S\u00fa\u010diastky z karbidu krem\u00edka (SiC) zohr\u00e1vaj\u00fa k\u013e\u00fa\u010dov\u00fa \u00falohu v odvetviach, ktor\u00e9 vy\u017eaduj\u00fa v\u00fdnimo\u010dn\u00fa ohybov\u00fa pevnos\u0165 a kon\u0161truk\u010dn\u00fa integritu, ako s\u00fa napr\u00edklad rezn\u00e9 n\u00e1stroje pou\u017e\u00edvan\u00e9 v procesoch obr\u00e1bania alebo tesnenia vystaven\u00e9 abraz\u00edvnym materi\u00e1lom. Diely z SiC nach\u00e1dzaj\u00fa \u0161irok\u00e9 uplatnenie v r\u00f4znych odvetviach, vr\u00e1tane procesov v\u00fdroby rezn\u00fdch n\u00e1strojov, ako aj tesnen\u00ed vystaven\u00fdch n\u00e1ro\u010dn\u00fdm podmienkam, napr\u00edklad tesnen\u00ed a lo\u017e\u00edsk vystaven\u00fdch agres\u00edvnym materi\u00e1lom.<\/p>\n
Ty\u010de z oxidu hlinit\u00e9ho s\u00fa chemicky inertn\u00e9 a vyzna\u010duj\u00fa sa vysokou odolnos\u0165ou vo\u010di r\u00f4znym koroz\u00edvnym chemik\u00e1li\u00e1m, v\u010faka \u010domu s\u00fa ide\u00e1lne na pou\u017eitie ako reak\u010dn\u00e9 n\u00e1doby a t\u00e9gliky, ako aj ako neoddelite\u013en\u00e1 s\u00fa\u010das\u0165 procesov charakteriz\u00e1cie materi\u00e1lov.<\/p>\n
Pevnos\u0165 v ohybe je k\u013e\u00fa\u010dov\u00fd parameter, ktor\u00fd poskytuje inform\u00e1cie o nosnosti materi\u00e1lov. Hoci je podobn\u00e1 pevnosti v \u0165ahu, jej merania sa priamo vz\u0165ahuj\u00fa na ohybov\u00e9 sily. Pri trojbodovej sk\u00fa\u0161ke ohybu sa pevnos\u0165 v ohybe stanovuje meran\u00edm za\u0165a\u017eenia pri medze te\u010dnosti (deform\u00e1cia vzorky alebo pretvorenie 5%). Toto za\u0165a\u017eenie pri medze te\u010dnosti ur\u010duje hodnotu pevnosti v ohybe.<\/p>\n
Ohybov\u00e1 pevnos\u0165 materi\u00e1lov \u010dasto prevy\u0161uje ich pevnos\u0165 v \u0165ahu, preto\u017ee ohybov\u00e9 sily s\u00fastre\u010fuj\u00fa nap\u00e4tie na ich koncoch, \u010do znamen\u00e1, \u017ee len pevn\u00e9 vl\u00e1kna dok\u00e1\u017eu odol\u00e1va\u0165 ohybu bez toho, aby do\u0161lo k poruche hne\u010f, ako nap\u00e4tie dosiahne svoju hrani\u010dn\u00fa hodnotu.<\/p>\n
Pri vykurovac\u00edch ty\u010diach z karbidu krem\u00edka je mo\u017en\u00e9 vyu\u017ei\u0165 technol\u00f3gie adit\u00edvnej v\u00fdroby, ako s\u00fa pokro\u010dil\u00e9 kompozity a technol\u00f3gia 3D tla\u010de, na zv\u00fd\u0161enie ich ohybovej pevnosti. Tieto technol\u00f3gie umo\u017e\u0148uj\u00fa presn\u00e9 riadenie rozlo\u017eenia v\u00fdstu\u017ee a orient\u00e1cie kon\u0161trukcie \u2013 k\u013e\u00fa\u010dov\u00e9 faktory pri zvy\u0161ovan\u00ed izotropnej ohybovej pevnosti materi\u00e1lu. Okrem toho udr\u017eiavanie prostredia s kon\u0161tantnou teplotou po\u010das dlhodob\u00e9ho pou\u017e\u00edvania tie\u017e prispieva k zlep\u0161eniu tejto vlastnosti t\u00fdchto vykurovac\u00edch prvkov.<\/p>\n
V\u010faka svojej pevnosti a \u0161truktur\u00e1lnej integrite je karbid krem\u00edka ide\u00e1lnym materi\u00e1lom pre aplik\u00e1cie, ktor\u00e9 vy\u017eaduj\u00fa vysok\u00fa teplotn\u00fa odolnos\u0165 v n\u00e1ro\u010dn\u00fdch podmienkach, \u010do z neho rob\u00ed nevyhnutn\u00fd materi\u00e1l v leteckom priemysle aj pri v\u00fdrobe polovodi\u010dov. S\u00fa\u010diastky z karbidu krem\u00edka tie\u017e zohr\u00e1vaj\u00fa k\u013e\u00fa\u010dov\u00fa \u00falohu pri udr\u017eiavan\u00ed presn\u00e9ho vyrovnania pri zv\u00e1ran\u00ed.<\/p>\n
