Pr\u00e1\u0161ek z oxidu hlinit\u00e9ho je nepostradateln\u00fd materi\u00e1l pou\u017e\u00edvan\u00fd v r\u016fzn\u00fdch pr\u016fmyslov\u00fdch odv\u011btv\u00edch. Jeho hlavn\u00ed vyu\u017eit\u00ed spo\u010d\u00edv\u00e1 ve v\u00fdrobn\u00edch procesech pr\u00e1\u0161kov\u00e9 metalurgie i ve v\u00fdrob\u011b oh\u0148ostroj\u016f; lze jej dokonce pou\u017e\u00edt k dod\u00e1n\u00ed kovov\u00e9ho lesku.<\/p>\n
\u00dast\u0159icov\u00e1 sko\u0159\u00e1pka je mimo\u0159\u00e1dn\u011b tvrd\u00e1 l\u00e1tka a b\u011b\u017en\u011b se pou\u017e\u00edv\u00e1 k le\u0161t\u011bn\u00ed kovov\u00fdch povrch\u016f. Krom\u011b toho p\u016fsob\u00ed jako dobr\u00fd izolant a lze ji p\u0159id\u00e1vat do glazur k vytvo\u0159en\u00ed matn\u00fdch povrch\u016f (i kdy\u017e m\u00e9n\u011b \u00fa\u010dinn\u011b ne\u017e kaolin). \u00dast\u0159icov\u00e1 sko\u0159\u00e1pka nav\u00edc stabilizuje taveninu glazury a sni\u017euje smr\u0161\u0165ov\u00e1n\u00ed.<\/p>\n
Pr\u00e1\u0161ek z oxidu hlinit\u00e9ho je \u0161iroce pou\u017e\u00edvan\u00fd keramick\u00fd materi\u00e1l s \u010detn\u00fdmi mo\u017enostmi vyu\u017eit\u00ed. A\u010dkoli se tato l\u00e1tka nej\u010dast\u011bji spojuje s v\u00fdrobou hlin\u00edku, nach\u00e1z\u00ed uplatn\u011bn\u00ed i v mnoha dal\u0161\u00edch pr\u016fmyslov\u00fdch odv\u011btv\u00edch.<\/p>\n
Oxid hlinit\u00fd je mimo\u0159\u00e1dn\u011b odoln\u00fd materi\u00e1l, kter\u00fd bez ztr\u00e1ty vlastnost\u00ed sn\u00e1\u0161\u00ed vysok\u00e9 teploty i p\u016fsoben\u00ed kyselin a z\u00e1sad, d\u00edky \u010demu\u017e je vhodn\u00fd pro v\u00fdrobu keramiky a ot\u011bruvzdorn\u00fdch povlak\u016f a z\u00e1rove\u0148 odol\u00e1v\u00e1 vysok\u00fdm tlak\u016fm. Krom\u011b toho se oxid hlinit\u00fd vyzna\u010duje vynikaj\u00edc\u00ed tvrdost\u00ed a odolnost\u00ed v\u016f\u010di kyselin\u00e1m \u2013 d\u00edky t\u011bmto vlastnostem je oxid hlinit\u00fd vynikaj\u00edc\u00ed volbou.<\/p>\n
Pr\u00e1\u0161ek z deaglomerovan\u00e9ho oxidu hlinit\u00e9ho lze d\u00edky sv\u00fdm p\u0159\u00edsn\u00fdm specifikac\u00edm ohledn\u011b velikosti \u010d\u00e1stic a \u010distoty pou\u017e\u00edt tak\u00e9 k le\u0161t\u011bn\u00ed metalografick\u00fdch vzork\u016f, p\u0159i\u010dem\u017e zaji\u0161\u0165uje optim\u00e1ln\u00ed v\u00fdsledky le\u0161t\u011bn\u00ed. Deaglomerovan\u00fd oxid hlinit\u00fd je obzvl\u00e1\u0161t\u011b u\u017eite\u010dn\u00fd, proto\u017ee d\u00edky men\u0161\u00edmu po\u010dtu aglomer\u00e1t\u016f vytv\u00e1\u0159\u00ed hlad\u0161\u00ed povrch. Deaglomerovan\u00fd oxid hlinit\u00fd se \u010dasto pou\u017e\u00edv\u00e1 p\u0159i v\u00fdrob\u011b tepeln\u00fdch past a izola\u010dn\u00edch pouzder, stejn\u011b jako p\u0159i v\u00fdrob\u011b konstruk\u010dn\u00ed a elektronick\u00e9 keramiky.<\/p>\n
