Hlin\u00edk je m\u011bkk\u00fd, nemagnetick\u00fd materi\u00e1l, kter\u00fd je tv\u00e1rn\u00fd a odoln\u00fd proti korozi, tak\u017ee je vhodn\u00fd pro r\u016fzn\u00e9 aplikace, v\u010detn\u011b hlin\u00edkov\u00fdch f\u00f3li\u00ed\/konzervy\/baterie\/n\u00e1\u010din\u00ed a elektrick\u00e9 izolace.<\/p>\n
Chromatografick\u00e9 laborato\u0159e \u010dasto pou\u017e\u00edvaj\u00ed silikagel jako m\u00e9dium pro sv\u00e9 experimenty. Je k dispozici v z\u00e1sadit\u00e9 i kysel\u00e9 form\u011b a je vynikaj\u00edc\u00edm vodi\u010dem elekt\u0159iny a tepla.<\/p>\n
Hlin\u00edk je vynikaj\u00edc\u00ed kov s v\u00fdjime\u010dn\u00fdmi elektrick\u00fdmi vlastnostmi, kter\u00fd m\u00e1 srovnatelnou vodivost jako st\u0159\u00edbro, zlato a m\u011b\u010f. Krom\u011b toho je d\u00edky sv\u00e9 tepeln\u00e9 vodivosti ide\u00e1ln\u00ed pro v\u00fdkonovou elektroniku. Krom\u011b toho se tento materi\u00e1l m\u016f\u017ee pochlubit v\u00fdjime\u010dnou odolnost\u00ed a n\u00edzkou hmotnost\u00ed a z\u00e1rove\u0148 je \u0161etrn\u00fd k \u017eivotn\u00edmu prost\u0159ed\u00ed.<\/p>\n
Elektrickou vodivost oxidu hlinit\u00e9ho lze p\u0159i\u010d\u00edst jeho atomov\u00e9 struktu\u0159e. Atomy hlin\u00edku jsou uspo\u0159\u00e1d\u00e1ny do hexagon\u00e1ln\u00ed m\u0159\u00ed\u017eky, p\u0159i\u010dem\u017e ka\u017ed\u00fd atom je obklopen mrakem elektron\u016f voln\u011b v\u00e1zan\u00fdch na p\u0159\u00edslu\u0161n\u00e9 atomy; tyto voln\u00e9 elektrony vedou elekt\u0159inu v cel\u00e9m kovu, co\u017e v\u00fdznamn\u011b p\u0159isp\u00edv\u00e1 k jeho elektrick\u00e9 vodivosti. Jeho elektrick\u00e9 vlastnosti v\u0161ak mohou b\u00fdt v\u00fdznamn\u011b ovlivn\u011bny povrchov\u00fdmi podm\u00ednkami; zm\u011bna jeho povrchu m\u016f\u017ee podstatn\u011b sn\u00ed\u017eit elektrickou vodivost a elektrick\u00e9 vlastnosti oxidu hlinit\u00e9ho se mohou odpov\u00eddaj\u00edc\u00edm zp\u016fsobem zm\u011bnit.<\/p>\n
Hlin\u00edk se vyzna\u010duje vynikaj\u00edc\u00ed chemickou stabilitou a odolnost\u00ed proti korozi, tak\u017ee je vhodn\u00fd pro \u0159adu aplikac\u00ed, jako je automobilov\u00e1 elektronika, petrochemie a pr\u016fmyslov\u00e9 stroje. Krom\u011b toho m\u016f\u017ee fungovat jako \u00fa\u010dinn\u00e1 n\u00e1hrada m\u011bdi v nadzemn\u00edch elektrick\u00fdch veden\u00edch d\u00edky tomu, \u017ee p\u0159en\u00e1\u0161\u00ed v\u011bt\u0161\u00ed proudov\u00e9 zat\u00ed\u017een\u00ed bez ztr\u00e1t.<\/p>\n
