{"id":6,"date":"2023-10-08T07:46:55","date_gmt":"2023-10-07T23:46:55","guid":{"rendered":"https:\/\/artehistoria.net\/?p=6"},"modified":"2023-10-08T07:46:55","modified_gmt":"2023-10-07T23:46:55","slug":"introduction-to-zirconia-toughened-alumina","status":"publish","type":"post","link":"https:\/\/artehistoria.net\/sk\/uvod-do-tvrdeneho-oxidu-zirkoniciteho\/","title":{"rendered":"\u00davod do tvrden\u00e9ho oxidu zirkoni\u010dit\u00e9ho"},"content":{"rendered":"<div class=\"max-w-[700px] mx-auto mt-8 p-2\">\n<div class=\"aw-content whitespace-pre-wrap h-fit md:ml-2 lg:ml-0\">\n<p>Vo svete priemyslu a technick\u00fdch materi\u00e1lov v\u017edy h\u013ead\u00e1me l\u00e1tky, ktor\u00e9 s\u00fa robustn\u00e9, odoln\u00e9 a v\u0161estrann\u00e9. Jedn\u00fdm z tak\u00fdchto materi\u00e1lov, ktor\u00fd v posledn\u00fdch rokoch vyvol\u00e1va vlny, je tvrden\u00fd oxid zirkoni\u010dit\u00fd. T\u00e1to zl\u00fa\u010denina, zmes oxidu zirkoni\u010dit\u00e9ho a oxidu hlinit\u00e9ho, m\u00e1 p\u00f4sobiv\u00fd rad vlastnost\u00ed, ktor\u00e9 z nej robia \u0161pi\u010dkov\u00fa vo\u013ebu pre mnoh\u00e9 priemyseln\u00e9 aplik\u00e1cie.<\/p>\n<p>ZTA je kompozitn\u00fd materi\u00e1l, \u010do znamen\u00e1, \u017ee sa sklad\u00e1 z dvoch alebo viacer\u00fdch r\u00f4znych zlo\u017eiek. Tieto zlo\u017eky - v tomto pr\u00edpade zirk\u00f3n a oxid hlinit\u00fd - vykazuj\u00fa v kombin\u00e1cii v\u00fdhodnej\u0161ie vlastnosti, ako ke\u010f s\u00fa v \u010distej forme. Zahrnut\u00edm \u010dast\u00edc zirk\u00f3nia do matrice oxidu hlinit\u00e9ho vznik\u00e1 materi\u00e1l, ktor\u00fd je pevnej\u0161\u00ed a odolnej\u0161\u00ed vo\u010di opotrebovaniu a praskaniu.<\/p>\n<p>V\u00fdznam ZTA v modernom priemysle nemo\u017eno prece\u0148ova\u0165. Jeho jedine\u010dn\u00e9 fyzik\u00e1lne a chemick\u00e9 vlastnosti viedli k jeho \u0161ir\u0161iemu pou\u017e\u00edvaniu v r\u00f4znych odvetviach vr\u00e1tane automobilov\u00e9ho priemyslu, elektroniky, medic\u00edny a letectva. Sk\u00f4r ne\u017e sa v\u0161ak za\u010dneme zaobera\u0165 r\u00f4znymi \u00falohami a aplik\u00e1ciami ZTA, pozrime sa bli\u017e\u0161ie na to, ako sa tento revolu\u010dn\u00fd materi\u00e1l vyr\u00e1ba.<\/p>\n<h1>V\u00fdrobn\u00fd proces tvrden\u00e9ho oxidu zirkoni\u010dit\u00e9ho<\/h1>\n<p>V\u00fdroba tvrden\u00e9ho oxidu zirkoni\u010dit\u00e9ho zah\u0155\u0148a proces zn\u00e1my ako klzn\u00e9 odlievanie. Tento proces sa za\u010d\u00edna pr\u00edpravou sklzu - suspenzie surov\u00edn (zirk\u00f3nia a oxidu hlinit\u00e9ho) vo vode. Slip sa naleje do formy, kde sa voda absorbuje a zanech\u00e1 pevn\u00fd \"zelen\u00fd\" kus. Tento zelen\u00fd kus sa potom vysu\u0161\u00ed a vyp\u00e1li pri vysok\u00fdch teplot\u00e1ch, aby sa zv\u00fd\u0161ila jeho tvrdos\u0165 a pevnos\u0165.