Zirkonem tvrzen\u00fd oxid hlinit\u00fd (ZTA) je um\u011ble vyroben\u00e1 keramika, kter\u00e1 kombinuje vlastnosti oxidu hlinit\u00e9ho a zirkonov\u00e9 keramiky a zaji\u0161\u0165uje mechanickou pevnost a odolnost proti tepeln\u00fdm \u0161ok\u016fm, tak\u017ee je vhodn\u00e1 pro ortopedick\u00e9 aplikace, jako jsou hlavice stehenn\u00edch kost\u00ed a acetabul\u00e1rn\u00ed vlo\u017eky, a pro pr\u016fmyslov\u00e9 aplikace, jako jsou t\u011bsn\u011bn\u00ed ventil\u016f, pouzdra, sou\u010d\u00e1sti \u010derpadel, \u0159ezn\u00e9 n\u00e1stroje, sou\u010d\u00e1sti motor\u016f a t\u011bsn\u011bn\u00ed ventil\u016f. Lze jej nal\u00e9zt v ortopedick\u00fdch aplikac\u00edch, jako jsou femor\u00e1ln\u00ed hlavice a acetabul\u00e1rn\u00ed vlo\u017eky, zat\u00edmco pr\u016fmyslov\u00e9 aplikace zahrnuj\u00ed t\u011bsn\u011bn\u00ed ventil\u016f pouzdra t\u011bsn\u011bn\u00ed ventil\u016f pouzdra d\u00edly \u010derpadel \u0159ezn\u00e9 n\u00e1stroje \u0159ezn\u00e9 n\u00e1stroje nebo sou\u010d\u00e1sti motor\u016f.<\/p>\n
ZTA se vyr\u00e1b\u00ed gelov\u00e1n\u00edm za pou\u017eit\u00ed pr\u00e1\u0161kov\u00e9ho oxidu hlinit\u00e9ho a yttri\u00ed stabilizovan\u00e9ho zirkoni\u010dit\u00e9ho pr\u00e1\u0161ku. Tento proces zahrnuje p\u0159\u00edpravu suspenze, formov\u00e1n\u00ed, su\u0161en\u00ed rozpou\u0161t\u011bdlem s osmotick\u00fdm i vzduchov\u00fdm su\u0161en\u00edm, pyrol\u00fdzu a sp\u00e9k\u00e1n\u00ed jako kone\u010dn\u00e9 kroky.<\/p>\n
Zirkonem tvrzen\u00fd oxid hlinit\u00fd je ide\u00e1ln\u00edm materi\u00e1lem pro aplikace vy\u017eaduj\u00edc\u00ed vysokou pevnost i hou\u017eevnatost, nebo\u0165 vznik\u00e1 transformac\u00ed jemn\u00fdch tetragon\u00e1ln\u00edch \u010d\u00e1stic zirkonu do matrice oxidu hlinit\u00e9ho vyvolanou nap\u011bt\u00edm. T\u00edmto procesem vznik\u00e1 rovnom\u011brn\u00e9 rozlo\u017een\u00ed velikosti \u010d\u00e1stic, kter\u00e9 zaji\u0161\u0165uje vynikaj\u00edc\u00ed mechanick\u00e9 vlastnosti, jako je tvrdost, lomov\u00e1 hou\u017eevnatost a hou\u017eevnatost, a nav\u00edc poskytuje chemickou odolnost a odolnost proti opot\u0159eben\u00ed.<\/p>\n
\u010c\u00e1stice zirkonia rozpt\u00fdlen\u00e9 v matrici oxidu hlinit\u00e9ho se obecn\u011b nemohou m\u011bnit v d\u016fsledku chemick\u00fdch interakc\u00ed mezi nimi a \u010d\u00e1sticemi oxidu hlinit\u00e9ho, ale mohou b\u00fdt aktivov\u00e1ny p\u0159i nam\u00e1h\u00e1n\u00ed a podl\u00e9hat transformaci. Transformovan\u00e9 \u010d\u00e1stice zirkonia vytv\u00e1\u0159ej\u00ed na \u010delech trhlin tlakov\u00e1 nap\u011bt\u00ed, kter\u00e1 br\u00e1n\u00ed jejich \u0161\u00ed\u0159en\u00ed; jejich transformace vede k v\u011bt\u0161\u00ed hou\u017eevnatosti ne\u017e u tradi\u010dn\u00edho oxidu hlinit\u00e9ho.<\/p>\n