A\u010dkoli je oxid hlinit\u00fd \u00fa\u010dinn\u00fdm vodi\u010dem tepla, jeho tepeln\u00e1 vodivost m\u00edrn\u011b zaost\u00e1v\u00e1 za m\u011bd\u00ed. I tak z\u016fst\u00e1v\u00e1 jeho tepeln\u00e1 vodivost na oxidovou keramiku pom\u011brn\u011b vysok\u00e1 a lze ji dokonce d\u00e1le zv\u00fd\u0161it p\u0159id\u00e1n\u00edm \u010d\u00e1stic zirkonia nebo karbidu k\u0159em\u00edku - tento proces zvy\u0161uje hou\u017eevnatost a zlep\u0161uje elektrick\u00e9 vlastnosti i pr\u016fsvitnost p\u0159im\u00edch\u00e1n\u00edm mal\u00e9ho mno\u017estv\u00ed magn\u00e9zia.<\/p>\n
Oxid hlinit\u00fd m\u00e1 p\u0159irozen\u011b vrstvu oxidu hlinit\u00e9ho, kter\u00e1 slou\u017e\u00ed jako ochrana p\u0159ed oxidac\u00ed. Eloxov\u00e1n\u00edm lze tuto tlou\u0161\u0165ku a vodivost zv\u00fd\u0161it, nicm\u00e9n\u011b by se t\u00edm mohla v\u00fdrazn\u011b sn\u00ed\u017eit odolnost hlin\u00edku proti korozi.<\/p>\n
Hlin\u00edk se vyskytuje v\u0161ude, od pr\u016fmyslov\u00fdch provoz\u016f a\u017e po l\u00e9ka\u0159sk\u00e9 a automobilov\u00e9 provozy, a je jedn\u00edm z nejvyhled\u00e1van\u011bj\u0161\u00edch materi\u00e1l\u016f pro desky s plo\u0161n\u00fdmi spoji (PCB). Obliba oxidu hlinit\u00e9ho spo\u010d\u00edv\u00e1 v jeho vyu\u017eit\u00ed jako konvekce - p\u0159enos tepla pohybem kapaliny, radiace - p\u0159enos tepeln\u00e9 energie ve form\u011b elektromagnetick\u00e9ho z\u00e1\u0159en\u00ed a kondukce - p\u0159\u00edm\u00fd kontakt mezi povrchy.<\/p>\n
Hlin\u00edk je ide\u00e1ln\u00ed tepeln\u00fd vodi\u010d a elektrick\u00fd izolant. D\u00edky n\u00edzk\u00e9 chemick\u00e9 inertnosti a elektroizola\u010dn\u00edm vlastnostem se jeho tepeln\u00e1 vodivost \u0159ad\u00ed mezi ostatn\u00ed oxidov\u00e9 keramiky; nav\u00edc d\u00edky teplotn\u00ed toleranci odol\u00e1v\u00e1 velmi vysok\u00fdm teplot\u00e1m, ani\u017e by se po\u0161kodil - ide\u00e1ln\u00ed pro aplikace vy\u017eaduj\u00edc\u00ed p\u0159enos tepla i elektrickou izolaci. Krystalick\u00e1 struktura a \u010distota oxidu hlinit\u00e9ho umo\u017e\u0148uj\u00ed rychl\u00fd rozptyl tepla, zat\u00edmco jeho odolnost proti \u0161\u00ed\u0159en\u00ed trhlin zaru\u010duje, \u017ee odol\u00e1 mechanick\u00e9mu nam\u00e1h\u00e1n\u00ed, kter\u00e9 by jin\u00e9 materi\u00e1ly ohrozilo.<\/p>\n
Elektrick\u00e1 vodivost oxidu hlinit\u00e9ho vypl\u00fdv\u00e1 z jeho iontov\u00e9 vazby. P\u0159i n\u00edzk\u00fdch teplot\u00e1ch se oxid hlinit\u00fd chov\u00e1 jako elektronick\u00fd izolant, ale p\u0159i vy\u0161\u0161\u00edch teplot\u00e1ch se st\u00e1v\u00e1 iontov\u00fdm vodi\u010dem d\u00edky voln\u011b se pohybuj\u00edc\u00edm iont\u016fm v jeho struktu\u0159e, kter\u00e9 umo\u017e\u0148uj\u00ed voln\u00fd pohyb elekt\u0159iny. Zat\u00edmco jeho vodivost se m\u011bn\u00ed v z\u00e1vislosti na teplot\u011b a velikosti \u010d\u00e1stic, iontov\u00e1 vodivost m\u00e1 tendenci se zvy\u0161uj\u00edc\u00ed se teplotou klesat.<\/p>\n
