Pr\u00e1\u0161ok z oxidu hlinit\u00e9ho je nenahradite\u013en\u00fd materi\u00e1l pou\u017e\u00edvan\u00fd v r\u00f4znych priemyseln\u00fdch odvetviach. Vyu\u017e\u00edva sa predov\u0161etk\u00fdm vo v\u00fdrobn\u00fdch procesoch pr\u00e1\u0161kovej metalurgie, ako aj pri v\u00fdrobe oh\u0148ostrojov; m\u00f4\u017ee sa dokonca pou\u017ei\u0165 aj na dodanie kovov\u00e9ho lesku.<\/p>\n
Ustricov\u00e1 \u0161krupina je mimoriadne tvrd\u00e1 l\u00e1tka a be\u017ene sa pou\u017e\u00edva na le\u0161tenie kovov\u00fdch povrchov. Okrem toho p\u00f4sob\u00ed ako dobr\u00fd izolant a d\u00e1 sa prid\u00e1va\u0165 do glaz\u00far na vytvorenie matn\u00fdch povrchov (hoci menej \u00fa\u010dinne ako kaol\u00edn). Ustricov\u00e1 \u0161krupina navy\u0161e stabilizuje taveninu glaz\u00fary a zni\u017euje zmr\u0161tenie.<\/p>\n
Pr\u00e1\u0161ok z oxidu hlinit\u00e9ho je \u0161iroko pou\u017e\u00edvan\u00fd keramick\u00fd materi\u00e1l s mnoh\u00fdmi mo\u017enos\u0165ami vyu\u017eitia. Hoci sa t\u00e1to l\u00e1tka naj\u010dastej\u0161ie sp\u00e1ja s v\u00fdrobou hlin\u00edka, nach\u00e1dza uplatnenie aj v r\u00f4znych in\u00fdch priemyseln\u00fdch odvetviach.<\/p>\n
Oxid hlinit\u00fd je mimoriadne odoln\u00fd materi\u00e1l, ktor\u00fd bez po\u0161kodenia odol\u00e1va vysok\u00fdm teplot\u00e1m, p\u00f4sobeniu kysel\u00edn aj z\u00e1sad, v\u010faka \u010domu je vhodn\u00fd na v\u00fdrobu keramiky a odoln\u00fdch povlakov a z\u00e1rove\u0148 odol\u00e1va vysok\u00fdm tlakom. Okrem toho sa oxid hlinit\u00fd vyzna\u010duje vynikaj\u00facou tvrdos\u0165ou a odolnos\u0165ou vo\u010di kyselin\u00e1m \u2013 tieto vlastnosti z neho robia vynikaj\u00facu vo\u013ebu.<\/p>\n
Pr\u00e1\u0161ok z deaglomerovan\u00e9ho oxidu hlinit\u00e9ho sa m\u00f4\u017ee pou\u017e\u00edva\u0165 aj na le\u0161tenie metalografick\u00fdch vzoriek v\u010faka svojim pr\u00edsnym \u0161pecifik\u00e1ci\u00e1m ve\u013ekosti \u010dast\u00edc a \u010distoty, \u010d\u00edm zabezpe\u010duje optim\u00e1lne v\u00fdsledky le\u0161tenia. Deaglomerovan\u00fd oxid hlinit\u00fd je obzvl\u00e1\u0161\u0165 u\u017eito\u010dn\u00fd, preto\u017ee v\u010faka zn\u00ed\u017een\u00e9mu po\u010dtu aglomer\u00e1tov vytv\u00e1ra hlad\u0161\u00ed povrch. Deaglomerovan\u00fd oxid hlinit\u00fd sa \u010dasto pou\u017e\u00edva pri v\u00fdrobe tepelnej pasty a izola\u010dn\u00fdch puzdier, ako aj pri v\u00fdrobe kon\u0161truk\u010dnej a elektronickej keramiky.<\/p>\n
Alumina je elektrick\u00fd izolant a nekovov\u00fd materi\u00e1l, ktor\u00fd sa be\u017ene vyu\u017e\u00edva v mnoh\u00fdch oblastiach, a to ako na elektrick\u00fa izol\u00e1ciu, tak aj ako \u017eiaruvzdorn\u00fd materi\u00e1l. Ako vysoko odoln\u00fd \u017eiaruvzdorn\u00fd materi\u00e1l schopn\u00fd odol\u00e1va\u0165 vysok\u00fdm teplot\u00e1m nach\u00e1dza oxid hlinit\u00fd \u0161irok\u00e9 uplatnenie v laserov\u00fdch komponentoch, elektrooptick\u00fdch zariadeniach, pr\u00edstrojoch na meranie prietoku a senzoroch; v chemick\u00fdch \u010derpadl\u00e1ch v\u010faka svojej teplotnej stabilite; alebo sa jednoducho pou\u017e\u00edva ako estetick\u00fd prvok v produktoch pre dom\u00e1ce dekor\u00e1cie, ako s\u00fa napr\u00edklad lampy.<\/p>\n