Claussen poprv\u00e9 popsal transforma\u010dn\u00ed hou\u017eevnatost v roce 1976 a je charakterizov\u00e1na t\u00edm, \u017ee \u010d\u00e1stice interaguj\u00ed s \u010delem trhliny, \u010d\u00edm\u017e ji vychyluj\u00ed a sou\u010dasn\u011b vytv\u00e1\u0159ej\u00ed tlakov\u00e1 nap\u011bt\u00ed p\u0159ed hroty trhliny, \u010d\u00edm\u017e zvy\u0161uj\u00ed lomovou hou\u017eevnatost materi\u00e1l\u016f (Claussen 1976). Tento efekt zvy\u0161uje lomovou hou\u017eevnatost.<\/p>\n
ZTA lze vyr\u00e1b\u011bt pomoc\u00ed izostatick\u00e9ho lisov\u00e1n\u00ed za tepla a je vhodn\u00fd pro materi\u00e1ly lo\u017eiskov\u00fdch p\u00e1r\u016f ky\u010deln\u00edch n\u00e1hrad, nebo\u0165 prok\u00e1zal lep\u0161\u00ed \u017eivotnost ve srovn\u00e1n\u00ed s keramick\u00fdmi femor\u00e1ln\u00edmi hlavicemi z yttri\u00ed stabilizovan\u00e9ho zirkonia (Y-TZP) (obr\u00e1zek 7.10). Krom\u011b toho jeho vysok\u00fd obsah oxidu hlinit\u00e9ho a vy\u0161\u0161\u00ed hustota pom\u00e1haj\u00ed zm\u00edrnit jevy st\u00e1rnut\u00ed, kter\u00e9 jsou pozorov\u00e1ny u Y-TZP a kter\u00e9 zp\u016fsobuj\u00ed p\u0159ehnanou t-m transformaci a mechanickou degradaci v pr\u016fb\u011bhu \u010dasu (obr\u00e1zek 7.11 a 7.12).<\/p>\n
ZTA je vynikaj\u00edc\u00edm materi\u00e1lem pro l\u00e9ka\u0159sk\u00e9 implant\u00e1ty, kter\u00e9 mus\u00ed b\u00fdt odoln\u00e9 v\u016f\u010di korozi a p\u016fsoben\u00ed t\u011blesn\u00fdch tekutin, jako jsou nap\u0159\u00edklad implant\u00e1ty pou\u017e\u00edvan\u00e9 na opera\u010dn\u00edch s\u00e1lech a v opera\u010dn\u00edch turb\u00edn\u00e1ch. Ve srovn\u00e1n\u00ed s tradi\u010dn\u00edm oxidem hlinit\u00fdm nab\u00edz\u00ed ZTA vynikaj\u00edc\u00ed odolnost proti chemick\u00e9 korozi; odol\u00e1v\u00e1 drsn\u00e9mu prost\u0159ed\u00ed, ani\u017e by do\u0161lo k jeho degradaci nebo selh\u00e1n\u00ed. Krom\u011b toho se ZTA m\u016f\u017ee pochlubit v\u00fdjime\u010dnou odolnost\u00ed proti teplotn\u00edm \u0161ok\u016fm, co\u017e znamen\u00e1, \u017ee sn\u00e1\u0161\u00ed rychl\u00e9 zm\u011bny teplot, jako jsou sou\u010d\u00e1sti pec\u00ed a sou\u010d\u00e1sti turb\u00ednov\u00fdch motor\u016f, ani\u017e by pod tlakem praskaly nebo se l\u00e1maly.<\/p>\n
Kompozity AZ jsou extr\u00e9mn\u011b hou\u017eevnat\u00e9 d\u00edky \u010d\u00e1stic\u00edm tvrzen\u00e9ho zirkonu rozpt\u00fdlen\u00fdm v matrici oxidu hlinit\u00e9ho. P\u0159i vystaven\u00ed nam\u00e1h\u00e1n\u00ed \u010d\u00e1stice zm\u011bn\u00ed svou krystalovou strukturu z tetragon\u00e1ln\u00ed na monoklinickou formu, co\u017e zp\u016fsob\u00ed objemovou expanzi a stla\u010den\u00ed, kter\u00e9 pom\u00e1h\u00e1 zastavit \u0161\u00ed\u0159en\u00ed trhlin - tato vlastnost zn\u00e1m\u00e1 jako transforma\u010dn\u00ed kalen\u00ed \u010din\u00ed ZTA od spole\u010dnosti HMA Wear Solutions ide\u00e1ln\u00ed pro aplikace vy\u017eaduj\u00edc\u00ed vysokou pevnost, hou\u017eevnatost a tvrdost.<\/p>\n
