{"id":83,"date":"2025-02-10T14:40:28","date_gmt":"2025-02-10T06:40:28","guid":{"rendered":"https:\/\/aluminapowder.net\/?p=83"},"modified":"2025-02-10T14:40:28","modified_gmt":"2025-02-10T06:40:28","slug":"what-is-the-main-function-of-alumina-powder","status":"publish","type":"post","link":"https:\/\/aluminapowder.net\/cs\/jaka-je-hlavni-funkce-praskoveho-oxidu-hliniteho\/","title":{"rendered":"Jak\u00e1 je hlavn\u00ed funkce pr\u00e1\u0161kov\u00e9ho oxidu hlinit\u00e9ho"},"content":{"rendered":"

Jak\u00e1 je hlavn\u00ed funkce pr\u00e1\u0161kov\u00e9ho oxidu hlinit\u00e9ho?<\/h1>\n

Pr\u00e1\u0161kov\u00fd oxid hlinit\u00fd je ned\u00edlnou sou\u010d\u00e1st\u00ed mnoha keramick\u00fdch v\u00fdrobk\u016f. Pou\u017e\u00edv\u00e1 se k v\u00fdrob\u011b dla\u017edic a k v\u00fdrob\u011b keramiky odoln\u00e9 proti opot\u0159eben\u00ed; nav\u00edc slou\u017e\u00ed jako nosi\u010d katalyz\u00e1tor\u016f. Vyr\u00e1b\u00ed se sm\u00edch\u00e1n\u00edm hydroxidu hlinit\u00e9ho s vodou a zah\u0159\u00edv\u00e1n\u00edm p\u0159i vysok\u00fdch teplot\u00e1ch, \u010d\u00edm\u017e vznik\u00e1 oxid hlinit\u00fd. Kalcinovan\u00fd oxid hlinit\u00fd lze rozli\u0161it podle velikosti krystal\u016f a obsahu sod\u00edku. Materi\u00e1ly s ni\u017e\u0161\u00edm obsahem sod\u00edku jsou vhodn\u00e9 pro elektronick\u00e9 aplikace nebo keramick\u00e9 substr\u00e1ty.<\/p>\n

Jedn\u00e1 se o \u017e\u00e1ruvzdorn\u00fd materi\u00e1l<\/h2>\n

\u017d\u00e1ruvzdorn\u00e1 keramika je anorganick\u00fd nekovov\u00fd materi\u00e1l s v\u00fdjime\u010dnou tepelnou odolnost\u00ed, kter\u00fd je ide\u00e1ln\u00ed pro pr\u016fmyslov\u00e9 pece, kotle a pece. Jejich tepelnou kapacitu, tepelnou vodivost a odolnost proti erozi lze p\u0159esn\u011b p\u0159izp\u016fsobit. Vyu\u017e\u00edvaj\u00ed se mimo jin\u00e9 v pec\u00edch, kotl\u00edch a pec\u00edch; d\u00edky sv\u00fdm schopnostem jsou univerz\u00e1ln\u00edmi materi\u00e1ly v mnoha pr\u016fmyslov\u00fdch prost\u0159ed\u00edch v\u010detn\u011b pec\u00ed, kotl\u016f a pec\u00ed - \u010dasto poskytuj\u00ed efektivn\u00ed tepeln\u011b odoln\u00e9 aplikace v n\u00e1ro\u010dn\u00fdch aplikac\u00edch, jako jsou pece, kotle nebo pece - a z\u00e1rove\u0148 je lze v p\u0159\u00edpad\u011b pot\u0159eby p\u0159esn\u011b upravit tak, aby spl\u0148ovaly specifick\u00e9 vlastnosti, jako je tepeln\u00e1 kapacita, tepeln\u00e1 vodivost nebo odolnost proti erozi.<\/p>\n

poskytujeme \u0159adu mo\u017enost\u00ed testov\u00e1n\u00ed pr\u00e1\u0161kov\u00e9ho oxidu hlinit\u00e9ho, od proveditelnosti a\u017e po s\u00e9riov\u00e9 zpracov\u00e1n\u00ed. In\u017een\u00fd\u0159i mohou tyto testy vyu\u017e\u00edt k vylad\u011bn\u00ed receptur pro konkr\u00e9tn\u00ed pot\u0159eby aplikace a k posouzen\u00ed dopad\u016f na \u017eivotn\u00ed prost\u0159ed\u00ed; nav\u00edc mohou ur\u010dit vhodnost \u017e\u00e1ruvzdorn\u00fdch materi\u00e1l\u016f pro konkr\u00e9tn\u00ed prost\u0159ed\u00ed v z\u00e1vislosti na faktorech, jako je odolnost proti tepeln\u00fdm \u0161ok\u016fm, chemick\u00e1 kompatibilita s roztaven\u00fdmi kovy\/kompatibilita se struskami a rozm\u011brov\u00e1 stabilita.<\/p>\n