Oxid titani\u010dit\u00fd (TiO\u2082) je neoddelite\u013enou zlo\u017ekou raketov\u00fdch pal\u00edv, v\u00fdbu\u0161n\u00edn a pyrotechnick\u00fdch v\u00fdrobkov, ako aj keramick\u00fdch surov\u00edn, ke\u010f\u017ee sl\u00fa\u017ei ako nosi\u010d katalyz\u00e1tora. Okrem toho sa t\u00e1to l\u00e1tka v kozmetike pou\u017e\u00edva ako zahus\u0165ovadlo na dosiahnutie hladkej konzistencie.<\/p>\n
Pr\u00e1\u0161ok z oxidu hlinit\u00e9ho neabsorbuje vlhkos\u0165, av\u0161ak z h\u013eadiska optim\u00e1lnych postupov skladovania by sa mal uchov\u00e1va\u0165 vo vzduchotesnej n\u00e1dobe, aby sa zabr\u00e1nilo absorpcii vlhkosti. Je tie\u017e potrebn\u00e9 ho ozna\u010di\u0165 a dodr\u017eiava\u0165 pr\u00edslu\u0161n\u00e9 bezpe\u010dnostn\u00e9 protokoly.<\/p>\n
Pr\u00e1\u0161ok z oxidu hlinit\u00e9ho sa \u0161iroko vyu\u017e\u00edva ako le\u0161tiaci materi\u00e1l v keramike a kozmetike, kde sl\u00fa\u017ei ako zahus\u0165ovadlo aj ako absorbent v exfoliantn\u00fdch pr\u00edpravkoch. V\u010faka svojej absorp\u010dnej schopnosti je navy\u0161e vhodn\u00fd aj ako zlo\u017eka nerozbitn\u00e9ho skla a nepriestreln\u00fdch okien; okrem toho sa jeho izola\u010dn\u00e9 vlastnosti daj\u00fa vyu\u017ei\u0165 aj vo vysokovakuov\u00fdch syst\u00e9moch, ako aj v elektrick\u00fdch komponentoch, ako s\u00fa laserov\u00e9 zariadenia, r\u00f6ntgenov\u00e9 trubice a mikrovlnn\u00e9 okn\u00e1.<\/p>\n
Kalcinovan\u00fd oxid hlinit\u00fd sa d\u00e1 pou\u017ei\u0165 na v\u00fdrobu vysoko kvalitn\u00fdch keramick\u00fdch tvaroviek, \u017eiaruvzdorn\u00fdch materi\u00e1lov a br\u00fasnych materi\u00e1lov z taven\u00e9ho oxidu hlinit\u00e9ho najvy\u0161\u0161ej kvality. Okrem toho sa tento materi\u00e1l d\u00e1 vyu\u017ei\u0165 v dieloch s kovov\u00fdm povlakom, ktor\u00e9 sa pou\u017e\u00edvaj\u00fa vo vysokoteplotn\u00fdch sp\u00e1jkovac\u00edch zostav\u00e1ch, ako aj v \u010fal\u0161\u00edch aplik\u00e1ci\u00e1ch vy\u017eaduj\u00facich odolnos\u0165 vo\u010di chemik\u00e1li\u00e1m, teplu a oderu.<\/p>\n
Oxid hlinit\u00fd je mo\u017en\u00e9 spracov\u00e1va\u0165 r\u00f4znymi v\u00fdrobn\u00fdmi technikami, medzi ktor\u00e9 patr\u00ed lisovanie, odlievanie, odlievanie zo suspenzie a formovanie zo suspenzie. \u010casto sa kombinuje s organick\u00fdmi a anorganick\u00fdmi spojivami, mazivami, elektrolytmi a plastifik\u00e1tormi; tieto pr\u00edsady sa m\u00f4\u017eu prid\u00e1va\u0165 po\u010das alebo po procese mie\u0161ania. Ke\u010f\u017ee oxid hlinit\u00fd nie je hygroskopick\u00fd, vlhkos\u0165 ho v\u0161ak m\u00f4\u017ee kontaminova\u0165 po\u010das skladovania a manipul\u00e1cie, preto je vhodn\u00e9 skladova\u0165 ho na such\u00fdch miestach a dodr\u017eiava\u0165 bezpe\u010dnostn\u00e9 pokyny v\u00fdrobcu t\u00fdkaj\u00face sa skladovania a manipul\u00e1cie.<\/p>\n