Trvanlivost se d\u00e1le zvy\u0161uje p\u0159i vystaven\u00ed tepeln\u00e9mu \u0161oku. \u010c\u00e1stice zirkonia rozpt\u00fdlen\u00e9 v matrici z oxidu hlinit\u00e9ho absorbuj\u00ed energii z rychl\u00fdch teplotn\u00edch zm\u011bn a chr\u00e1n\u00ed je p\u0159ed l\u00e1m\u00e1n\u00edm a prask\u00e1n\u00edm v d\u016fsledku nap\u011bt\u00ed zp\u016fsoben\u00e9ho n\u00e1hl\u00fdmi zm\u011bnami teploty. Keramiku tak lze bezpe\u010dn\u011b pou\u017e\u00edvat v za\u0159\u00edzen\u00edch vystaven\u00fdch n\u00e1hl\u00fdm a intenzivn\u00edm teplotn\u00edm zm\u011bn\u00e1m, jako jsou sou\u010d\u00e1sti pec\u00ed nebo d\u00edly turb\u00ednov\u00fdch motor\u016f, ani\u017e by hrozilo jejich selh\u00e1n\u00ed.<\/p>\n
Zirkonem tvrzen\u00fd oxid hlinit\u00fd je zn\u00e1m\u00fd svou odolnost\u00ed proti korozi. Proto jej lze pou\u017e\u00edt v za\u0159\u00edzen\u00edch, kter\u00e1 p\u0159ijdou do styku s korozivn\u00edmi kapalinami nebo chemik\u00e1liemi, jako jsou leptac\u00ed kyseliny a \u010distic\u00ed prost\u0159edky. Krom\u011b toho je tento materi\u00e1l d\u00edky sv\u00e9 odolnosti proti mechanick\u00e9mu opot\u0159eben\u00ed vhodn\u00fd pro l\u00e9ka\u0159sk\u00e9 implant\u00e1ty nebo za\u0159\u00edzen\u00ed, kter\u00e1 p\u0159ich\u00e1zej\u00ed do styku s t\u011blesn\u00fdmi tekutinami nebo chemik\u00e1liemi, jako jsou nap\u0159\u00edklad \u010distic\u00ed roztoky.<\/p>\n
D\u00edky sv\u00e9 trvanlivosti a odolnosti proti korozi se kompozitn\u00ed materi\u00e1ly ze zirkonu a oxidu hlinit\u00e9ho (ZTA) pou\u017e\u00edvaj\u00ed v mnoha pr\u016fmyslov\u00fdch odv\u011btv\u00edch. V\u00fdrobci \u0159ezn\u00fdch n\u00e1stroj\u016f \u010dasto vol\u00ed p\u0159i v\u00fdrob\u011b \u0159ezn\u00fdch n\u00e1stroj\u016f pevn\u00e9 a p\u0159itom hou\u017eevnat\u00e9 materi\u00e1ly ZTA; nav\u00edc se za\u010dal hojn\u011b pou\u017e\u00edvat p\u0159i v\u00fdrob\u011b zdravotnick\u00e9ho vybaven\u00ed, jako jsou ortopedick\u00e9 implant\u00e1ty, nap\u0159\u00edklad hlavice stehenn\u00ed kosti a acetabul\u00e1rn\u00ed vlo\u017eky.<\/p>\n
Materi\u00e1ly ZTA pou\u017e\u00edvan\u00e9 v l\u00e9ka\u0159sk\u00fdch aplikac\u00edch dob\u0159e obstoj\u00ed d\u00edky sv\u00e9 vy\u0161\u0161\u00ed lomov\u00e9 hou\u017eevnatosti - a\u017e 20kr\u00e1t vy\u0161\u0161\u00ed ne\u017e u samotn\u00e9ho oxidu hlinit\u00e9ho - co\u017e pom\u00e1h\u00e1 sni\u017eovat riziko k\u0159ehk\u00e9ho selh\u00e1n\u00ed, kter\u00e9 by mohlo m\u00edt nep\u0159\u00edzniv\u00e9 zdravotn\u00ed \u00fa\u010dinky na pacienty.<\/p>\n
