Ocel a hlin\u00edk se mohou zd\u00e1t jako dv\u011b nepravd\u011bpodobn\u00e9 dvojice, ale jejich kombinac\u00ed vznik\u00e1 ide\u00e1ln\u00ed kompozitn\u00ed materi\u00e1l. Hlin\u00edkov\u00e1 ocel vyu\u017e\u00edv\u00e1 v\u00fdhod pevnosti a odolnosti proti korozi obou materi\u00e1l\u016f a vytv\u00e1\u0159\u00ed tak mimo\u0159\u00e1dn\u011b univerz\u00e1ln\u00ed hybridn\u00ed materi\u00e1l.<\/p>\n
Hlin\u00edkov\u00e1 ocel m\u00e1 mnohostrann\u00e9 vyu\u017eit\u00ed, od tlumi\u010d\u016f hluku a\u017e po kuchy\u0148sk\u00e9 n\u00e1dob\u00ed. Dob\u0159e odr\u00e1\u017e\u00ed s\u00e1lav\u00e9 teplo a je schopna odol\u00e1vat teplot\u00e1m, kter\u00e9 jin\u00e9 oceli nedok\u00e1\u017eou.<\/p>\n
Hlin\u00edkov\u00e1 ocel kombinuje svou pevnost s povrchov\u00fdmi vlastnostmi hlin\u00edku a vytv\u00e1\u0159\u00ed tak materi\u00e1l s vynikaj\u00edc\u00ed tepelnou odolnost\u00ed a estetick\u00fdmi vlastnostmi, kter\u00fd je vhodn\u00fd pro vysok\u00e9 teploty a z\u00e1rove\u0148 vypad\u00e1 atraktivn\u011b. Aluminizovan\u00e1 ocel je tepeln\u011b odoln\u011bj\u0161\u00ed ne\u017e jej\u00ed pozinkovan\u00fd prot\u011bj\u0161ek a z\u00e1rove\u0148 si zachov\u00e1v\u00e1 pevn\u011bj\u0161\u00ed konstruk\u010dn\u00ed integritu ne\u017e nerezov\u00e1 ocel pro pr\u016fmyslov\u00e9 pou\u017eit\u00ed.<\/p>\n
\u017d\u00e1rov\u00e9 pono\u0159ov\u00e1n\u00ed je hlavn\u00edm zp\u016fsobem v\u00fdroby aluminizovan\u00e9 oceli. Tato metoda spo\u010d\u00edv\u00e1 v pono\u0159en\u00ed oceli do k\u00e1d\u011b s hlin\u00edkem, \u010d\u00edm\u017e se na n\u00ed vytvo\u0159\u00ed povlak ze slitiny hlin\u00edku a k\u0159em\u00edku, kter\u00fd zvy\u0161uje jej\u00ed ta\u017enost i odolnost proti korozi a \u010din\u00ed ji odoln\u011bj\u0161\u00ed v\u016f\u010di teplu a korozi ne\u017e standardn\u00ed uhl\u00edkov\u00e1 ocel.<\/p>\n
Tento n\u00e1t\u011br je velmi univerz\u00e1ln\u00ed a lze jej pou\u017e\u00edt v pr\u016fmyslov\u00e9m i komer\u010dn\u00edm prost\u0159ed\u00ed pro r\u016fzn\u00e9 \u00fa\u010dely. Lze jej v\u00e1lcovat, \u0159ezat, tvarovat a oh\u00fdbat do slo\u017eit\u00fdch tvar\u016f, ani\u017e by ztratil sv\u00e9 \u017e\u00e1ruvzdorn\u00e9 vlastnosti; je tak\u00e9 nutn\u00e9 spr\u00e1vn\u011b prov\u00e1d\u011bt techniky sva\u0159ov\u00e1n\u00ed, aby nedo\u0161lo k poru\u0161e spoje.<\/p>\n
Hlin\u00edkov\u00e1 ocel m\u00e1 schopnost odol\u00e1vat kyselin\u00e1m a kondenzaci, ani\u017e by podl\u00e9hala korozi, a to d\u00edky hlin\u00edko-k\u0159em\u00edkov\u00e9mu povlaku, kter\u00fd funguje jako ochrann\u00fd \u0161t\u00edt mezi n\u00ed a okol\u00edm. Po\u0161kr\u00e1ban\u00fd nebo po\u0161kozen\u00fd povrch v\u0161ak umo\u017en\u00ed korozi jej\u00edho ocelov\u00e9ho j\u00e1dra; z tohoto d\u016fvodu se p\u0159i pr\u00e1ci s t\u00edmto materi\u00e1lem doporu\u010duje pou\u017e\u00edvat silikonov\u00e9 nebo plastov\u00e9 n\u00e1\u010din\u00ed a vyh\u00fdbat se \u00fader\u016fm ostr\u00fdmi p\u0159edm\u011bty, kter\u00e9 by mohly po\u0161kodit nebo po\u0161kr\u00e1bat jeho ochrann\u00fd \u0161t\u00edt.<\/p>\n