Keramika z oxidu hlinit\u00e9ho, ktor\u00e1 sa vyr\u00e1ba z pr\u00e1\u0161ku oxidu hlinit\u00e9ho, sa v priemysle \u0161iroko vyu\u017e\u00edva na r\u00f4zne \u00fa\u010dely, od stavebn\u00fdch materi\u00e1lov a plnidiel a\u017e po br\u00fasne prostriedky a nosi\u010de katalyz\u00e1torov. Keramika z oxidu hlinit\u00e9ho sa vyzna\u010duje aj vynikaj\u00facou tepelnou a chemickou stabilitou, ako aj odolnos\u0165ou proti opotrebeniu \u2013 v\u010faka \u010domu je ide\u00e1lnou vo\u013ebou materi\u00e1lu pre chemick\u00e9 a petrochemick\u00e9 pou\u017eitie, kde je potrebn\u00e9 odol\u00e1va\u0165 p\u00f4sobeniu agres\u00edvnych chemik\u00e1li\u00ed, ako je kyselina fluorovod\u00edkov\u00e1 alebo alkalick\u00e9 soli.<\/p>\n
Oxid hlinit\u00fd je mo\u017en\u00e9 tvarova\u0165 do mnoh\u00fdch r\u00f4znych foriem, vr\u00e1tane Raschigov\u00fdch kr\u00fa\u017ekov, por\u00e9znych valcov s jedn\u00fdm alebo viacer\u00fdmi otvormi a rebrovan\u00fdch valcov. Kvalita kone\u010dn\u00e9ho v\u00fdrobku z\u00e1vis\u00ed od objemu p\u00f3rov, pri\u010dom chemick\u00e1 \u010distota a tvrdos\u0165 s\u00fa d\u00f4le\u017eit\u00fdmi faktormi ovplyv\u0148uj\u00facimi jeho \u017eivotnos\u0165.<\/p>\n
Okrem izola\u010dn\u00fdch vlastnost\u00ed sa oxid hlinit\u00fd vyzna\u010duje vysokou elektrickou vodivos\u0165ou, v\u010faka \u010domu je ide\u00e1lnym materi\u00e1lom pre elektronick\u00e9 aplik\u00e1cie. Preto je oxid hlinit\u00fd vynikaj\u00facou vo\u013ebou pri v\u00fdrobe komponentov, ako s\u00fa kondenz\u00e1tory. Okrem toho tvor\u00ed z\u00e1kladn\u00fd materi\u00e1l v zubnej a lek\u00e1rskej keramike, ktor\u00e1 sa vyzna\u010duje vysokou tvrdos\u0165ou, odolnos\u0165ou vo\u010di vysok\u00fdm teplot\u00e1m a z\u00e1rove\u0148 dostato\u010dnou odolnos\u0165ou vo\u010di ka\u017edodenn\u00e9mu opotrebeniu.<\/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\/sk\/wp-json\/wp\/v2\/posts\/80","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aluminapowder.net\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aluminapowder.net\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aluminapowder.net\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aluminapowder.net\/sk\/wp-json\/wp\/v2\/comments?post=80"}],"version-history":[{"count":1,"href":"https:\/\/aluminapowder.net\/sk\/wp-json\/wp\/v2\/posts\/80\/revisions"}],"predecessor-version":[{"id":81,"href":"https:\/\/aluminapowder.net\/sk\/wp-json\/wp\/v2\/posts\/80\/revisions\/81"}],"wp:attachment":[{"href":"https:\/\/aluminapowder.net\/sk\/wp-json\/wp\/v2\/media?parent=80"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aluminapowder.net\/sk\/wp-json\/wp\/v2\/categories?post=80"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aluminapowder.net\/sk\/wp-json\/wp\/v2\/tags?post=80"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}