Hlin\u00edk se vyzna\u010duje siln\u00fdmi a dlouhodob\u00fdmi iontov\u00fdmi vazbami, d\u00edky nim\u017e je jeho elektrick\u00e1 vodivost v\u00fdjime\u010dn\u00e1. Krom\u011b toho m\u00e1 n\u00edzkou teplotu t\u00e1n\u00ed a hustotu - d\u00edky tomu je vhodn\u00fd do n\u00e1ro\u010dn\u00fdch podm\u00ednek - d\u0159\u00edve se pou\u017e\u00edval v kel\u00edmc\u00edch k taven\u00ed kov\u016f a l\u00e1tek; nyn\u00ed je nahrazen nerezovou ocel\u00ed a ne\u017eelezn\u00fdmi kovy, jako je m\u011b\u010f.<\/p>\n
Jednou z mnoha fascinuj\u00edc\u00edch vlastnost\u00ed oxidu hlinit\u00e9ho je jeho elektrick\u00e1 vodivost. To je mo\u017en\u00e9 d\u00edky tomu, \u017ee oxid hlinit\u00fd je p\u0159\u00edrodn\u00ed kov pokryt\u00fd tenkou vrstvou oxidu hlinit\u00e9ho, kter\u00fd poskytuje ochranu p\u0159ed kysl\u00edkem v prost\u0159ed\u00ed, kter\u00fd m\u016f\u017ee v\u00e9st ke korozi, a m\u016f\u017ee b\u00fdt dokonce zes\u00edlen eloxov\u00e1n\u00edm.<\/p>\n
Hlin\u00edk je proto vynikaj\u00edc\u00ed volbou materi\u00e1lu pro vysoce v\u00fdkonn\u00e9 aplikace opot\u0159eben\u00ed v pr\u016fmyslov\u00e9m prost\u0159ed\u00ed. D\u00edky sv\u00e9 pevnosti, odolnosti proti ot\u011bru a chemick\u00e9 inertnosti se \u010dasto pou\u017e\u00edv\u00e1 jako substr\u00e1tov\u00fd materi\u00e1l v \u0159ezn\u00fdch n\u00e1stroj\u00edch - p\u0159id\u00e1n\u00edm \u010d\u00e1stic oxidu zirkoni\u010dit\u00e9ho nebo karbidu k\u0159em\u00edku se jeho hou\u017eevnatost p\u0159i v\u00fdrob\u011b \u0159ezn\u00fdch n\u00e1stroj\u016f je\u0161t\u011b zv\u00fd\u0161\u00ed. Hlin\u00edk slou\u017e\u00ed tak\u00e9 jako substr\u00e1t vysokotlak\u00fdch sod\u00edkov\u00fdch pouli\u010dn\u00edch lamp!<\/p>\n
Surov\u00fd oxid hlinit\u00fd vykazuje velmi n\u00edzkou elektrickou vodivost, proto\u017ee m\u00e1 13 elektron\u016f, kter\u00e9 nejsou pevn\u011b dr\u017eeny atomy hlin\u00edku, co\u017e znamen\u00e1, \u017ee tyto voln\u00e9 elektrony jsou n\u00e1chyln\u00e9 k p\u0159em\u00edst\u011bn\u00ed elektrick\u00fdm proudem vstupuj\u00edc\u00edm do jeho p\u00f3r\u016f - co\u017e je n\u011bco, co um\u00ed m\u011b\u010f; naproti tomu v\u0161ak voln\u00e9 elektrony v oxidu hlinit\u00e9m pravd\u011bpodobn\u011b za\u017eij\u00ed sr\u00e1\u017eky fonon\u016f, kter\u00e9 zp\u016fsob\u00ed jejich rozptyl, a t\u00edm zabr\u00e1n\u00ed pr\u016fchodu elekt\u0159iny.<\/p>\n
