Hlin\u00edk je jedn\u00edm z nejpou\u017e\u00edvan\u011bj\u0161\u00edch pr\u016fmyslov\u00fdch keramick\u00fdch materi\u00e1l\u016f. M\u00e1 vynikaj\u00edc\u00ed elektrick\u00e9, tepeln\u00e9 a chemick\u00e9 stabiln\u00ed vlastnosti. Hlin\u00edk lze tak\u00e9 kombinovat s dal\u0161\u00edmi keramick\u00fdmi materi\u00e1ly pro technick\u00e9 aplikace zn\u00e1m\u00e9 jako pokro\u010dil\u00e1 nebo technick\u00e1 keramika. Tyto materi\u00e1ly jsou navr\u017eeny na m\u00edru tak, aby vyhovovaly n\u00e1ro\u010dn\u00fdm aplikac\u00edm vy\u017eaduj\u00edc\u00edm zv\u00fd\u0161enou odolnost proti opot\u0159eben\u00ed, chemickou nebo tepelnou odolnost nebo jin\u00e9 \u017e\u00e1douc\u00ed vlastnosti. Hlin\u00edk se z\u00edsk\u00e1v\u00e1 z rudy zvan\u00e9 bauxit a rafinuje se na r\u016fzn\u00e9 druhy pro dal\u0161\u00ed pou\u017eit\u00ed. Oxid hlinit\u00fd t\u0159\u00eddy G je jednou z nejpou\u017e\u00edvan\u011bj\u0161\u00edch forem oxidu hlinit\u00e9ho d\u00edky vynikaj\u00edc\u00edmu povrchu a parametr\u016fm p\u00f3r\u016f a slou\u017e\u00ed tak\u00e9 jako technick\u00fd keramick\u00fd nosn\u00fd materi\u00e1l a \u017e\u00e1ruvzdorn\u00fd podkladov\u00fd materi\u00e1l. V\u00fdroba G-hlin\u00edku vy\u017eaduje tepelnou dehydrataci prekurzor\u016f hydroxidu hlinit\u00e9ho na hlinitan sodn\u00fd a vodu jako kone\u010dn\u00e9 produkty.<\/p>\n
Krystalov\u00e9 struktury G-hlin\u00edku se skl\u00e1daj\u00ed z kubick\u00fdch t\u011bsn\u011b zabalen\u00fdch vrstev kysl\u00edku s ionty hlin\u00edku na p\u0159\u00edslu\u0161n\u00fdch m\u00edstech, jako jsou oktaedrick\u00e1 nebo tetraedrick\u00e1 m\u00edsta. Hlin\u00edk je amfotern\u00ed - to mu umo\u017e\u0148uje reagovat jak s kyselinami, tak se z\u00e1sadami, co\u017e mu pom\u00e1h\u00e1 zvy\u0161ovat v\u00fdkonnost v r\u016fzn\u00fdch aplikac\u00edch; nap\u0159\u00edklad p\u0159i v\u00fdrob\u011b lo\u017eisek s n\u00edzk\u00fdm t\u0159en\u00edm s vynikaj\u00edc\u00edmi standardy \u010distoty a z\u00e1rove\u0148 je vysoce odoln\u00fd proti korozi v agresivn\u00edm prost\u0159ed\u00ed. D\u00edky t\u00e9to vlastnosti je g-hlin\u00edk obzvl\u00e1\u0161t\u011b vhodn\u00fd pro v\u00fdrobu lo\u017eisek s vysokou \u010distotou a lep\u0161\u00edmi vlastnostmi n\u00edzk\u00e9ho t\u0159en\u00ed a z\u00e1rove\u0148 dobrou odolnost\u00ed proti korozi p\u0159i vystaven\u00ed agresivn\u00edmu prost\u0159ed\u00ed.<\/p>\n
Mezi dal\u0161\u00ed vlastnosti, kter\u00e9 \u010din\u00ed oxid hlinit\u00fd \u017e\u00e1douc\u00edm, pat\u0159\u00ed jeho izola\u010dn\u00ed schopnosti, vysok\u00e1 pevnost v tahu, vysok\u00fd bod t\u00e1n\u00ed a odolnost proti tepeln\u00fdm \u0161ok\u016fm. Hlin\u00edk tak\u00e9 funguje jako vynikaj\u00edc\u00ed elektrick\u00fd izolant a odol\u00e1v\u00e1 z\u00e1\u0159en\u00ed i \u00fatok\u016fm kyseliny fluorovod\u00edkov\u00e9.<\/p>\n
Anodick\u00fd oxid hlinit\u00fd vynik\u00e1 mezi ostatn\u00edmi materi\u00e1ly sv\u00fdmi p\u016fsobiv\u00fdmi biomedic\u00ednsk\u00fdmi vlastnostmi - m\u00e1 t\u0159ikr\u00e1t vy\u0161\u0161\u00ed ohybov\u00e9 a hou\u017eevnat\u00e9 vlastnosti ne\u017e \u010dist\u00fd oxid hlinit\u00fd CeramTec t\u0159et\u00ed generace pro ortopedick\u00e9 aplikace, jako jsou zubn\u00ed a l\u00e9ka\u0159sk\u00e9 implant\u00e1ty.<\/p>\n
Aby anodick\u00fd oxid hlinit\u00fd spl\u0148oval po\u017eadavky ortopedick\u00fdch aplikac\u00ed, mus\u00ed se vyr\u00e1b\u011bt procesem, kter\u00fd zaji\u0161\u0165uje p\u0159esnou kontrolu jeho vlastnost\u00ed, a proto se v\u00fdroba anodick\u00e9ho oxidu hlinit\u00e9ho prov\u00e1d\u00ed ve zku\u0161ebn\u00edch centrech, jako je inova\u010dn\u00ed centrum FEECO. Zde lze materi\u00e1l testovat v r\u016fzn\u00fdch f\u00e1z\u00edch v\u010detn\u011b peletizace (aglomerace), vysokoteplotn\u00edho tepeln\u00e9ho zpracov\u00e1n\u00ed a su\u0161en\u00ed - tak\u017ee \u00fadaje z test\u016f lze n\u00e1sledn\u011b vyu\u017e\u00edt k vytvo\u0159en\u00ed v\u00fdrobku z anodick\u00e9ho oxidu hlinit\u00e9ho, kter\u00fd m\u00e1 p\u0159esn\u011b takov\u00e9 vlastnosti, jak\u00e9 se o\u010dek\u00e1vaj\u00ed.<\/p>","protected":false},"excerpt":{"rendered":"
Anodic alumina properties Alumina is one of the most widely utilized industrial ceramic materials. It offers superior electrical, thermal and […]<\/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-359","post","type-post","status-publish","format-standard","hentry","category-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/artehistoria.net\/cs\/wp-json\/wp\/v2\/posts\/359","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/artehistoria.net\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/artehistoria.net\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/artehistoria.net\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/artehistoria.net\/cs\/wp-json\/wp\/v2\/comments?post=359"}],"version-history":[{"count":1,"href":"https:\/\/artehistoria.net\/cs\/wp-json\/wp\/v2\/posts\/359\/revisions"}],"predecessor-version":[{"id":360,"href":"https:\/\/artehistoria.net\/cs\/wp-json\/wp\/v2\/posts\/359\/revisions\/360"}],"wp:attachment":[{"href":"https:\/\/artehistoria.net\/cs\/wp-json\/wp\/v2\/media?parent=359"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/artehistoria.net\/cs\/wp-json\/wp\/v2\/categories?post=359"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/artehistoria.net\/cs\/wp-json\/wp\/v2\/tags?post=359"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}