Alumina je elektrick\u00fd izol\u00e1tor a nekovov\u00fd materi\u00e1l, kter\u00fd se b\u011b\u017en\u011b pou\u017e\u00edv\u00e1 v mnoha oblastech, a to jak pro elektrickou izolaci, tak pro \u017e\u00e1ruvzdorn\u00e9 aplikace. Jako vysoce odoln\u00fd \u017e\u00e1ruvzdorn\u00fd materi\u00e1l schopn\u00fd odol\u00e1vat vysok\u00fdm teplot\u00e1m nach\u00e1z\u00ed oxid hlinit\u00fd \u0161irok\u00e9 uplatn\u011bn\u00ed v laserov\u00fdch sou\u010d\u00e1stech, elektrooptick\u00fdch za\u0159\u00edzen\u00edch, p\u0159\u00edstroj\u00edch pro m\u011b\u0159en\u00ed pr\u016ftoku a senzorech; v chemick\u00fdch \u010derpadlech d\u00edky sv\u00e9 teplotn\u00ed stabilit\u011b; nebo je jednodu\u0161e pou\u017e\u00edv\u00e1n jako estetick\u00fd prvek v produktech pro bytovou v\u00fdzdobu, jako jsou nap\u0159\u00edklad lampy.<\/p>\n
Oxid titani\u010dit\u00fd (TiO\u2082) je ned\u00edlnou sou\u010d\u00e1st\u00ed raketov\u00fdch paliv, v\u00fdbu\u0161nin a pyrotechnick\u00fdch p\u0159\u00edpravk\u016f, stejn\u011b jako keramick\u00fdch surovin, kde slou\u017e\u00ed jako nosi\u010d katalyz\u00e1toru. Krom\u011b toho se tato l\u00e1tka v kosmetice pou\u017e\u00edv\u00e1 jako zahu\u0161\u0165ovadlo pro dosa\u017een\u00ed hladk\u00e9 textury.<\/p>\n
Pr\u00e1\u0161ek z oxidu hlinit\u00e9ho neabsorbuje vlhkost, av\u0161ak z d\u016fvodu optim\u00e1ln\u00edho skladov\u00e1n\u00ed by m\u011bl b\u00fdt uchov\u00e1v\u00e1n v vzduchot\u011bsn\u00e9 n\u00e1dob\u011b, aby se zabr\u00e1nilo absorpci vlhkosti. Rovn\u011b\u017e je t\u0159eba jej ozna\u010dit \u0161t\u00edtkem a dodr\u017eovat bezpe\u010dnostn\u00ed protokoly.<\/p>\n
Pr\u00e1\u0161ek z oxidu hlinit\u00e9ho se \u0161iroce vyu\u017e\u00edv\u00e1 jako le\u0161tic\u00ed materi\u00e1l v keramice a kosmetice, kde slou\u017e\u00ed jak jako zahu\u0161\u0165ovadlo, tak jako absorp\u010dn\u00ed l\u00e1tka v exfolia\u010dn\u00edch p\u0159\u00edpravc\u00edch. D\u00edky sv\u00e9 absorp\u010dn\u00ed schopnosti je nav\u00edc vhodn\u00fd jako slo\u017eka nerozbitn\u00e9ho skla a nepr\u016fst\u0159eln\u00fdch oken; jeho izola\u010dn\u00ed vlastnosti lze d\u00e1le vyu\u017e\u00edt ve vysokovakuov\u00fdch syst\u00e9mech i v elektrick\u00fdch sou\u010d\u00e1stech, jako jsou laserov\u00e1 za\u0159\u00edzen\u00ed, rentgenov\u00e9 trubice a mikrovlnn\u00e1 okna.<\/p>\n
Kalcinovan\u00fd oxid hlinit\u00fd lze pou\u017e\u00edt k v\u00fdrob\u011b vysoce kvalitn\u00edch keramick\u00fdch tvarovek, \u017e\u00e1ruvzdorn\u00fdch materi\u00e1l\u016f a brusiv z taven\u00e9ho oxidu hlinit\u00e9ho \u0161pi\u010dkov\u00e9 kvality. Tento materi\u00e1l lze nav\u00edc vyu\u017e\u00edt v d\u00edlech s kovov\u00fdm povlakem, kter\u00e9 se pou\u017e\u00edvaj\u00ed v sestav\u00e1ch pro vysokoteplotn\u00ed p\u00e1jen\u00ed, a v dal\u0161\u00edch aplikac\u00edch vy\u017eaduj\u00edc\u00edch odolnost v\u016f\u010di chemik\u00e1li\u00edm, teplu a od\u011bru.<\/p>\n
Oxid hlinit\u00fd lze zpracov\u00e1vat r\u016fzn\u00fdmi v\u00fdrobn\u00edmi technikami, v\u010detn\u011b lisov\u00e1n\u00ed, odl\u00e9v\u00e1n\u00ed, lit\u00ed do forem a tv\u00e1\u0159en\u00ed za pomoci ka\u0161e. \u010casto se kombinuje s organick\u00fdmi a anorganick\u00fdmi pojivy, mazivy, elektrolyty a zm\u011bk\u010dovadly; tato aditiva mohou b\u00fdt p\u0159id\u00e1v\u00e1na b\u011bhem m\u00edch\u00e1n\u00ed nebo a\u017e po n\u011bm. Jeliko\u017e je oxid hlinit\u00fd nehygroskopick\u00fd, m\u016f\u017ee v\u0161ak b\u011bhem skladov\u00e1n\u00ed a manipulace doj\u00edt k jeho kontaminaci vlhkost\u00ed, proto je vhodn\u00e9 jej skladovat na such\u00fdch m\u00edstech a dodr\u017eovat bezpe\u010dnostn\u00ed pokyny v\u00fdrobce pro skladov\u00e1n\u00ed a manipulaci.<\/p>\n