<\/p>\n<p>Po\u010das procesu vypa\u013eovania prech\u00e1dzaj\u00fa \u010dastice zirk\u00f3nu v matrici oxidu hlinit\u00e9ho f\u00e1zovou transform\u00e1ciou, ktor\u00e1 sp\u00f4sobuje ich roz\u0161\u00edrenie. T\u00e1to expanzia vystavuje okolit\u00fd oxid hlinit\u00fd tlakov\u00e9mu nam\u00e1haniu, \u010do zvy\u0161uje h\u00fa\u017eevnatos\u0165 materi\u00e1lu. V\u00fdsledn\u00fdm produktom je materi\u00e1l, ktor\u00fd vykazuje vynikaj\u00facu tvrdos\u0165, odolnos\u0165 proti opotrebovaniu a lomov\u00fa h\u00fa\u017eevnatos\u0165 - vlastnosti, ktor\u00e9 s\u00fa ide\u00e1lne pre mnoh\u00e9 priemyseln\u00e9 aplik\u00e1cie.<\/p>\n<p>V\u00fdrobn\u00fd proces ZTA sa d\u00e1 jemne vyladi\u0165 na dosiahnutie po\u017eadovan\u00fdch vlastnost\u00ed. Napr\u00edklad pomer zirk\u00f3nu a oxidu hlinit\u00e9ho mo\u017eno upravi\u0165 tak, aby sa optimalizovala h\u00fa\u017eevnatos\u0165 a tvrdos\u0165. Teplota a \u010das v\u00fdpalu sa tie\u017e m\u00f4\u017eu upravova\u0165, aby sa kontrolovala f\u00e1zov\u00e1 premena \u010dast\u00edc zirk\u00f3nu.<\/p>\n<h1>Vlastnosti tvrden\u00e9ho oxidu zirkoni\u010dit\u00e9ho<\/h1>\n<p>ZTA je zn\u00e1my svojimi v\u00fdnimo\u010dn\u00fdmi vlastnos\u0165ami, v\u010faka ktor\u00fdm je ve\u013emi \u017eiadan\u00fd v r\u00f4znych priemyseln\u00fdch odvetviach. Jeho hlavnou vlastnos\u0165ou je bezkonkuren\u010dn\u00e1 h\u00fa\u017eevnatos\u0165, ktor\u00e1 je podstatne vy\u0161\u0161ia ako u \u010dist\u00e9ho oxidu hlinit\u00e9ho. T\u00e1to h\u00fa\u017eevnatos\u0165 je v\u00fdsledkom f\u00e1zovej premeny \u010dast\u00edc zirk\u00f3nu po\u010das v\u00fdpalu, pri ktorej je okolit\u00fd oxid hlinit\u00fd vystaven\u00fd tlakov\u00e9mu nam\u00e1haniu.<\/p>\n<p>Okrem svojej h\u00fa\u017eevnatosti vykazuje ZTA aj vynikaj\u00facu odolnos\u0165 proti opotrebovaniu. To je obzvl\u00e1\u0161\u0165 d\u00f4le\u017eit\u00e9 v aplik\u00e1ci\u00e1ch, kde je materi\u00e1l vystaven\u00fd abraz\u00edvnemu alebo eroz\u00edvnemu opotrebovaniu, ako napr\u00edklad v rezn\u00fdch n\u00e1strojoch alebo v povlakoch odoln\u00fdch vo\u010di opotrebovaniu. \u010eal\u0161ou k\u013e\u00fa\u010dovou vlastnos\u0165ou ZTA je jeho tvrdos\u0165. Hoci ZTA nie je tak\u00fd tvrd\u00fd ako \u010dist\u00fd oxid hlinit\u00fd, st\u00e1le vykazuje vynikaj\u00facu tvrdos\u0165, ktor\u00e1 prispieva k jeho odolnosti proti opotrebovaniu.