V\u010faka vysokej teplote topenia je oxid hlinit\u00fd vynikaj\u00facim materi\u00e1lom na pou\u017eitie v \u017eiaruvzdorn\u00fdch materi\u00e1loch a je tie\u017e s\u00fa\u010das\u0165ou Hall-Heroultovho procesu na z\u00edskavanie hlin\u00edka z bauxitu.<\/p>\n
V\u010faka svojej odolnosti vo\u010di vysok\u00fdm teplot\u00e1m je keramick\u00fd materi\u00e1l na b\u00e1ze oxidu hlinit\u00e9ho ide\u00e1lnym materi\u00e1lom na pou\u017eitie pri obkladan\u00ed pec\u00ed a vypa\u013eovac\u00edch kom\u00f4r, a to aj v elektrotechnickom a leteckom priemysle.<\/p>\n
Oxid hlinit\u00fd nach\u00e1dza uplatnenie v mnoh\u00fdch oblastiach, od priemyselnej keramiky a\u017e po \u017eiaruvzdorn\u00e9 materi\u00e1ly. V\u010faka svojej odolnosti vo\u010di vysok\u00fdm teplot\u00e1m a n\u00e1ro\u010dn\u00fdm podmienkam je oxid hlinit\u00fd vynikaj\u00facim materi\u00e1lom na v\u00fdmurovku pec\u00ed, su\u0161iarn\u00ed a in\u00fdch priemyseln\u00fdch zariaden\u00ed pracuj\u00facich pri vysok\u00fdch teplot\u00e1ch. Okrem toho je v\u010faka svojej odolnosti vo\u010di kor\u00f3zii a chemick\u00fdm vplyvom neocenite\u013en\u00fd v mnoh\u00fdch v\u00fdrobn\u00fdch procesoch; jeho pevnos\u0165 je mo\u017en\u00e9 e\u0161te zv\u00fd\u0161i\u0165 pridan\u00edm \u010dast\u00edc zirk\u00f3nu alebo vl\u00e1kien karbidu krem\u00edka; k dispoz\u00edcii s\u00fa dokonca aj prieh\u013eadn\u00e9 formy, ktor\u00e9 sa pou\u017e\u00edvaj\u00fa v priemyselnom osvetlen\u00ed.<\/p>\n
Teploty topenia materi\u00e1lov, ako je oxid hlinit\u00fd, s\u00fa ur\u010dovan\u00e9 zlo\u017eit\u00fdmi fyzik\u00e1lno-chemick\u00fdmi reakciami, \u010do s\u0165a\u017euje presn\u00e9 predpovedanie ich hodnoty vopred. Preto by sa na zv\u00fd\u0161enie presnosti pri vykon\u00e1van\u00ed sk\u00fa\u0161ok teploty topenia v r\u00f4znych laborat\u00f3ri\u00e1ch mali tieto sk\u00fa\u0161ky vykon\u00e1va\u0165 za jednotn\u00fdch podmienok, aby sa v\u00fdsledky z r\u00f4znych laborat\u00f3ri\u00ed zhodovali na prakticky rovnakej hodnote.<\/p>\n
Teploty topenia \u017eiaruvzdorn\u00fdch materi\u00e1lov sa meraj\u00fa pomocou termo\u010dl\u00e1nku pripojen\u00e9ho k taviacej n\u00e1dobe, pri\u010dom sa sleduje jej teplota a\u017e do momentu stuhnutia. T\u00e1to met\u00f3da predstavuje najlep\u0161\u00ed sp\u00f4sob v\u00fdpo\u010dtu teploty topenia oxidu hlinit\u00e9ho, ke\u010f\u017ee nevy\u017eaduje pou\u017eitie \u017eiaruvzdornej pece; navy\u0161e tento vysoko presn\u00fd postup je mo\u017en\u00e9 vyu\u017ei\u0165 aj v laborat\u00f3rnych podmienkach.<\/p>\n