Tvrzen\u00fd oxid zirkoni\u010dit\u00fd je tvrd\u00fd, k\u0159ehk\u00fd materi\u00e1l, kter\u00fd je navr\u017een tak, aby odol\u00e1val vysok\u00fdm teplot\u00e1m a drsn\u00e9mu prost\u0159ed\u00ed. Odol\u00e1v\u00e1 korozi a chemick\u00fdm vliv\u016fm a m\u00e1 \u010detn\u00e9 vyu\u017eit\u00ed v pr\u016fmyslov\u00fdch odv\u011btv\u00edch, jako je letectv\u00ed, v\u00fdroba a automobilov\u00fd pr\u016fmysl - a tak\u00e9 vynikaj\u00edc\u00ed mechanickou pevnost, odolnost proti tepeln\u00fdm \u0161ok\u016fm a n\u00edzkou m\u00edru opot\u0159eben\u00ed.<\/p>\n
Keramika ZTA se od tradi\u010dn\u00ed keramiky li\u0161\u00ed t\u00edm, \u017ee se skl\u00e1d\u00e1 z kompozit\u016f oxidu hlinit\u00e9ho a zirkonia, kter\u00e9 se vyr\u00e1b\u011bj\u00ed sm\u00edch\u00e1n\u00edm t\u011bchto materi\u00e1l\u016f v suspenzi p\u0159ed sp\u00e9k\u00e1n\u00edm za zv\u00fd\u0161en\u00e9 teploty. Sp\u00e9k\u00e1n\u00edm vznikaj\u00ed jemn\u011b rozpt\u00fdlen\u00e9 \u010d\u00e1stice zirkonu tetragon\u00e1ln\u00ed f\u00e1ze v matrici z oxidu hlinit\u00e9ho; kdy\u017e se p\u0159es tuto matrici \u0161\u00ed\u0159\u00ed trhliny, jejich energie vyvol\u00e1v\u00e1 f\u00e1zov\u00e9 p\u0159em\u011bny, kter\u00e9 zp\u016fsobuj\u00ed objemovou expanzi, je\u017e \u00fa\u010dinn\u011b p\u016fsob\u00ed proti ve\u0161ker\u00fdm p\u0159\u00edtomn\u00fdm nap\u011bt\u00edm; to zp\u016fsobuje, \u017ee se v n\u00ed na v\u00edce m\u00edstech objevuj\u00ed vych\u00fdlen\u00e9 trhliny, kter\u00e9 rozptyluj\u00ed energii trhliny a z\u00e1rove\u0148 ji celkov\u011b rozptyluj\u00ed.<\/p>\n
Slo\u017een\u00ed tohoto materi\u00e1lu lze p\u0159izp\u016fsobit zam\u00fd\u0161len\u00e9mu pou\u017eit\u00ed, p\u0159i\u010dem\u017e pom\u011br oxidu hlinit\u00e9ho a zirkonu lze upravit podle pot\u0159eby tak, aby vyhovoval jedine\u010dn\u00fdm po\u017eadavk\u016fm. Do slo\u017een\u00ed lze nap\u0159\u00edklad p\u0159idat v\u00edce oxidu zirkoni\u010dit\u00e9ho pro zv\u00fd\u0161en\u00ed pevnosti v tahu, zat\u00edmco v\u00edce oxidu hlinit\u00e9ho zv\u00fd\u0161\u00ed odolnost proti hydroterm\u00e1ln\u00edmu st\u00e1rnut\u00ed a korozi.<\/p>\n
Produktov\u00e1 \u0159ada ZTA-96 byla vyvinuta s c\u00edlem nab\u00eddnout cenov\u011b v\u00fdhodn\u00e1 \u0159e\u0161en\u00ed pro aplikace vy\u017eaduj\u00edc\u00ed odolnost proti opot\u0159eben\u00ed, korozi a vysok\u00fdm teplot\u00e1m. Tato keramika, kter\u00e1 je k dispozici v r\u016fzn\u00fdch tvarech a velikostech s mo\u017enost\u00ed p\u0159izp\u016fsoben\u00ed toleranc\u00ed a povrchov\u00fdch \u00faprav, m\u016f\u017ee zajistit spolehliv\u00fd v\u00fdkon v n\u00e1ro\u010dn\u00fdch aplikac\u00edch.<\/p>\n