<\/p>\n<p>ZTA sa vyzna\u010duje aj dobrou tepelnou stabilitou, \u010do znamen\u00e1, \u017ee odol\u00e1va vysok\u00fdm teplot\u00e1m bez toho, aby degradoval. V\u010faka tomu je vhodn\u00fd na pou\u017eitie v prostred\u00ed s vysok\u00fdmi teplotami, napr\u00edklad vo v\u00fdmurovk\u00e1ch pec\u00ed alebo v\u00fdmenn\u00edkoch tepla. Okrem toho je ZTA chemicky inertn\u00fd, \u010do znamen\u00e1, \u017ee odol\u00e1va kor\u00f3zii a nereaguje s in\u00fdmi chemik\u00e1liami. V\u010faka tejto vlastnosti je ide\u00e1lny na pou\u017eitie v koroz\u00edvnom prostred\u00ed alebo v aplik\u00e1ci\u00e1ch, kde sa vy\u017eaduje chemick\u00e1 stabilita.<\/p>\n<h1>\u00daloha tvrden\u00e9ho oxidu zirkoni\u010dit\u00e9ho v modernom priemysle<\/h1>\n<p>ZTA zohr\u00e1va v\u010faka svojim v\u00fdnimo\u010dn\u00fdm vlastnostiam d\u00f4le\u017eit\u00fa \u00falohu v modernom priemysle. V\u010faka svojej h\u00fa\u017eevnatosti, odolnosti proti opotrebovaniu, tvrdosti, tepelnej stabilite a chemickej inertnosti je vhodn\u00fd na \u0161irok\u00fa \u0161k\u00e1lu aplik\u00e1ci\u00ed.<\/p>\n<p>V automobilovom priemysle sa ZTA pou\u017e\u00edva pri v\u00fdrobe komponentov, ako s\u00fa ventily, piesty a vlo\u017eky valcov, kde sa vy\u017eaduje vysok\u00e1 odolnos\u0165 proti opotrebovaniu a h\u00fa\u017eevnatos\u0165. V elektronickom priemysle sa ZTA pou\u017e\u00edva pri v\u00fdrobe substr\u00e1tov pre mikroelektroniku, kde je rozhoduj\u00faca jeho vynikaj\u00faca tepeln\u00e1 stabilita a elektrick\u00e9 izola\u010dn\u00e9 vlastnosti.<\/p>\n<p>Pou\u017e\u00edvanie ZTA je v\u00fdhodn\u00e9 aj pre zdravotn\u00edcky priemysel. Pou\u017e\u00edva sa pri v\u00fdrobe lek\u00e1rskych implant\u00e1tov, ako s\u00fa n\u00e1hrady bedrov\u00e9ho a kolenn\u00e9ho k\u013abu, v\u010faka svojej biologickej inertnosti a vynikaj\u00facej odolnosti proti opotrebovaniu. V leteckom a kozmickom priemysle sa ZTA pou\u017e\u00edva pri v\u00fdrobe komponentov pre motory plynov\u00fdch turb\u00edn, kde je d\u00f4le\u017eit\u00e1 jeho schopnos\u0165 odol\u00e1va\u0165 vysok\u00fdm teplot\u00e1m a opotrebovaniu.<\/p>\n<h1>Pou\u017eitie tvrden\u00e9ho oxidu zirkoni\u010dit\u00e9ho<\/h1>\n<p>Pou\u017eitie ZTA je v\u010faka jeho v\u0161estrann\u00fdm vlastnostiam \u0161irok\u00e9 a rozmanit\u00e9. Pou\u017e\u00edva sa pri v\u00fdrobe rezn\u00fdch n\u00e1strojov, kde jeho vynikaj\u00faca odolnos\u0165 proti opotrebovaniu a h\u00fa\u017eevnatos\u0165 umo\u017e\u0148uj\u00fa odol\u00e1va\u0165 n\u00e1ro\u010dn\u00fdm rezn\u00fdm oper\u00e1ci\u00e1m. Pou\u017e\u00edva sa aj pri v\u00fdrobe povlakov odoln\u00fdch proti opotrebovaniu, kde jeho tvrdos\u0165 a odolnos\u0165 proti opotrebovaniu zabezpe\u010duj\u00fa ochranu podkladov\u00fdch materi\u00e1lov.