Keramika z oxidu hlinit\u00e9ho, kter\u00e1 se vyr\u00e1b\u00ed z pr\u00e1\u0161kov\u00e9ho oxidu hlinit\u00e9ho, nach\u00e1z\u00ed v pr\u016fmyslu \u0161irok\u00e9 uplatn\u011bn\u00ed v nejr\u016fzn\u011bj\u0161\u00edch oblastech, od stavebn\u00edch materi\u00e1l\u016f a plniv a\u017e po brusiva a nosi\u010de katalyz\u00e1tor\u016f. Keramika z oxidu hlinit\u00e9ho se tak\u00e9 vyzna\u010duje vynikaj\u00edc\u00ed tepelnou a chemickou stabilitou i odolnost\u00ed proti opot\u0159eben\u00ed \u2013 d\u00edky \u010demu\u017e je ide\u00e1ln\u00edm materi\u00e1lem pro chemick\u00e9 a petrochemick\u00e9 \u00fa\u010dely, kde je t\u0159eba odol\u00e1vat p\u016fsoben\u00ed agresivn\u00edch chemik\u00e1li\u00ed, jako je kyselina fluorovod\u00edkov\u00e1 nebo alkalick\u00e9 soli.<\/p>\n
Oxid hlinit\u00fd lze zpracovat do mnoha r\u016fzn\u00fdch tvar\u016f, v\u010detn\u011b Raschigov\u00fdch krou\u017ek\u016f, por\u00e9zn\u00edch v\u00e1lc\u016f s jedn\u00edm nebo v\u00edce otvory a \u017eebrovan\u00fdch v\u00e1lc\u016f. Kvalita kone\u010dn\u00e9ho v\u00fdrobku z\u00e1vis\u00ed na objemu p\u00f3r\u016f, zat\u00edmco chemick\u00e1 \u010distota a tvrdost jsou d\u016fle\u017eit\u00fdmi faktory ovliv\u0148uj\u00edc\u00edmi jeho \u017eivotnost.<\/p>\n
Krom\u011b sv\u00fdch izola\u010dn\u00edch vlastnost\u00ed se oxid hlinit\u00fd vyzna\u010duje vysokou elektrickou vodivost\u00ed, d\u00edky \u010demu\u017e je ide\u00e1ln\u00edm materi\u00e1lem pro elektronick\u00e9 aplikace. To z n\u011bj \u010din\u00ed vynikaj\u00edc\u00ed volbu p\u0159i v\u00fdrob\u011b komponent\u016f, jako jsou kondenz\u00e1tory. Krom\u011b toho tvo\u0159\u00ed z\u00e1kladn\u00ed materi\u00e1l v zubn\u00ed a l\u00e9ka\u0159sk\u00e9 keramice, kter\u00e1 se vyzna\u010duje vysokou tvrdost\u00ed, odolnost\u00ed v\u016f\u010di vysok\u00fdm teplot\u00e1m a z\u00e1rove\u0148 dostate\u010dnou hou\u017eevnatost\u00ed pro ka\u017edodenn\u00ed nam\u00e1h\u00e1n\u00ed.<\/p>","protected":false},"excerpt":{"rendered":"
What Is Alumina Powder Used For? Alumina powder is an indispensable material used in various industrial settings. Its primary use […]<\/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":"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-80","post","type-post","status-publish","format-standard","hentry","category-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/aluminapowder.net\/cs\/wp-json\/wp\/v2\/posts\/80","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=80"}],"version-history":[{"count":1,"href":"https:\/\/aluminapowder.net\/cs\/wp-json\/wp\/v2\/posts\/80\/revisions"}],"predecessor-version":[{"id":81,"href":"https:\/\/aluminapowder.net\/cs\/wp-json\/wp\/v2\/posts\/80\/revisions\/81"}],"wp:attachment":[{"href":"https:\/\/aluminapowder.net\/cs\/wp-json\/wp\/v2\/media?parent=80"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aluminapowder.net\/cs\/wp-json\/wp\/v2\/categories?post=80"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aluminapowder.net\/cs\/wp-json\/wp\/v2\/tags?post=80"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}