly sa \u0161iroko pou\u017e\u00edvaj\u00fa ako nosi\u010de katalyz\u00e1torov.<\/p>\n
Akt\u00edvny oxid hlinit\u00fd sa m\u00f4\u017ee vyr\u00e1ba\u0165 riaden\u00fdm zahrievan\u00edm hydratovan\u00e9ho oxidu hlinit\u00e9ho na vysok\u00e9 teploty, \u010d\u00edm sa molekuly vody vytl\u00e1\u010daj\u00fa cez roviny \u0161truktur\u00e1lnej slabosti do dobre definovan\u00fdch p\u00f3rov s priemern\u00fdm priemerom p\u00f3rov 4 nm, \u010d\u00edm vznik\u00e1 aktivovan\u00fd oxid hlinit\u00fd s pribli\u017enou BET (N2) plochou medzi 300-400 m2g-1.<\/p>\n
Efekt\u00edvna v\u00fdroba oxidu hlinit\u00e9ho si vy\u017eaduje jeho v\u00fdrobu s vysok\u00fdm povrchom BET a hustotou skeletu, preto\u017ee to zabezpe\u010duje optim\u00e1lnu v\u00fdkonnos\u0165 v r\u00f4znych aplik\u00e1ci\u00e1ch, ako s\u00fa \u017eiaruvzdorn\u00e9 materi\u00e1ly, abraz\u00edva, membr\u00e1ny l\u00edtiov\u00fdch bat\u00e9ri\u00ed, zapa\u013eovacie svie\u010dky, nosi\u010de katalyz\u00e1torov a \u010fal\u0161ie aplik\u00e1cie. Bohu\u017eia\u013e, vysok\u00fd \u0161pecifick\u00fd povrch a hustota v\u00fdrazne zvy\u0161uj\u00fa v\u00fdrobn\u00e9 n\u00e1klady, zatia\u013e \u010do vlastnosti z\u00e1visia od faktorov, ako s\u00fa zr\u00e1\u017eacie \u010dinidlo, podmienky synt\u00e9zy a podmienky su\u0161enia, ktor\u00e9 ovplyv\u0148uj\u00fa jeho vlastnosti.<\/p>\n
V\u00fdrobcovia oxidu hlinit\u00e9ho preto potrebuj\u00fa r\u00fdchle a presn\u00e9 pr\u00edstroje na charakteriz\u00e1ciu \u0161ar\u017e\u00ed oxidu hlinit\u00e9ho. Pr\u00edstroje Anton Paar AutoFlow BET+ a Ultrapyc pon\u00fakaj\u00fa r\u00fdchlu charakteriz\u00e1ciu, aby sa zabezpe\u010dilo, \u017ee \u0161ar\u017ee r\u00fdchlo sp\u013a\u0148aj\u00fa \u0161pecifik\u00e1cie; ich Brunauer-Emmett-Tellerova (BET) adsorp\u010dn\u00e1 technika umo\u017e\u0148uje presn\u00e9 merania SSA a hustoty skeletu vzoriek oxidu hlinit\u00e9ho.<\/p>\n
Tepeln\u00e1 vodivos\u0165 oxidu hlinit\u00e9ho z\u00e1vis\u00ed od jeho zlo\u017eenia, morfol\u00f3gie a pr\u00edtomnosti alebo nepr\u00edtomnosti sekund\u00e1rnych f\u00e1z. Leguj\u00face prvky maj\u00fa tendenciu v\u00fdrazne zni\u017eova\u0165 jeho tepeln\u00fa vodivos\u0165 - konkr\u00e9tne Cr > V > Mn > Ti > Zr > Si ako zoslabuj\u00face \u010dinidl\u00e1, pri\u010dom posledne menovan\u00e9 maj\u00fa v\u00e4\u010d\u0161\u00ed vplyv, ak s\u00fa pr\u00edtomn\u00e9 ako tuh\u00e9 roztoky (\u010do znamen\u00e1, \u017ee ich koncentr\u00e1cia zost\u00e1va kon\u0161tantn\u00e1 bez oh\u013eadu na teplotu) [6,23].<\/p>\n
Oxid hlinit\u00fd m\u00e1 vynikaj\u00facu odolnos\u0165 proti kor\u00f3zii r\u00f4znych kysel\u00edn a sol\u00ed v\u010faka siln\u00fdm i\u00f3nov\u00fdm a kovalentn\u00fdm chemick\u00fdm v\u00e4zb\u00e1m medzi Al3+ a O2-. Okrem toho sa vyzna\u010duje vysok\u00fdm bodom topenia a tvrdos\u0165ou, v\u010faka \u010domu je schopn\u00fd odol\u00e1va\u0165 \u00fatokom mnoh\u00fdch anorganick\u00fdch kysel\u00edn vr\u00e1tane kyseliny ortofosfore\u010dnej a fluorovod\u00edkovej.<\/p>\n
Kv\u00f4li siln\u00fdm i\u00f3nov\u00fdm v\u00e4zb\u00e1m medzi alkalick\u00fdmi a chloridov\u00fdmi i\u00f3nmi nem\u00e1 tak\u00fa odolnos\u0165 proti kor\u00f3zii sp\u00f4sobenej siln\u00fdmi z\u00e1sadami a kyselinou chlorovod\u00edkovou.<\/p>\n