<\/p>\n<p>ZTA sa pou\u017e\u00edva aj pri v\u00fdrobe keramick\u00fdch lo\u017e\u00edsk, kde jeho tvrdos\u0165, odolnos\u0165 proti opotrebovaniu a chemick\u00e1 stabilita zabezpe\u010duj\u00fa dlh\u00fa \u017eivotnos\u0165 a spo\u013eahlivos\u0165. Jeho pou\u017eitie sa roz\u0161iruje na v\u00fdrobu tepeln\u00fdch bari\u00e9rov\u00fdch povlakov, kde jeho vynikaj\u00faca tepeln\u00e1 stabilita poskytuje ochranu komponentov vystaven\u00fdch vysok\u00fdm teplot\u00e1m.<\/p>\n<p>V oblasti medic\u00edny sa ZTA pou\u017e\u00edva pri v\u00fdrobe zubn\u00fdch implant\u00e1tov a protetick\u00fdch k\u013abov. Jeho biologick\u00e1 inertnos\u0165 spolu s vynikaj\u00facou odolnos\u0165ou proti opotrebovaniu a h\u00fa\u017eevnatos\u0165ou ho predur\u010duj\u00fa na tieto aplik\u00e1cie. V\u0161estrannos\u0165 tohto materi\u00e1lu je skuto\u010dne pozoruhodn\u00e1 a \u0161\u00edrka jeho pou\u017eitia vypoved\u00e1 o jeho potenci\u00e1li v modernom priemysle.<\/p>\n<h1>V\u00fdhody pou\u017e\u00edvania tvrden\u00e9ho oxidu zirkoni\u010dit\u00e9ho<\/h1>\n<p>V\u00fdhody pou\u017e\u00edvania tvrden\u00e9ho oxidu zirkoni\u010dit\u00e9ho v priemysle s\u00fa po\u010detn\u00e9. Po prv\u00e9, jeho v\u00fdnimo\u010dn\u00e1 h\u00fa\u017eevnatos\u0165 a odolnos\u0165 proti opotrebovaniu sa prejavuje v zv\u00fd\u0161enej trvanlivosti a \u017eivotnosti komponentov z neho vyroben\u00fdch. V\u00fdsledkom je zn\u00ed\u017eenie n\u00e1kladov na \u00fadr\u017ebu a prestojov, \u010do vedie k zv\u00fd\u0161eniu efekt\u00edvnosti a produktivity.<\/p>\n<p>Po druh\u00e9, tepeln\u00e1 stabilita ZTA umo\u017e\u0148uje jeho pou\u017eitie vo vysokoteplotn\u00fdch aplik\u00e1ci\u00e1ch, \u010d\u00edm sa roz\u0161iruje rozsah jeho pou\u017eitia. Jeho chemick\u00e1 inertnos\u0165 tie\u017e znamen\u00e1, \u017ee sa m\u00f4\u017ee pou\u017e\u00edva\u0165 v koroz\u00edvnom prostred\u00ed alebo v aplik\u00e1ci\u00e1ch, kde sa vy\u017eaduje chemick\u00e1 stabilita.<\/p>\n<p>A napokon, schopnos\u0165 jemne doladi\u0165 vlastnosti ZTA po\u010das v\u00fdroby umo\u017e\u0148uje vyr\u00e1ba\u0165 materi\u00e1ly prisp\u00f4soben\u00e9 konkr\u00e9tnym aplik\u00e1ci\u00e1m. T\u00e1to flexibilita je v\u00fdznamnou v\u00fdhodou v neust\u00e1le sa vyv\u00edjaj\u00facom svete priemyslu, kde sa po\u017eiadavky na materi\u00e1ly neust\u00e1le menia.