Hlin\u00edk je extr\u00e9mn\u011b \u017e\u00e1ruvzdorn\u00fd keramick\u00fd materi\u00e1l a lze jej vyu\u017e\u00edt v mnoha pr\u016fmyslov\u00fdch aplikac\u00edch. D\u00edky sv\u00e9 vynikaj\u00edc\u00ed pevnosti a tvrdosti je oxid hlinit\u00fd odoln\u00fd v\u016f\u010di od\u011bru, ot\u011bru a erozi i chemick\u00e9 korozi; nav\u00edc je tak\u00e9 odoln\u00fd v\u016f\u010di teplot\u00e1m, tak\u017ee je vhodn\u00fd pro pou\u017eit\u00ed v drsn\u00e9m prost\u0159ed\u00ed, s jak\u00fdm se setk\u00e1v\u00e1me nap\u0159\u00edklad p\u0159i pr\u00e1ci v chemick\u00fdch laborato\u0159\u00edch.<\/p>\n
Hlin\u00edk se m\u016f\u017ee pochlubit vysokou tepelnou vodivost\u00ed v porovn\u00e1n\u00ed s elektrick\u00fdm odporem, co\u017e znamen\u00e1, \u017ee dok\u00e1\u017ee rychle odv\u00e1d\u011bt teplo vytvo\u0159en\u00e9 elektrick\u00fdm proudem. D\u00edky t\u00e9to vlastnosti je oxid hlinit\u00fd ide\u00e1ln\u00ed pro elektronick\u00e1 za\u0159\u00edzen\u00ed, kde se nap\u00e1jec\u00ed zdroje mus\u00ed \u00fa\u010dinn\u011b vypo\u0159\u00e1dat s velk\u00fdm mno\u017estv\u00edm tepla. Krom\u011b toho se tento materi\u00e1l m\u016f\u017ee pochlubit vynikaj\u00edc\u00edmi dielektrick\u00fdmi vlastnostmi, d\u00edky nim\u017e je vysoce stabiln\u00ed. D\u00edky n\u00edzk\u00e9mu tangenci\u00e1lu ztr\u00e1t a tuhosti je nav\u00edc oxid hlinit\u00fd vynikaj\u00edc\u00ed volbou pro elektroizola\u010dn\u00ed aplikace.<\/p>\n
Na rozd\u00edl od v\u011bt\u0161iny oxidov\u00e9 keramiky se oxid hlinit\u00fd vyzna\u010duje silnou iontovou meziatomovou vazbou, kter\u00e1 mu prop\u016fj\u010duje \u017e\u00e1douc\u00ed materi\u00e1lov\u00e9 vlastnosti, v\u010detn\u011b chemick\u00e9 stability a extr\u00e9mn\u00ed tvrdosti (9 stup\u0148\u016f Mohsovy stupnice tvrdosti, co\u017e je v\u00edce ne\u017e u diamantu). Hlin\u00edk existuje v n\u011bkolika krystalick\u00fdch f\u00e1z\u00edch; v\u0161echny se nakonec p\u0159i zv\u00fd\u0161en\u00fdch teplot\u00e1ch m\u011bn\u00ed na hexagon\u00e1ln\u00ed alfa f\u00e1zi - tato f\u00e1ze se nej\u010dast\u011bji pou\u017e\u00edv\u00e1 v konstruk\u010dn\u00edch aplikac\u00edch, a proto je to typ nab\u00edzen\u00fd spole\u010dnost\u00ed Accuratus.<\/p>\n
A\u010dkoli se oxid hlinit\u00fd p\u0159i ni\u017e\u0161\u00edch teplot\u00e1ch chov\u00e1 jako elektronick\u00fd izolant, p\u0159i vy\u0161\u0161\u00edch teplot\u00e1ch se vlivem tunelov\u00fdch efekt\u016f m\u011bn\u00ed na iontov\u00fd vodi\u010d s v\u011bt\u0161\u00ed vodivost\u00ed ne\u017e m\u011b\u010f p\u0159i podobn\u00fdch teplot\u00e1ch; m\u011b\u010f v\u0161ak z\u016fst\u00e1v\u00e1 lep\u0161\u00ed, pokud jde o vlastnosti p\u0159enosu tepla.<\/p>\n