Tvrzen\u00fd oxid zirkoni\u010dit\u00fd je ji\u017e dlouho uzn\u00e1v\u00e1n pro svou odolnost proti opot\u0159eben\u00ed a korozi a tak\u00e9 pro svou vynikaj\u00edc\u00ed chemickou stabilitu - ob\u011b tyto vlastnosti jej p\u0159edur\u010duj\u00ed k pou\u017eit\u00ed ve zdravotnictv\u00ed, kde s n\u00edm p\u0159ich\u00e1zej\u00ed do styku t\u011blesn\u00e9 tekutiny nebo chemik\u00e1lie. Krom\u011b toho je zirkonium pova\u017eov\u00e1no za atraktivn\u00edho kandid\u00e1ta pro zubn\u00ed a chirurgick\u00e9 implant\u00e1ty d\u00edky sv\u00fdm vynikaj\u00edc\u00edm vlastnostem biologick\u00e9 kompatibility.<\/p>\n
Biolox Delta spole\u010dnosti CeramTec z n\u011bmeck\u00e9ho Plochingenu byl uveden do komer\u010dn\u00edho prodeje jako jeden z prvn\u00edch komer\u010dn\u011b dostupn\u00fdch materi\u00e1l\u016f ZTA v roce 2000 jako materi\u00e1l pro implant\u00e1ty nahrazuj\u00edc\u00ed hlavice femor\u016f a acetabul\u00e1rn\u00ed vlo\u017eky. Skl\u00e1d\u00e1 se z matrice oxidu hlinit\u00e9ho vyztu\u017een\u00e9 zirkonem a hlinitanem stroncia, kter\u00e9 zaji\u0161\u0165uj\u00ed mechanismy otupen\u00ed hrotu trhliny a mechanismy zpevn\u011bn\u00ed; spolu s oxidem chromu zabra\u0148uje korozi p\u0159i n\u00edzk\u00fdch teplot\u00e1ch; podle zpr\u00e1v spole\u010dnosti CeramTec bylo s pou\u017eit\u00edm t\u00e9to n\u00e1hradn\u00ed keramiky implantov\u00e1no v\u00edce ne\u017e 320 000 femor\u00e1ln\u00edch hlavic a 160 000 vlo\u017eek.<\/p>\n
Zirkoniov\u00e1 zrna v kombinaci s matric\u00ed z oxidu hlinit\u00e9ho vytv\u00e1\u0159ej\u00ed materi\u00e1l s v\u00fdjime\u010dnou odolnost\u00ed proti tepeln\u00fdm \u0161ok\u016fm, kter\u00fd je ide\u00e1ln\u00ed pro aplikace p\u0159i extr\u00e9mn\u00edch teplot\u00e1ch. Krom\u011b toho maj\u00ed kompozity oxidu hlinit\u00e9ho a oxidu zirkoni\u010dit\u00e9ho tendenci p\u0159ekon\u00e1vat \u010dist\u00fd oxid hlinit\u00fd, pokud jde o trvanlivost, a to i p\u0159i dlouhodob\u00e9m p\u016fsoben\u00ed p\u00edskov\u00e1n\u00ed.<\/p>\n
ZTA se vyzna\u010duje vysokou lomovou hou\u017eevnatost\u00ed, co\u017e z n\u011bj \u010din\u00ed ide\u00e1ln\u00ed materi\u00e1l pro aplikace, kde nejsou \u017e\u00e1douc\u00ed k\u0159ehk\u00e9 materi\u00e1ly. Pro dosa\u017een\u00ed maxim\u00e1ln\u00ed pevnosti a hou\u017eevnatosti v\u0161ak mus\u00ed b\u00fdt hlinitok\u0159emi\u010dit\u00e9 kompozity spr\u00e1vn\u011b slinuty a zhutn\u011bny; p\u0159\u00edli\u0161 n\u00edzk\u00e1 teplota by mohla m\u00edt za n\u00e1sledek bodov\u00e9 vady a sn\u00ed\u017eenou pevnost v ohybu - proto by se m\u011bla pou\u017e\u00edvat teplota 1550 stup\u0148\u016f C, aby se zajistilo optim\u00e1ln\u00ed slinut\u00ed a rozlo\u017een\u00ed velikosti \u010d\u00e1stic.<\/p>\n