\u017diaruvzdorn\u00e9 materi\u00e1ly maj\u00fa \u0161irok\u00e9 uplatnenie v r\u00f4znych priemyseln\u00fdch odvetviach a ich bod topenia m\u00f4\u017ee by\u0165 ukazovate\u013eom ich vhodnosti pre dan\u00fd proces. Napr\u00edklad v odvetv\u00ed z\u00e1kladn\u00fdch kovov sa vo ve\u013ekej miere spoliehaj\u00fa na \u017eiaruvzdorn\u00e9 materi\u00e1ly, ktor\u00e9 odol\u00e1vaj\u00fa kor\u00f3zii sp\u00f4sobenej tekut\u00fdmi kovmi a struskami a z\u00e1rove\u0148 vydr\u017eia teploty vznikaj\u00face po\u010das procesu tavenia. \u017diaruvzdorn\u00e9 materi\u00e1ly musia preto ma\u0165 vysok\u00e9 body topenia, aby si zachovali funk\u010dnos\u0165 aj pri dlhodobom pou\u017e\u00edvan\u00ed.<\/p>\n
\u017diaruvzdorn\u00e9 materi\u00e1ly sa musia nielen testova\u0165 z h\u013eadiska bodu topenia, ale aj hodnoti\u0165 z h\u013eadiska mechanick\u00fdch vlastnost\u00ed, ako s\u00fa zdanliv\u00e1 hustota, miera absorpcie vody, miera otvorenej p\u00f3rovitosti a zmr\u0161tenie pri vypa\u013eovan\u00ed. Sk\u00fa\u0161ky odolnosti vo\u010di tepeln\u00e9mu \u0161oku meraj\u00fa ich schopnos\u0165 odol\u00e1va\u0165 n\u00e1hlym n\u00e1rastom teploty; pri tejto sk\u00fa\u0161ke \u017eiaruvzdorn\u00e9 materi\u00e1ly na b\u00e1ze oxidu hlinit\u00e9ho s optim\u00e1lnym obsahom baddeliyete a n\u00edzkou mierou otvorenej p\u00f3rovitosti pon\u00fakaj\u00fa vynikaj\u00facu trvanlivos\u0165 a m\u00f4\u017eu sa pou\u017e\u00edva\u0165 v r\u00f4znych typoch pec\u00ed.<\/p>\n
V\u010faka vysokej teplote topenia je oxid hlinit\u00fd k\u013e\u00fa\u010dovou surovinou v mnoh\u00fdch priemyseln\u00fdch procesoch, od v\u00fdroby \u017eiaruvzdorn\u00fdch materi\u00e1lov a v\u00fdmuroviek pec\u00ed a\u017e po \u0165a\u017ebu hlin\u00edka z bauxitovej rudy. Okrem toho je v\u010faka svojim tepelne odoln\u00fdm vlastnostiam vhodn\u00fd na v\u00fdmurovku pec\u00ed. Okrem toho zohr\u00e1va k\u013e\u00fa\u010dov\u00fa \u00falohu v Hall-Heroultovom procese, ktor\u00fd sa pou\u017e\u00edva na z\u00edskavanie hlin\u00edka z rudy. Nakoniec, aj keramika, br\u00fasne materi\u00e1ly, keramick\u00e9 povlaky, leteck\u00fd a kozmick\u00fd priemysel a \u0161peci\u00e1lne aplik\u00e1cie \u0165a\u017eia z pou\u017eitia tohto materi\u00e1lu.<\/p>\n
Alfa-oxid hlinit\u00fd, zn\u00e1my aj ako korund, ktor\u00fd sa vyzna\u010duje tvrdos\u0165ou 9,0 pod\u013ea Mohsovej stupnice a vyr\u00e1ba sa kalcin\u00e1ciou surov\u00e9ho telesa pri teplot\u00e1ch nad 1300 \u00b0C, je v s\u00fa\u010dasnosti najkvalitnej\u0161ou formou oxidu hlinit\u00e9ho a sl\u00fa\u017ei ako jedna z hlavn\u00fdch surov\u00edn pre vysokoteplotn\u00e9 \u017eiaruvzdorn\u00e9 materi\u00e1ly a nosi\u010de katalyz\u00e1torov; okrem toho jej pridan\u00edm je mo\u017en\u00e9 vytvori\u0165 jedine\u010dn\u00e9 zlo\u017eenia.<\/p>\n