<\/p>\n<h1>V\u00fdzvy a rie\u0161enia pri v\u00fdrobe tvrden\u00e9ho oxidu zirkoni\u010dit\u00e9ho<\/h1>\n<p>Napriek mnoh\u00fdm v\u00fdhod\u00e1m predstavuje v\u00fdroba ZTA ur\u010dit\u00e9 v\u00fdzvy. Jednou z hlavn\u00fdch v\u00fdziev je kontrola f\u00e1zovej transform\u00e1cie \u010dast\u00edc zirk\u00f3nu po\u010das v\u00fdpalu. Ak sa t\u00e1to transform\u00e1cia riadne nekontroluje, m\u00f4\u017ee vies\u0165 k praskaniu alebo deform\u00e1cii materi\u00e1lu.<\/p>\n<p>Tento probl\u00e9m sa v\u0161ak d\u00e1 rie\u0161i\u0165 starostliv\u00fdm riaden\u00edm teploty a \u010dasu v\u00fdpalu. T\u00fdmto sp\u00f4sobom mo\u017eno riadi\u0165 f\u00e1zov\u00fa transform\u00e1ciu, \u010do vedie k z\u00edskaniu materi\u00e1lu s optim\u00e1lnymi vlastnos\u0165ami.<\/p>\n<p>\u010eal\u0161ou v\u00fdzvou je dosiahnutie rovnomern\u00e9ho rozlo\u017eenia \u010dast\u00edc zirk\u00f3nu v matrici oxidu hlinit\u00e9ho. Nerovnomern\u00e9 rozlo\u017eenie m\u00f4\u017ee vies\u0165 k zmen\u00e1m vlastnost\u00ed cel\u00e9ho materi\u00e1lu. T\u00fato v\u00fdzvu mo\u017eno prekona\u0165 optimaliz\u00e1ciou procesu pr\u00edpravy sklzu, \u010d\u00edm sa zabezpe\u010d\u00ed homog\u00e9nne rozlo\u017eenie \u010dast\u00edc.<\/p>\n<h1>Najnov\u0161\u00ed v\u00fdvoj v technol\u00f3gii tvrden\u00e9ho oxidu zirkoni\u010dit\u00e9ho<\/h1>\n<p>V posledn\u00fdch rokoch do\u0161lo k v\u00fdznamn\u00e9mu pokroku v technol\u00f3gii ZTA. Vedci a in\u017einieri sk\u00famaj\u00fa sp\u00f4soby \u010fal\u0161ieho zlep\u0161enia vlastnost\u00ed ZTA, predov\u0161etk\u00fdm jeho h\u00fa\u017eevnatosti a odolnosti proti opotrebovaniu.<\/p>\n<p>Jedn\u00fdm z najs\u013eubnej\u0161\u00edch v\u00fdvojov\u00fdch trendov je pou\u017eitie nanorozmern\u00fdch \u010dast\u00edc zirk\u00f3nia. Zmen\u0161en\u00edm ve\u013ekosti \u010dast\u00edc zirk\u00f3nia sa v\u00fdskumn\u00edkom podarilo dosiahnu\u0165 ich rovnomernej\u0161ie rozlo\u017eenie v matrici oxidu hlinit\u00e9ho. V\u00fdsledkom je materi\u00e1l s e\u0161te v\u00e4\u010d\u0161ou h\u00fa\u017eevnatos\u0165ou a odolnos\u0165ou proti opotrebovaniu.<\/p>\n<p>Okrem toho pokrok vo v\u00fdrobn\u00fdch technik\u00e1ch umo\u017enil v\u00fdrobu ZTA so zlo\u017eitej\u0161\u00edmi tvarmi a kon\u0161trukciami. T\u00fdm sa roz\u0161\u00edril rozsah pou\u017eitia ZTA, najm\u00e4 v oblasti medic\u00edny a elektroniky.<\/p>\n<h1>Bud\u00facnos\u0165 tvrden\u00e9ho oxidu zirkoni\u010dit\u00e9ho v priemysle<\/h1>\n<p>Bud\u00facnos\u0165 tvrden\u00e9ho oxidu zirkoni\u010dit\u00e9ho v priemysle vyzer\u00e1 s\u013eubne. S pokra\u010duj\u00facim v\u00fdskumom a v\u00fdvojom je pravdepodobn\u00e9, \u017ee budeme svedkami \u010fal\u0161ieho zlep\u0161ovania vlastnost\u00ed ZTA. To otvor\u00ed nov\u00e9 aplik\u00e1cie a pr\u00edle\u017eitosti pre tento pozoruhodn\u00fd materi\u00e1l.