Oxid hlinit\u00fd je \u017e\u00e1ruvzdorn\u00fd materi\u00e1l \u0161iroce pou\u017e\u00edvan\u00fd v pr\u016fmyslu jako elektrick\u00e9 izol\u00e1tory a chladi\u010de, brusn\u00e1 m\u00e9dia a vynikaj\u00edc\u00ed odolnost proti opot\u0159eben\u00ed. Hlin\u00edk je univerz\u00e1ln\u00ed materi\u00e1l, kter\u00fd lze vyr\u00e1b\u011bt r\u016fzn\u00fdmi technikami konsolidace a slinov\u00e1n\u00ed, jejich\u017e v\u00fdsledkem jsou p\u0159esn\u00e9 tvary bl\u00edzk\u00e9 \u010dist\u00fdm tvar\u016fm vhodn\u00e9 pro n\u00e1ro\u010dn\u00e1 zpracovatelsk\u00e1 prost\u0159ed\u00ed, jako jsou pece a v\u00fdhn\u011b.<\/p>\n
Hlin\u00edk je d\u00edky sv\u00e9 vysok\u00e9 mechanick\u00e9 pevnosti, bodu t\u00e1n\u00ed a n\u00edzk\u00e9mu koeficientu rozta\u017enosti vynikaj\u00edc\u00edm vodi\u010dem plyn\u016f. Krom\u011b toho je odoln\u00fd proti korozi a chemick\u00e9mu napaden\u00ed, m\u00e1 vynikaj\u00edc\u00ed elektrick\u00e9 vlastnosti a tak\u00e9 tepeln\u011b vodiv\u00e9 vlastnosti. D\u00edky t\u00e9to odolnosti proti korozi lze oxid hlinit\u00fd pou\u017e\u00edvat i v prost\u0159ed\u00ed obsahuj\u00edc\u00edm vodu, olej a dal\u0161\u00ed chemik\u00e1lie.<\/p>\n
Hlin\u00edk odol\u00e1v\u00e1 extr\u00e9mn\u011b vysok\u00fdm teplot\u00e1m, ani\u017e by ztratil svou struktur\u00e1ln\u00ed integritu, a proto je ide\u00e1ln\u00ed pro elektrick\u00e1 veden\u00ed p\u0159en\u00e1\u0161ej\u00edc\u00ed vysok\u00e9 proudy. Vysokonap\u011b\u0165ov\u00e1 p\u0159enosov\u00e1 veden\u00ed obvykle vyu\u017e\u00edvaj\u00ed hlin\u00edkov\u00e9 vodi\u010de s ocelov\u00fdmi j\u00e1dry k vytvo\u0159en\u00ed p\u0159enosov\u00fdch veden\u00ed se schopnost\u00ed p\u0159enosu vy\u0161\u0161\u00edho nap\u011bt\u00ed; ocel poskytuje pevnost v tahu, zat\u00edmco hlin\u00edk zaji\u0161\u0165uje vodivost. A\u010dkoli m\u011b\u010f m\u016f\u017ee b\u00fdt celkov\u011b vodiv\u011bj\u0161\u00ed, hlin\u00edk nab\u00edz\u00ed ni\u017e\u0161\u00ed v\u00fdrobn\u00ed n\u00e1klady a v\u011bt\u0161\u00ed odolnost proti korozi i lep\u0161\u00ed izola\u010dn\u00ed vlastnosti ne\u017e druh\u00e1 mo\u017enost.<\/p>\n
\u010cist\u00fd oxid hlinit\u00fd se vyr\u00e1b\u00ed t\u011b\u017ebou a rafinac\u00ed bauxitu (Al2O3) a dal\u0161\u00edch miner\u00e1l\u016f obsahuj\u00edc\u00edch hlin\u00edk a slou\u017e\u00ed jako z\u00e1kladn\u00ed k\u00e1men v pr\u016fmyslov\u00e9m petrochemick\u00e9m zpracov\u00e1n\u00ed, v\u010detn\u011b autotermick\u00e9ho reformingu uhlovod\u00edk\u016f oxidem uhli\u010dit\u00fdm za vzniku synplynu. Proto\u017ee p\u0159i tomto procesu mohou prob\u00edhat \u0161kodliv\u00e9 reduk\u010dn\u00ed reakce, poskytuje \u010dist\u00fd oxid hlinit\u00fd spolehlivou ochranu p\u0159ed ne\u017e\u00e1douc\u00ed redukc\u00ed.<\/p>\n