Aluminizovan\u00e1 ocel vynik\u00e1 jak svou tepelnou odolnost\u00ed, tak odrazivost\u00ed, p\u0159i\u010dem\u017e povlak je schopen odolat teplot\u00e1m a\u017e 900 F, ne\u017e za\u010dne degradovat, a odr\u00e1\u017e\u00ed a\u017e 80% tepla, kter\u00e9 na n\u011bj dopad\u00e1, zp\u011bt ven jako sv\u011bteln\u00e9 z\u00e1\u0159en\u00ed - d\u00edky tomu je ide\u00e1ln\u00ed pro pou\u017eit\u00ed v ochrann\u00fdch od\u011bvech, jako je v\u00fdstroj, kterou nos\u00ed hasi\u010di.<\/p>\n
Hlin\u00edkovou ocel lze pou\u017e\u00edt na st\u0159e\u0161n\u00ed krytiny a obklady, sk\u0159\u00edn\u011b kondenz\u00e1tor\u016f klimatizac\u00ed, su\u0161\u00e1rny, z\u00e1sobn\u00edky na obil\u00ed a su\u0161\u00e1rny. Pro aplikace vy\u017eaduj\u00edc\u00ed je\u0161t\u011b vy\u0161\u0161\u00ed odolnost proti korozi lze aluminizovanou ocel typu 2 vyrobit kalorizac\u00ed; ta spo\u010d\u00edv\u00e1 v pono\u0159en\u00ed oceli do hlin\u00edkov\u00e9 sm\u011bsi za extr\u00e9mn\u00edch tepeln\u00fdch podm\u00ednek p\u0159ed jej\u00edm podroben\u00edm kalorizaci; nakonec tento povlak vytvo\u0159\u00ed na jej\u00edm povrchu extr\u00e9mn\u011b odolnou hlin\u00edkovou vrstvu a vytvo\u0159\u00ed na n\u00ed extr\u00e9mn\u011b dlouhotrvaj\u00edc\u00ed hlin\u00edkovou povrchovou vrstvu.<\/p>\n
Ocel je pevn\u00fd materi\u00e1l, ale v ur\u010dit\u00fdch prost\u0159ed\u00edch m\u016f\u017ee korodovat. Materi\u00e1l Aluminize vyu\u017e\u00edv\u00e1 obou vlastnost\u00ed - pevnosti oceli v kombinaci s odolnost\u00ed hlin\u00edku proti korozi - a vytv\u00e1\u0159\u00ed tak ide\u00e1ln\u00ed materi\u00e1l vhodn\u00fd pro aplikace v oblasti tepla a odolnosti.<\/p>\n
Aluminizovan\u00e1 ocel vznik\u00e1, kdy\u017e je b\u011b\u017en\u00e1 uhl\u00edkov\u00e1 ocel pokryta povlakem slitiny hlin\u00edku a k\u0159em\u00edku obsahuj\u00edc\u00edm k\u0159em\u00edk 5-11%, kter\u00fd podporuje p\u0159ilnavost mezi jej\u00edm povrchem a z\u00e1kladn\u00edm kovem. T\u00edm se vytvo\u0159\u00ed siln\u00e1 kovov\u00e1 vazba mezi ocel\u00ed a hlin\u00edkem, kter\u00e1 odol\u00e1v\u00e1 extr\u00e9mn\u00edm teplot\u00e1m, ani\u017e by \u010dasem doch\u00e1zelo ke korozi.<\/p>\n
Ocel a hlin\u00edk se bez probl\u00e9m\u016f spojuj\u00ed v tomto univerz\u00e1ln\u00edm materi\u00e1lu, kter\u00fd se \u0161iroce pou\u017e\u00edv\u00e1 jak v pr\u016fmyslu, tak v dom\u00e1cnostech, a to od dom\u00e1c\u00edch spot\u0159ebi\u010d\u016f, jako jsou tlumi\u010de hluku, trouby, spor\u00e1ky, oh\u0159\u00edva\u010de, krby, grilovac\u00ed ho\u0159\u00e1ky a pe\u010dic\u00ed p\u00e1nve, a\u017e po st\u0159echy, bo\u010dn\u00ed n\u00e1dr\u017ee a z\u00e1sobn\u00edky na obil\u00ed - a dokonce i pr\u016fmyslov\u00e9 trubky pro p\u0159enos p\u00e1ry nebo kyselin!<\/p>\n