Kompozity oxidu hlinit\u00e9ho a zirkonu poskytuj\u00ed vynikaj\u00edc\u00ed odolnost proti opot\u0159eben\u00ed \u0159ezn\u00fdch n\u00e1stroj\u016f a dal\u0161\u00edch abrazivn\u00edch sou\u010d\u00e1st\u00ed a maj\u00ed n\u00edzk\u00e9 t\u0159en\u00ed, co\u017e zvy\u0161uje chemickou inertnost a sni\u017euje n\u00e1klady ve srovn\u00e1n\u00ed s podobn\u00fdmi materi\u00e1ly pou\u017e\u00edvan\u00fdmi pro ortopedick\u00e9 implant\u00e1ty. Kombinace jejich vlastnost\u00ed \u010din\u00ed tyto kompozity velmi \u017e\u00e1douc\u00edmi ve zdravotnick\u00fdch aplikac\u00edch.<\/p>\n
Nam\u00e1h\u00e1n\u00ed kompozit\u016f oxidu hlinit\u00e9ho a zirkonia zp\u016fsobuje, \u017ee metastabiln\u00ed tetragon\u00e1ln\u00ed zirkonium se transformuje na monoklinick\u00e9 zirkonium a doch\u00e1z\u00ed k objemov\u00e9 expanzi krystal\u016f zirkonia, co\u017e odsouv\u00e1 hroty trhlin a z\u00e1rove\u0148 zvy\u0161uje hou\u017eevnatost - tento efekt je zn\u00e1m\u00fd jako transforma\u010dn\u00ed zpevn\u011bn\u00ed vyvolan\u00e9 nap\u011bt\u00edm.<\/p>\n
Zirkonem tvrzen\u00fd oxid hlinit\u00fd je zn\u00e1m\u00fd t\u00edm, \u017ee je pevn\u00fd a odoln\u00fd a z\u00e1rove\u0148 elektricky izoluje - to z n\u011bj d\u011bl\u00e1 fantastickou volbu materi\u00e1lu pro komponenty, kter\u00e9 vy\u017eaduj\u00ed jak mechanickou, tak elektrickou izolaci, jako jsou nap\u0159\u00edklad pouzdra.<\/p>\n
Kompozity oxidu hlinit\u00e9ho a zirkonu vyroben\u00e9 s pou\u017eit\u00edm yttri\u00ed stabilizovan\u00e9ho zirkonu (8YSZ) se uk\u00e1zaly b\u00fdt lep\u0161\u00ed ne\u017e kompozity vyroben\u00e9 s pou\u017eit\u00edm nestabilizovan\u00e9ho oxidu hlinit\u00e9ho, a to p\u0159i stejn\u011b konkurenceschopn\u00e9 cen\u011b. Ide\u00e1ln\u00ed aplikace zahrnuj\u00ed aplikace, kde je nezbytn\u00e1 jak odolnost proti ot\u011bru, tak dobr\u00e9 elektroizola\u010dn\u00ed vlastnosti - teploty a\u017e 1500 stup\u0148\u016f C jsou v jeho mo\u017enostech!<\/p>","protected":false},"excerpt":{"rendered":"
Zirconia toughened alumina (ZTA) is an engineered ceramic that combines the properties of both alumina and zirconia ceramics to provide […]<\/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":[4],"tags":[],"class_list":["post-131","post","type-post","status-publish","format-standard","hentry","category-product-related"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/posts\/131","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=131"}],"version-history":[{"count":1,"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/posts\/131\/revisions"}],"predecessor-version":[{"id":132,"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/posts\/131\/revisions\/132"}],"wp:attachment":[{"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/media?parent=131"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/categories?post=131"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/tags?post=131"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}