Elektrick\u00e1 vodivost oxidu hlinit\u00e9ho se m\u011bn\u00ed v z\u00e1vislosti na jeho \u010distot\u011b, teplot\u011b a tlaku kysl\u00edku; jeho elektrick\u00e1 vodivost vykazuje za podm\u00ednek vysok\u00e9ho tlaku kysl\u00edku vodivost typu p, zat\u00edmco p\u0159i ni\u017e\u0161\u00edch tlac\u00edch kysl\u00edku se projevuje vodivost typu n. Vodivost roste s teplotou, zat\u00edmco s tlakem kysl\u00edku kles\u00e1. Ve spole\u010dnosti Associated Ceramics nab\u00edz\u00edme r\u016fzn\u00e1 t\u011blesa z oxidu hlinit\u00e9ho s r\u016fzn\u00fdmi vlastnostmi pro r\u016fzn\u00e9 aplikace.<\/p>\n
Hlin\u00edk je atraktivn\u00edm materi\u00e1lem d\u00edky sv\u00e9 tepeln\u00e9 izotropii, co\u017e znamen\u00e1, \u017ee jeho tepeln\u00e1 vodivost z\u016fst\u00e1v\u00e1 t\u00e9m\u011b\u0159 stejn\u00e1 ve v\u0161ech sm\u011brech, na rozd\u00edl od grafitu, kter\u00fd vykazuje v\u00fdrazn\u011b odli\u0161nou vodivost v z\u00e1vislosti na orientaci. Izotropn\u00ed chov\u00e1n\u00ed oxidu hlinit\u00e9ho zjednodu\u0161uje tepelnou anal\u00fdzu a konstrukci, tak\u017ee je vhodn\u00fd pro vysokoteplotn\u00ed aplikace.<\/p>\n
Hlin\u00edkov\u00e9 substr\u00e1ty desek plo\u0161n\u00fdch spoj\u016f jsou ned\u00edlnou sou\u010d\u00e1st\u00ed mnoha elektronick\u00fdch za\u0159\u00edzen\u00ed. Jejich tepeln\u011b vodiv\u00e9 vlastnosti pom\u00e1haj\u00ed odv\u00e1d\u011bt teplo generovan\u00e9 polovodi\u010di, zat\u00edmco jejich izola\u010dn\u00ed vlastnosti chr\u00e1n\u00ed desky plo\u0161n\u00fdch spoj\u016f p\u0159ed zkratem nebo jak\u00fdmkoli po\u0161kozen\u00edm, ke kter\u00e9mu by jinak mohlo doj\u00edt. N\u00edzk\u00e9 riziko tepeln\u00e9 rozta\u017enosti oxidu hlinit\u00e9ho rovn\u011b\u017e pom\u00e1h\u00e1 sni\u017eovat riziko vzniku trhlin nebo deformace.<\/p>","protected":false},"excerpt":{"rendered":"
Alumina is a soft, nonmagnetic material that is both ductile and corrosion-resistant, making it suitable for various applications including aluminum […]<\/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":[6],"tags":[],"class_list":["post-133","post","type-post","status-publish","format-standard","hentry","category-alumina-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/posts\/133","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/comments?post=133"}],"version-history":[{"count":1,"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/posts\/133\/revisions"}],"predecessor-version":[{"id":134,"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/posts\/133\/revisions\/134"}],"wp:attachment":[{"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/media?parent=133"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/categories?post=133"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/tags?post=133"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}