Jedn\u00edm z d\u016fvod\u016f, pro\u010d je hlin\u00edkov\u00e1 ocel odoln\u011bj\u0161\u00ed proti korozi, je hlin\u00edkovo-k\u0159em\u00edkov\u00e1 vrstva, kter\u00e1 p\u016fsob\u00ed jako \u00fa\u010dinn\u00e1 bari\u00e9ra mezi n\u00ed a oxida\u010dn\u00edmi prvky, a zabra\u0148uje tak vzniku rzi na jej\u00edm povrchu. Krom\u011b toho jej\u00ed oxidov\u00e1 slupka funguje jako ob\u011btn\u00ed anoda; nab\u00edz\u00ed ochranu oceli pod n\u00ed t\u00edm, \u017ee se sama ob\u011btav\u011b vzd\u00e1v\u00e1 funkce anody. Krom\u011b toho se p\u0159i m\u00edrn\u00e9m tv\u00e1\u0159en\u00ed, zvl\u00e1k\u0148ov\u00e1n\u00ed a ta\u017een\u00ed jeho ochrann\u00e1 vrstva nijak v\u00fdrazn\u011b neodlupuje ani neodlupuje.<\/p>\n
Aluminizovanou ocel lze sva\u0159ovat stejn\u011b jako b\u011b\u017enou uhl\u00edkovou ocel, co\u017e z n\u00ed \u010din\u00ed vynikaj\u00edc\u00ed volbu pro aplikace vy\u017eaduj\u00edc\u00ed trvanlivost a odolnost proti korozi. Aluminizovan\u00e1 ocel se \u010dasto pou\u017e\u00edv\u00e1 pro stavebn\u00ed projekty, kter\u00e9 mus\u00ed odol\u00e1vat vysok\u00fdm teplot\u00e1m a z\u00e1rove\u0148 si zachovat struktur\u00e1ln\u00ed integritu, jako jsou vyzd\u00edvky pec\u00ed a kotl\u016f, sou\u010d\u00e1sti vozidel, jako jsou bezpe\u010dnostn\u00ed klece, nosn\u00edky dve\u0159\u00ed, kyvn\u00e9 vidlice a sloupky, nebo vyzd\u00edvky pec\u00ed a kotl\u016f. Pro toto pou\u017eit\u00ed jsou obzvl\u00e1\u0161t\u011b vhodn\u00e9 lisovateln\u00e9 aluminizovan\u00e9 oceli Usibor s povlaky ze slitiny hlin\u00edku a k\u0159em\u00edku s pevnost\u00ed v tahu a\u017e 1500 MPa, proto\u017ee jejich odolnost proti pru\u017een\u00ed umo\u017e\u0148uje v\u00fdrobu slo\u017eit\u00fdch tvar\u016f p\u0159i vysok\u00fdch pevnostech bez probl\u00e9m\u016f s pru\u017een\u00edm.<\/p>\n
Hlin\u00edk je mnohem pevn\u011bj\u0161\u00ed ne\u017e ocel, a proto l\u00e9pe odol\u00e1v\u00e1 tlaku - vydr\u017e\u00ed v\u00edce ne\u017e dvakr\u00e1t v\u011bt\u0161\u00ed hmotnost, ne\u017e se pod tlakem zlom\u00ed. In\u017een\u00fd\u0159i v\u0161ak p\u0159i m\u011b\u0159en\u00ed odolnosti materi\u00e1lu berou v \u00favahu i dal\u0161\u00ed faktory; p\u0159i hodnocen\u00ed odolnosti se zam\u011b\u0159uj\u00ed na to, jak dob\u0159e materi\u00e1l sn\u00e1\u0161\u00ed opakovan\u00e9 nam\u00e1h\u00e1n\u00ed a deformaci; k tomuto \u00fa\u010delu pou\u017e\u00edvaj\u00ed r\u016fzn\u00e9 mechanick\u00e9 zku\u0161ebn\u00ed metody.<\/p>\n
P\u0159i posuzov\u00e1n\u00ed \u017eivotnosti hlin\u00edku je nejprve nutn\u00e9 posoudit jeho odolnost v\u016f\u010di korozi a vysok\u00fdm teplot\u00e1m. Aluminov\u00e1n\u00ed chr\u00e1n\u00ed ocel t\u00edm, \u017ee ji pokr\u00fdv\u00e1 slitinou hlin\u00edku a k\u0159em\u00edku, kter\u00e1 ji chr\u00e1n\u00ed p\u0159ed oxidac\u00ed a extr\u00e9mn\u00edmi teplotami; nav\u00edc je zn\u00e1mo, \u017ee odr\u00e1\u017e\u00ed a\u017e 80% p\u0159ich\u00e1zej\u00edc\u00edho z\u00e1\u0159en\u00ed, co\u017e j\u00ed pom\u00e1h\u00e1 odv\u00e1d\u011bt teplo \u00fa\u010dinn\u011bji ne\u017e tradi\u010dn\u00ed metody povrchov\u00e9 \u00fapravy.<\/p>\n