<\/p>\n<p>Okrem toho, ke\u010f\u017ee priemyseln\u00e9 odvetvia na\u010falej h\u013eadaj\u00fa materi\u00e1ly, ktor\u00e9 s\u00fa robustn\u00e9, odoln\u00e9 a univerz\u00e1lne, dopyt po ZTA pravdepodobne porastie. \u010ci u\u017e ide o automobilov\u00fd, elektronick\u00fd, zdravotn\u00edcky alebo leteck\u00fd priemysel, ZTA sa osved\u010dil ako materi\u00e1l, ktor\u00fd si mo\u017eno vybra\u0165. V\u010faka svojej jedine\u010dnej kombin\u00e1cii vlastnost\u00ed bude zohr\u00e1va\u0165 v\u00fdznamn\u00fa \u00falohu v bud\u00facnosti modern\u00e9ho priemyslu.<\/p>\n<h1>Z\u00e1ver<\/h1>\n<p>Z\u00e1verom mo\u017eno poveda\u0165, \u017ee tvrden\u00fd oxid zirkoni\u010dit\u00fd je revolu\u010dn\u00fd materi\u00e1l, ktor\u00fd v\u00fdznamne ovplyvnil modern\u00fd priemysel. V\u010faka svojej v\u00fdnimo\u010dnej h\u00fa\u017eevnatosti, odolnosti proti opotrebovaniu, tvrdosti, tepelnej stabilite a chemickej inertnosti na\u0161iel uplatnenie v mnoh\u00fdch odvetviach.<\/p>\n<p>Napriek probl\u00e9mom spojen\u00fdm s jeho v\u00fdrobou umo\u017enil pokrok v technol\u00f3gii a v\u00fdrobn\u00fdch postupoch v\u00fdrobu ZTA s lep\u0161\u00edmi vlastnos\u0165ami a v\u00e4\u010d\u0161ou univerz\u00e1lnos\u0165ou. Pri poh\u013eade do bud\u00facnosti je zrejm\u00e9, \u017ee ZTA bude aj na\u010falej zohr\u00e1va\u0165 k\u013e\u00fa\u010dov\u00fa \u00falohu vo v\u00fdvoji modern\u00e9ho priemyslu. Mo\u017enosti tohto pozoruhodn\u00e9ho materi\u00e1lu s\u00fa obrovsk\u00e9 a jeho potenci\u00e1l je skuto\u010dne vzru\u0161uj\u00faci.<\/p>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>In the world of industry and engineering materials, we are always on the hunt for substances that are robust, durable, [&hellip;]<\/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":[2],"tags":[],"class_list":["post-6","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/artehistoria.net\/sk\/wp-json\/wp\/v2\/posts\/6","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=6"}],"version-history":[{"count":1,"href":"https:\/\/artehistoria.net\/sk\/wp-json\/wp\/v2\/posts\/6\/revisions"}],"predecessor-version":[{"id":7,"href":"https:\/\/artehistoria.net\/sk\/wp-json\/wp\/v2\/posts\/6\/revisions\/7"}],"wp:attachment":[{"href":"https:\/\/artehistoria.net\/sk\/wp-json\/wp\/v2\/media?parent=6"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/artehistoria.net\/sk\/wp-json\/wp\/v2\/categories?post=6"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/artehistoria.net\/sk\/wp-json\/wp\/v2\/tags?post=6"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}