Le\u0161tenie oxidu hlinit\u00e9ho do extr\u00e9mne hladk\u00e9ho povrchu je pomerne jednoduch\u00e9, \u010do z neho rob\u00ed ide\u00e1lny materi\u00e1l na br\u00fasenie a fr\u00e9zovanie. Okrem toho jeho v\u0161estrann\u00e9 tvarov\u00e9 a rozmerov\u00e9 schopnosti umo\u017e\u0148uj\u00fa jeho vyu\u017eitie v mnoh\u00fdch priemyseln\u00fdch procesoch.<\/p>\n
Okrem vynikaj\u00facich mechanick\u00fdch vlastnost\u00ed sa oxid hlinit\u00fd m\u00f4\u017ee pochv\u00e1li\u0165 aj vynikaj\u00facimi elektroizola\u010dn\u00fdmi vlastnos\u0165ami a vysokou l\u00e1mavos\u0165ou. Odol\u00e1va vysok\u00fdm teplot\u00e1m bez toho, aby pod tlakom praskal. Oxid hlinit\u00fd sa u\u017e dlho vyu\u017e\u00edva ako substr\u00e1tov\u00fd materi\u00e1l v rafin\u00e9ri\u00e1ch ropy na v\u00fdrobu katalyz\u00e1torov, pri\u010dom je \u0161iroko vyu\u017e\u00edvan\u00fd ako izolant.<\/p>\n
Hlin\u00edk sa m\u00f4\u017ee pochv\u00e1li\u0165 v\u00fdnimo\u010dn\u00fdmi vlastnos\u0165ami odvodu tepla, v\u010faka ktor\u00fdm je nevyhnutn\u00fd pre mnoh\u00e9 priemyseln\u00e9 aplik\u00e1cie. Odol\u00e1va teplot\u00e1m a\u017e do 900 stup\u0148ov Celzia a z\u00e1rove\u0148 sa vyzna\u010duje n\u00edzkymi koeficientmi roz\u0165a\u017enosti, ktor\u00e9 u\u013eah\u010duj\u00fa pr\u00e1cu s n\u00edm pri vy\u0161\u0161\u00edch teplot\u00e1ch.<\/p>\n
Hlin\u00edk je inertn\u00fd materi\u00e1l, \u010do znamen\u00e1, \u017ee nereaguje s chemik\u00e1liami, ktor\u00e9 s n\u00edm prich\u00e1dzaj\u00fa do kontaktu, \u010d\u00edm sa chr\u00e1ni pred po\u0161koden\u00edm a predl\u017euje \u017eivotnos\u0165 v\u00fdrobku. V\u010faka tomu je oxid hlinit\u00fd ide\u00e1lny pre zdravotn\u00edcke pom\u00f4cky, preto\u017ee dlhodob\u00e9 pou\u017e\u00edvanie alebo po\u017eitie nesp\u00f4sob\u00ed chemick\u00fa degrad\u00e1ciu keramick\u00e9ho substr\u00e1tu, zatia\u013e \u010do zubn\u00e9 implant\u00e1ty vyroben\u00e9 z tohto materi\u00e1lu zostan\u00fa nepo\u0161koden\u00e9 ak\u00fdmko\u013evek be\u017en\u00fdm zubn\u00fdm o\u0161etren\u00edm.<\/p>\n
Hlin\u00edk je nereakt\u00edvny kov, \u010do znamen\u00e1, \u017ee odol\u00e1va n\u00e1ro\u010dn\u00fdm podmienkam a chemik\u00e1li\u00e1m bez po\u0161kodenia povrchu alebo kon\u0161trukcie. Okrem toho je v\u010faka svojej tepelnej odolnosti vhodn\u00fd na pou\u017eitie pri vysok\u00fdch teplot\u00e1ch. Okrem toho jeho n\u00edzka elektrick\u00e1 vodivos\u0165 sl\u00fa\u017ei na izol\u00e1ciu proti toku elektrick\u00e9ho pr\u00fadu, pri\u010dom jeho pevnos\u0165 sa zvy\u0161uje s \u00farov\u0148ou \u010distoty.<\/p>\n
Oxid hlinit\u00fd sa prirodzene vyskytuje ako element\u00e1rna zl\u00fa\u010denina v bauxite, ktor\u00fd je zl\u00fa\u010deninou hlin\u00edka a kysl\u00edka. Pri p\u00f4soben\u00ed kysl\u00edka sa jeho reakciou pomaly vytv\u00e1ra ochrann\u00fd film oxidu hlinit\u00e9ho; \u010dasom t\u00e1to l\u00e1tka vytv\u00e1ra tvrd\u00e9 zliatiny s in\u00fdmi prvkami, ako je hor\u010d\u00edk a me\u010f, a poskytuje pevnos\u0165 ako zlo\u017eka miner\u00e1lnych zliatin.<\/p>\n