Hlin\u00edkov\u00e1 ocel \u017e\u00e1rov\u011b pono\u0159en\u00e1 se vyr\u00e1b\u00ed ve dvou z\u00e1kladn\u00edch variant\u00e1ch, typu 1 a 2. Ka\u017ed\u00e1 z nich poskytuje jedine\u010dn\u00e9 vlastnosti a pou\u017eit\u00ed. Typ 1 se vyzna\u010duje povlakem ze slitiny hlin\u00edku a k\u0159em\u00edku obsahuj\u00edc\u00edm 5-11% k\u0159em\u00edku pro vynikaj\u00edc\u00ed p\u0159ilnavost; nejl\u00e9pe se pou\u017e\u00edv\u00e1 u v\u00fdrobk\u016f, kde jsou kl\u00ed\u010dov\u00fdmi faktory odolnost proti korozi i vysok\u00e1 tepeln\u00e1 odolnost, jako jsou tlumi\u010de hluku, pece\/ran\u017ee\/topn\u00e1 za\u0159\u00edzen\u00ed\/oh\u0159\u00edva\u010de vody\/krby.<\/p>\n
Vzhledem k tomu, \u017ee aluminizovan\u00e1 ocel je spojen\u00edm vlastnost\u00ed oceli a hlin\u00edku, je vynikaj\u00edc\u00ed volbou materi\u00e1lu pro pr\u016fmyslov\u00e9 aplikace vy\u017eaduj\u00edc\u00ed pevnost a odolnost proti korozi. Aluminizovanou ocel lze oh\u00fdbat, sva\u0159ovat, v\u00e1lcovat nebo vlnit a p\u0159itom si zachov\u00e1v\u00e1 tvarovatelnost i p\u0159i vystaven\u00ed vysok\u00fdm teplot\u00e1m. Nav\u00edc jej\u00ed hlin\u00edko-k\u0159em\u00edkov\u00fd povlak j\u00ed dod\u00e1v\u00e1 v\u00fdjime\u010dnou odolnost proti korozi a teplu, kter\u00e1 zabra\u0148uje dal\u0161\u00ed oxidaci nebo deformaci jej\u00ed z\u00e1kladn\u00ed ocelov\u00e9 vrstvy.<\/p>\n
Krom\u011b toho je aluminizovan\u00fd povlak vysoce odoln\u00fd v\u016f\u010di chemick\u00fdm vliv\u016fm; odol\u00e1v\u00e1 vysok\u00fdm koncentrac\u00edm kyseliny s\u00edrov\u00e9, fosfore\u010dn\u00e9 a sodn\u00e9 louhy, ani\u017e by do\u0161lo ke korozi nebo lept\u00e1n\u00ed - d\u00edky tomu je aluminizovan\u00e1 ocel ide\u00e1ln\u00ed volbou pro automobilov\u00e9, komer\u010dn\u00ed a pr\u016fmyslov\u00e9 aplikace, kter\u00e9 pravideln\u011b p\u0159ich\u00e1zej\u00ed do styku s drsn\u00fdmi chemik\u00e1liemi a vysok\u00fdmi teplotami. Krom\u011b toho je aluminizovan\u00e1 ocel \u00fa\u010dinnou n\u00e1dobou na pitnou vodu, proto\u017ee sn\u00e1\u0161\u00ed vy\u0161\u0161\u00ed koncentrace chl\u00f3ru, ani\u017e by se \u010dasem znehodnotila.<\/p>","protected":false},"excerpt":{"rendered":"
Steel and aluminum may seem like two unlikely pairings, but their combination produces an ideal composite material when combined. Aluminized […]<\/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":[6],"tags":[],"class_list":["post-38","post","type-post","status-publish","format-standard","hentry","category-alumina-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/posts\/38","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=38"}],"version-history":[{"count":1,"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/posts\/38\/revisions"}],"predecessor-version":[{"id":39,"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/posts\/38\/revisions\/39"}],"wp:attachment":[{"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/media?parent=38"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/categories?post=38"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/tags?post=38"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}