Oxid hlinit\u00fd sa zvy\u010dajne vyzna\u010duje vynikaj\u00facimi elektrick\u00fdmi izola\u010dn\u00fdmi vlastnos\u0165ami a jeho dielektrick\u00e1 pevnos\u0165 je vy\u0161\u0161ia ako u mnoh\u00fdch in\u00fdch oxidov. Okrem toho v\u010faka n\u00edzkej hustote lep\u0161ie odol\u00e1va po\u0161kodeniu n\u00e1razom. Jeho relat\u00edvne vysok\u00e1 teplota topenia navy\u0161e umo\u017e\u0148uje jeho \u013eahk\u00e9 tvarovanie.<\/p>\n
Oxid hlinit\u00fd sa pou\u017e\u00edva v mnoh\u00fdch technick\u00fdch aplik\u00e1ci\u00e1ch a v aplik\u00e1ci\u00e1ch vy\u017eaduj\u00facich odolnos\u0165 proti oderu, ako s\u00fa \u017e\u013eaby, v\u00fdstelky a tesnenia. V\u010faka svojej vysokej teplotnej odolnosti zohr\u00e1va tie\u017e d\u00f4le\u017eit\u00fa \u00falohu pri v\u00fdrobe br\u00fasnych v\u00fdrobkov a na zv\u00fd\u0161enie h\u00fa\u017eevnatosti ju mo\u017eno vyztu\u017ei\u0165 \u010dasticami zirk\u00f3nu alebo vl\u00e1kien karbidu krem\u00edka; prieh\u013eadn\u00e9 verzie m\u00f4\u017eu dokonca obsahova\u0165 magn\u00e9ziu na dosiahnutie farebnej prieh\u013eadnosti. Oxid hlinit\u00fd sa tie\u017e pou\u017e\u00edva ako s\u00fa\u010das\u0165 vysokotlakov\u00fdch n\u00e1dob na sod\u00edkov\u00fa paru v pouli\u010dn\u00fdch lamp\u00e1ch.<\/p>\n
\u017diaruvzdorn\u00e9 materi\u00e1ly s\u00fa navrhnut\u00e9 tak, aby odol\u00e1vali vysok\u00fdm teplot\u00e1m a n\u00e1ro\u010dn\u00fdm podmienkam, preto musia by\u0165 odoln\u00e9 a ma\u0165 vysok\u00fa teplotu topenia. \u017diaruvzdorn\u00e9 materi\u00e1ly z oxidu hlinit\u00e9ho sa zvy\u010dajne vyskytuj\u00fa vo forme dosiek, profilov alebo teh\u00e1l ur\u010den\u00fdch na stavbu pec\u00ed a nach\u00e1dzaj\u00fa uplatnenie aj v mnoh\u00fdch \u010fal\u0161\u00edch odvetviach, vr\u00e1tane v\u00fdroby papiera, v\u00fdroby \u0165a\u017ekej keramiky, procesov \u0165ahania dr\u00f4tu a textilnej v\u00fdroby.<\/p>\n
Pri v\u00fdrobe keramiky a br\u00fasnych materi\u00e1lov je potrebn\u00e9 s oxidom hlinit\u00fdm zaobch\u00e1dza\u0165 opatrne, aby sa zabr\u00e1nilo jeho l\u00e1maniu po\u010das pou\u017e\u00edvania. Okrem toho nesmie obsahova\u0165 ne\u010distoty, ktor\u00e9 by mohli ovplyvni\u0165 jeho bod topenia a vlastnosti; tieto ne\u010distoty je mo\u017en\u00e9 zisti\u0165 meran\u00edm odch\u00fdlok bodu topenia v r\u00f4znych teplotn\u00fdch rozsahoch \u2013 ak\u00e1ko\u013evek odch\u00fdlka v\u00e4\u010d\u0161ia ako p\u00e4\u0165 stup\u0148ov Celzia je zn\u00e1mkou toho, \u017ee materi\u00e1l obsahuje ne\u010distoty.<\/p>\n
V\u010faka vysokej teplote topenia je oxid hlinit\u00fd ide\u00e1lnym materi\u00e1lom na v\u00fdrobu tepelne odoln\u00fdch komponentov pre leteck\u00e9 motory a kozmick\u00e9 lode, pri\u010dom pon\u00faka pevnos\u0165, odolnos\u0165 a spo\u013eahlivos\u0165 po\u010das dlh\u00fdch letov. Okrem toho s\u00fa jeho antikor\u00f3zne vlastnosti d\u00f4vodom, pre\u010do je oxid hlinit\u00fd atrakt\u00edvnou vo\u013ebou v leteck\u00fdch a kozmick\u00fdch aplik\u00e1ci\u00e1ch.<\/p>\n