Je nosi\u010dem katalyz\u00e1toru<\/h2>\n

Hlin\u00edk je d\u00edky sv\u00e9 chemick\u00e9 inertnosti a por\u00e9zn\u00ed struktu\u0159e neoceniteln\u00fdm nosi\u010dem katalyz\u00e1toru. Tato vlastnost mu umo\u017e\u0148uje napom\u00e1hat chemick\u00fdm reakc\u00edm v petrochemick\u00e9m pr\u016fmyslu a z\u00e1rove\u0148 zaji\u0161\u0165uje ochranu \u017eivotn\u00edho prost\u0159ed\u00ed. Por\u00e9zn\u00ed oxid hlinit\u00fd lze vyrobit hydroterm\u00e1ln\u00ed synt\u00e9zou reakc\u00ed hydroxidu hlinit\u00e9ho s vodou v uzav\u0159en\u00e9 n\u00e1dob\u011b za vysok\u00fdch tlak\u016f a teplot, \u010d\u00edm\u017e vznikaj\u00ed ultra\u010dist\u00e9 nano\u010d\u00e1stice specifick\u00fdch tvar\u016f a velikost\u00ed, kter\u00e9 spl\u0148uj\u00ed ur\u010dit\u00e9 normy. V\u00fdsledkem t\u00e9to reakce jsou vysoce \u010dist\u00e9 \u010d\u00e1stice oxidu hlinit\u00e9ho specifick\u00fdch tvar\u016f a velikost\u00ed, kter\u00e9 spl\u0148uj\u00ed p\u0159esn\u00e9 specifikace. \u010c\u00e1stice slinut\u00e9ho oxidu hlinit\u00e9ho lze pot\u00e9 spole\u010dn\u011b slinovat a vytv\u00e1\u0159et tak hustou a pevnou keramiku s r\u016fzn\u00fdm pr\u016fmyslov\u00fdm vyu\u017eit\u00edm.<\/p>\n

Jedn\u00e1 se o materi\u00e1l pro odvod tepla<\/h2>\n

Pr\u00e1\u0161kov\u00fd oxid hlinit\u00fd je vynikaj\u00edc\u00ed materi\u00e1l pro odvod tepla s n\u00edzkou tepelnou rozta\u017enost\u00ed a vlastnost\u00ed elektrick\u00e9ho izolantu, d\u00edky \u010demu\u017e je u\u017eite\u010dn\u00fd v elektronick\u00fdch aplikac\u00edch.Pr\u00e1\u0161kov\u00fd oxid hlinit\u00fd je \u00fa\u010dinn\u00fd materi\u00e1l pro odvod tepla s vysokou tepelnou vodivost\u00ed (30-36 W\/m - K), n\u00edzk\u00fdm koeficientem tepeln\u00e9 rozta\u017enosti, dobrou chemickou stabilitou a elektrickou izolac\u00ed. Je \u0161iroce pou\u017e\u00edv\u00e1n v elektronick\u00fdch za\u0159\u00edzen\u00edch, nov\u00fdch energetick\u00fdch vozidlech, komunikaci 5G a dal\u0161\u00edch oblastech.<\/p>\n

Pr\u00e1\u0161kov\u00fd oxid hlinit\u00fd m\u00e1 obvykle b\u00edlou nebo t\u00e9m\u011b\u0159 b\u00edlou barvu a krystalickou strukturu. M\u016f\u017ee b\u00fdt tak\u00e9 lisov\u00e1n za sucha, izostaticky lisov\u00e1n, lisov\u00e1n za tepla, odl\u00e9v\u00e1n z p\u00e1sky, vst\u0159ikov\u00e1n a sm\u00edch\u00e1n s r\u016fzn\u00fdmi organick\u00fdmi nebo anorganick\u00fdmi mazivy, zm\u011bk\u010dovadly nebo elektrolyty pro pou\u017eit\u00ed.<\/p>","protected":false},"excerpt":{"rendered":"

What is the Main Function of Alumina Powder? Alumina powder is an integral component of many ceramic products. It’s used […]<\/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":"default","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":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","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":[13],"tags":[],"class_list":["post-83","post","type-post","status-publish","format-standard","hentry","category-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/aluminapowder.net\/cs\/wp-json\/wp\/v2\/posts\/83","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aluminapowder.net\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aluminapowder.net\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aluminapowder.net\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aluminapowder.net\/cs\/wp-json\/wp\/v2\/comments?post=83"}],"version-history":[{"count":1,"href":"https:\/\/aluminapowder.net\/cs\/wp-json\/wp\/v2\/posts\/83\/revisions"}],"predecessor-version":[{"id":84,"href":"https:\/\/aluminapowder.net\/cs\/wp-json\/wp\/v2\/posts\/83\/revisions\/84"}],"wp:attachment":[{"href":"https:\/\/aluminapowder.net\/cs\/wp-json\/wp\/v2\/media?parent=83"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aluminapowder.net\/cs\/wp-json\/wp\/v2\/categories?post=83"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aluminapowder.net\/cs\/wp-json\/wp\/v2\/tags?post=83"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}