Pri procese odlievania sa oxid hlinit\u00fd nan\u00e1\u0161a ako ochrann\u00fd povlak na kovov\u00e9 alebo in\u00e9 substr\u00e1ty, aby pomohol zabr\u00e1ni\u0165 kor\u00f3zii t\u00fdm, \u017ee zastav\u00ed ich interakciu s prostred\u00edm. Nielen\u017ee je odoln\u00fd, ale jeho tenk\u00e1 povaha zabezpe\u010duje, \u017ee nenaru\u0161uje norm\u00e1lnu funkciu substr\u00e1tu pod n\u00edm.<\/p>\n
Kor\u00f3znu odolnos\u0165 oxidu hlinit\u00e9ho mo\u017eno ur\u010di\u0165 na z\u00e1klade jeho mikro\u0161trukt\u00fary, konkr\u00e9tne distrib\u00facie \u010dast\u00edc CaO, Fe2O3, MgO a Na2O. Okrem toho zohr\u00e1va v\u00fdznamn\u00fa \u00falohu v jeho kor\u00f3znej odolnosti segreg\u00e1cia ne\u010dist\u00f4t na hraniciach z\u0155n po\u010das procesu spekania, ako aj silik\u00e1ty a in\u00e9 pr\u00edsady pou\u017e\u00edvan\u00e9 ako pomocn\u00e9 l\u00e1tky pri spekan\u00ed.<\/p>\n
\u0160t\u00fadie preuk\u00e1zali, \u017ee predoxid\u00e1cia m\u00f4\u017ee v\u00fdrazne zlep\u0161i\u0165 odolnos\u0165 oxidu hlinit\u00e9ho proti kor\u00f3zii. Keramika obsahuj\u00faca 0,85 hmotnostn\u00e9ho percenta Al2O3, predoxidovan\u00e1 na vzduchu s nulovou teplotou pri 1050 stup\u0148och C po\u010das 4 hod\u00edn, vykazuje ve\u013ek\u00fa odolnos\u0165 vo\u010di roztaven\u00e9mu chloridu v d\u00f4sledku hustej a rovnomernej tvorby usaden\u00edn, \u010do poskytuje ochranu pred p\u00f4soben\u00edm miner\u00e1lnych kysel\u00edn.<\/p>\n
\u010eal\u0161\u00edm sp\u00f4sobom, ako zv\u00fd\u0161i\u0165 odolnos\u0165 oxidu hlinit\u00e9ho proti kor\u00f3zii, je pridanie zlo\u017eiek z u\u0161\u013eachtil\u00fdch kovov, napr\u00edklad hor\u010d\u00edka. T\u00fdm sa zn\u00ed\u017ei r\u00fdchlos\u0165 kat\u00f3dovej reakcie a zv\u00fd\u0161i odolnos\u0165 proti kor\u00f3zii - tento \u00fa\u010dinok sa e\u0161te zv\u00fdrazn\u00ed, ke\u010f sa r\u00fdchlos\u0165 chladenia r\u00fdchlo zr\u00fdchli. Okrem toho pr\u00edtomnos\u0165 chr\u00f3mu aj niklu zni\u017euje riziko vzniku kor\u00f3znych trhl\u00edn pri korundovej keramike.<\/p>","protected":false},"excerpt":{"rendered":"
Aluminum (Al) is an abundant silvery white metal found throughout nature and an indispensable raw material in many different industries. […]<\/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-644","post","type-post","status-publish","format-standard","hentry","category-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/artehistoria.net\/sk\/wp-json\/wp\/v2\/posts\/644","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/artehistoria.net\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/artehistoria.net\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/artehistoria.net\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/artehistoria.net\/sk\/wp-json\/wp\/v2\/comments?post=644"}],"version-history":[{"count":1,"href":"https:\/\/artehistoria.net\/sk\/wp-json\/wp\/v2\/posts\/644\/revisions"}],"predecessor-version":[{"id":645,"href":"https:\/\/artehistoria.net\/sk\/wp-json\/wp\/v2\/posts\/644\/revisions\/645"}],"wp:attachment":[{"href":"https:\/\/artehistoria.net\/sk\/wp-json\/wp\/v2\/media?parent=644"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/artehistoria.net\/sk\/wp-json\/wp\/v2\/categories?post=644"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/artehistoria.net\/sk\/wp-json\/wp\/v2\/tags?post=644"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}