Alumina je pevn\u00fd miner\u00e1l typu alfa-aluminosilik\u00e1tu, ktor\u00fd sa z\u00edskava z bauxitovej rudy a vyzna\u010duje sa vynikaj\u00facou odolnos\u0165ou proti kor\u00f3zii a \u017eiaruvzdorn\u00fdmi vlastnos\u0165ami. M\u00e1 tvrd\u00e9, krehk\u00e9 povrchy, ktor\u00e9 vydr\u017eia teploty a\u017e do 1600 \u00b0C, pri\u010dom je vysoko odoln\u00e1 proti kor\u00f3zii v\u010faka i\u00f3nov\u00fdm a kovalentn\u00fdm v\u00e4zb\u00e1m vo svojej \u0161trukt\u00fare. Oxid hlinit\u00fd je tie\u017e vynikaj\u00facou vo\u013ebou materi\u00e1lu v\u010faka svojim tepelnoizola\u010dn\u00fdm vlastnostiam.<\/p>\n
Oxid hlinit\u00fd sa \u0161iroko vyu\u017e\u00edva pri v\u00fdrobe \u017eiaruvzdorn\u00fdch materi\u00e1lov, ako s\u00fa keramika a br\u00fasne materi\u00e1ly, a z\u00e1rove\u0148 sl\u00fa\u017ei ako elektrick\u00fd izol\u00e1tor. Oxid hlinit\u00fd je mo\u017en\u00e9 formova\u0165 do r\u00f4znych tvarov a ve\u013ekost\u00ed s r\u00f4znymi mo\u017enos\u0165ami ve\u013ekosti \u010dast\u00edc, v\u010faka \u010domu sa \u010dasto pou\u017e\u00edva na v\u00fdrobu z\u0155n br\u00fasneho papiera a br\u00fasnych kot\u00fa\u010dov, ako aj na obklady priemyseln\u00fdch pec\u00ed.<\/p>\n
Oxid hlinit\u00fd m\u00e1 ide\u00e1lnu teplotu topenia 2 072 stup\u0148ov Celzia, v\u010faka \u010domu je vysoko \u00fa\u010dinn\u00fdm \u017eiaruvzdorn\u00fdm materi\u00e1lom v prostrediach s vysok\u00fdmi teplotami. Pri v\u00fdrobe oxidu hlinit\u00e9ho sa zvy\u010dajne vyu\u017e\u00edva Bayerov proces, pri ktorom sa z\u00edskava z bauxitovej rudy. Oxid hlinit\u00fd zohr\u00e1va k\u013e\u00fa\u010dov\u00fa \u00falohu v mnoh\u00fdch odvetviach, od energetiky a\u017e po leteck\u00fd a kozmick\u00fd priemysel. Oxid hlinit\u00fd sa nach\u00e1dza v izol\u00e1toroch zapa\u013eovac\u00edch svie\u010dok, puzdr\u00e1ch integrovan\u00fdch obvodov, kostn\u00fdch a zubn\u00fdch implant\u00e1toch, laborat\u00f3rnom skle a zrn\u00e1ch br\u00fasneho papiera; okrem toho zohr\u00e1va v\u00fdznamn\u00fa \u00falohu pri v\u00fdrobe keramiky na b\u00e1ze oxidu hlinit\u00e9ho alebo \u017eiaruvzdorn\u00fdch materi\u00e1lov.<\/p>\n
Oxid hlinit\u00fd je neuverite\u013ene univerz\u00e1lny kov, ktor\u00fd sa vyzna\u010duje odolnos\u0165ou vo\u010di kor\u00f3zii a oderu v mnoh\u00fdch priemyseln\u00fdch odvetviach. Okrem toho je v\u010faka svojej n\u00edzkej hmotnosti a z\u00e1rove\u0148 vysokej pevnosti vhodn\u00fd pre pou\u017eitie v dopravnom a stavebnom priemysle. Hlin\u00edk patr\u00ed medzi naj\u010dastej\u0161ie pou\u017e\u00edvan\u00e9 ne\u017eelezn\u00e9 kovy, ktor\u00e9 sa vyu\u017e\u00edvaj\u00fa od spotrebnej elektroniky a\u017e po dom\u00e1ce spotrebi\u010de \u2013 hoci jeho cena m\u00f4\u017ee kol\u00edsa\u0165 v d\u00f4sledku faktorov, ako je glob\u00e1lna nerovnov\u00e1ha medzi ponukou a dopytom.<\/p>\n
V\u010faka vysokej teplote topenia je oxid hlinit\u00fd vynikaj\u00facim izola\u010dn\u00fdm materi\u00e1lom, vhodn\u00fdm pre mnoh\u00e9 r\u00f4zne pou\u017eitia a zn\u00e1mym svojou trvanlivos\u0165ou a pevnos\u0165ou. Oxid hlinit\u00fd je tie\u017e odoln\u00fd vo\u010di kor\u00f3zii a vyzna\u010duje sa vynikaj\u00facou tepelnou stabilitou \u2013 v\u010faka t\u00fdmto vlastnostiam je \u010dasto vyu\u017e\u00edvan\u00fd ako izola\u010dn\u00fd materi\u00e1l pri v\u00fdrobe elektrick\u00fdch komponentov a \u017eiaruvzdorn\u00fdch materi\u00e1lov; jeho v\u00fdroba zvy\u010dajne zah\u0155\u0148a v\u00fdrobu pr\u00e1\u0161ku, ktor\u00fd sa n\u00e1sledne spek\u00e1 do hust\u00fdch keramick\u00fdch materi\u00e1lov schopn\u00fdch odol\u00e1va\u0165 ve\u013ek\u00fdm sil\u00e1m a vysok\u00fdm teplot\u00e1m.<\/p>\n
Oxid hlinit\u00fd je pevn\u00e1, krehk\u00e1 a biela kry\u0161talick\u00e1 l\u00e1tka s mimoriadne vysokou teplotou topenia 2 072 stup\u0148ov Celzia, \u010do z neho rob\u00ed vynikaj\u00faci materi\u00e1l pre pou\u017eitie v elektrick\u00fdch izol\u00e1ci\u00e1ch a na v\u00fdrobu tepelne odoln\u00fdch komponentov pre leteck\u00e9 motory a kozmick\u00e9 lode, a to v\u010faka jeho schopnosti odol\u00e1va\u0165 extr\u00e9mnym teplot\u00e1m bez po\u0161kodenia. M\u00e1 \u0161irok\u00e9 spektrum priemyseln\u00fdch vyu\u017eit\u00ed, od aplik\u00e1ci\u00ed v oblasti elektrickej izol\u00e1cie cez v\u00fdrobu tepelne odoln\u00fdch komponentov pre leteck\u00e9 motory a v\u00fdrobu kozmick\u00fdch lod\u00ed, a\u017e po izol\u00e1ciu elektrick\u00fdch vodi\u010dov a dokonca aj v\u00fdrobu tepelne odoln\u00fdch komponentov pre motory kozmick\u00fdch lod\u00ed a pou\u017eitie v kozmick\u00fdch lodiach.<\/p>\n
Pri topen\u00ed oxidu hlinit\u00e9ho sa uvo\u013e\u0148uj\u00fa molekuly kysl\u00edka, ktor\u00e9 sa n\u00e1sledne sp\u00e1jaj\u00fa s \u010fal\u0161\u00edmi at\u00f3mami kysl\u00edka a vytv\u00e1raj\u00fa molekuly zl\u00fa\u010den\u00edn s vy\u0161\u0161ou molekulovou hmotnos\u0165ou. \u010c\u00edm s\u00fa jeho molekuly symetrickej\u0161ie, t\u00fdm \u013eah\u0161ie sa pri zahriat\u00ed navz\u00e1jom stohuj\u00fa \u2013 a pr\u00e1ve to dod\u00e1va oxidu hlinit\u00e9mu jeho vysok\u00fa teplotu topenia.<\/p>\n
Oxid hlinit\u00fd vynik\u00e1 ako v\u00fdnimo\u010dn\u00fd materi\u00e1l v\u010faka svojej vysokej teplote topenia, ako aj viacer\u00fdm \u010fal\u0161\u00edm vlastnostiam, v\u010faka ktor\u00fdm je u\u017eito\u010dn\u00fd v \u0161irokej \u0161k\u00e1le aplik\u00e1ci\u00ed. Oxid hlinit\u00fd sl\u00fa\u017ei ako vynikaj\u00faci izolant s n\u00edzkou elektrickou vodivos\u0165ou a odolnos\u0165ou vo\u010di chemick\u00e9mu p\u00f4sobeniu. Okrem toho je v\u010faka svojej v\u00fdnimo\u010dnej tvrdosti (9 na Mohsovej stupnici, najvy\u0161\u0161ia hodnota) vhodn\u00fd na rezanie a br\u00fasenie, ke\u010f\u017ee poskytuje ochranu proti oteru a z\u00e1rove\u0148 je odoln\u00fd vo\u010di opotrebeniu. Z tohto materi\u00e1lu m\u00f4\u017eu \u0165a\u017ei\u0165 aj \u017eiaruvzdorn\u00e9 v\u00fdrobky z oxidu hlinit\u00e9ho, ako s\u00fa tehly alebo dla\u017edice.<\/p>\n
Oxid hlinit\u00fd je mo\u017en\u00e9 vyr\u00e1ba\u0165 tak, aby sp\u013a\u0148al ak\u00e9ko\u013evek \u0161pecifik\u00e1cie z\u00e1kazn\u00edka, pri\u010dom najbe\u017enej\u0161ou formou je kalcinovan\u00fd oxid hlinit\u00fd. T\u00e1to forma sa zvy\u010dajne vyskytuje v podobe Bayerovho kalcin\u00e1tu alebo v r\u00f4znych odrod\u00e1ch ni\u017e\u0161ej kvality s obsahom 85\u201395% Al\u2082O\u2083. Po v\u00fdrobe m\u00f4\u017eu zn\u00ed\u017een\u00e9 verzie obsahova\u0165 pridan\u00e9 oxidy, ako s\u00fa SiO\u2082, CaO a MgO, ktor\u00e9 sl\u00fa\u017eia na vytvorenie tekutej medzizrnnej f\u00e1zy u\u013eah\u010duj\u00facej zhut\u0148ovanie po\u010das spekania, ako aj zn\u00ed\u017een\u00fd obsah na zabr\u00e1nenie nadmern\u00e9mu zahrievaniu po\u010das vypa\u013eovania.<\/p>","protected":false},"excerpt":{"rendered":"
Alumina’s high melting point makes it an excellent material for use in refractories, and also forms part of the Hall-Heroult process for extracting aluminum from bauxite. Alumina ceramic material’s ability to withstand high temperatures makes it the ideal material for use in furnace and kiln lining applications, including electrical and aerospace industries. It is used […]<\/p>\n","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":[64],"tags":[],"class_list":["post-649","post","type-post","status-publish","format-standard","hentry","category-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/posts\/649","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/comments?post=649"}],"version-history":[{"count":1,"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/posts\/649\/revisions"}],"predecessor-version":[{"id":650,"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/posts\/649\/revisions\/650"}],"wp:attachment":[{"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/media?parent=649"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/categories?post=649"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/tags?post=649"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}