SiC je zn\u00e1my svojou odolnos\u0165ou vo\u010di chemik\u00e1li\u00e1m, v\u010faka \u010domu je ide\u00e1lny pre zariadenia na chemick\u00e9 spracovanie. V\u010faka svojej odolnosti vydr\u017e\u00ed aj v n\u00e1ro\u010dn\u00fdch koroz\u00edvnych prostrediach, ktor\u00e9 by in\u00e9 kovy zni\u010dili alebo nen\u00e1vratne po\u0161kodili.<\/p>\n
Prvky Silcarb Alpha Rod v tvare p\u00edsmena U je mo\u017en\u00e9 in\u0161talova\u0165 bu\u010f horizont\u00e1lne, alebo vertik\u00e1lne a s\u00fa vybaven\u00e9 strednou vykurovacou \u010das\u0165ou (tzv. hor\u00facou z\u00f3nou) a dvoma koncov\u00fdmi \u010das\u0165ami (tzv. studen\u00fdmi koncami), ktor\u00e9 maj\u00fa identick\u00fd odpor. Ke\u010f\u017ee sa ich odpor v priebehu \u010dasu postupne zvy\u0161uje v d\u00f4sledku pou\u017e\u00edvania a vystavenia teplotn\u00fdm zmen\u00e1m \u010di zmen\u00e1m atmosf\u00e9rick\u00fdch podmienok, je potrebn\u00e9 zabezpe\u010di\u0165 ich optim\u00e1lny v\u00fdkon. Preto by sa pri k\u00fape mal ka\u017ed\u00fd prvok pred n\u00e1kupom starostlivo pos\u00fadi\u0165.<\/p>\n
Ty\u010de z karbidu krem\u00edka s\u00fa v\u0161eobecne zn\u00e1me svojou mimoriadnou tvrdos\u0165ou a odolnos\u0165ou proti opotrebeniu, v\u010faka \u010domu dok\u00e1\u017eu odol\u00e1va\u0165 priemyseln\u00fdm procesom bez straty svojej integrity. Ich pevnos\u0165 a tepeln\u00e1 stabilita im tie\u017e umo\u017e\u0148uj\u00fa sl\u00fa\u017ei\u0165 ako polohovacie kol\u00edky pri zv\u00e1ran\u00ed; t\u00fdm sa zabra\u0148uje deform\u00e1cii alebo skr\u00fateniu pod vplyvom tepla, \u010do zaru\u010duje optim\u00e1lne presn\u00e9 vyrovnanie po\u010das tohto k\u013e\u00fa\u010dov\u00e9ho procesu.<\/p>\n
Ty\u010de z karbidu krem\u00edka pon\u00fakaj\u00fa vy\u0161\u0161iu odolnos\u0165 vo\u010di chemick\u00fdm vplyvom a tepeln\u00fdm \u0161okom, \u010d\u00edm sa predl\u017euje ich \u017eivotnos\u0165 a zni\u017euje frekvencia v\u00fdmeny, \u010do vedie k zv\u00fd\u0161eniu efekt\u00edvnosti a zn\u00ed\u017eeniu n\u00e1kladov.<\/p>\n
Vedci z GA-EMS vyu\u017eili svoje rozsiahle odborn\u00e9 znalosti v oblasti karbidu krem\u00edka na v\u00fdvoj \u0161pi\u010dkov\u00e9ho kompozitn\u00e9ho materi\u00e1lu na b\u00e1ze SiC ur\u010den\u00e9ho na pou\u017eitie v pl\u00e1\u0161\u0165och jadrov\u00e9ho paliva. Tento materi\u00e1l dok\u00e1\u017ee odol\u00e1va\u0165 teplot\u00e1m, ktor\u00e9 v\u00fdrazne presahuj\u00fa teploty, s ktor\u00fdmi sa stret\u00e1vaj\u00fa tradi\u010dn\u00e9 kovov\u00e9 prvky, a zvy\u0161uje bezpe\u010dnos\u0165 reaktora, pri\u010dom je odolnej\u0161\u00ed vo\u010di chemick\u00e9mu p\u00f4sobeniu, \u010d\u00edm sa predl\u017euje jeho \u017eivotnos\u0165.<\/p>\n
Ty\u010de z karbidu krem\u00edka sa vyzna\u010duj\u00fa v\u00fdnimo\u010dnou tepelnou stabilitou a odolnos\u0165ou pri zv\u00fd\u0161en\u00fdch teplot\u00e1ch a poskytuj\u00fa vynikaj\u00facu elektrick\u00fa izol\u00e1ciu, \u010d\u00edm zabra\u0148uj\u00fa \u00faniku pr\u00fadu a z\u00e1rove\u0148 zaru\u010duj\u00fa bezpe\u010dn\u00fa prev\u00e1dzku elektrick\u00fdch komponentov.<\/p>\n
Tieto ty\u010de sa v\u010faka svojej kry\u0161talickej \u0161trukt\u00fare vyzna\u010duj\u00fa n\u00edzkym koeficientom roz\u0165a\u017enosti, vysokou tepelnou vodivos\u0165ou a odolnos\u0165ou vo\u010di tepeln\u00fdm \u0161okom, v\u010faka \u010domu s\u00fa vhodn\u00e9 na pou\u017eitie v chemickom, keramickom a skl\u00e1rskom priemysle.<\/p>\n
Kompozity SiC-SiC ur\u010den\u00e9 pre jadrov\u00e9 \u00fa\u010dely predstavuj\u00fa vynikaj\u00facu vo\u013ebu pre jadrov\u00e9 aplik\u00e1cie. Medzi ich vlastnosti patria vysok\u00e1 pevnos\u0165 v \u0165ahu presahuj\u00faca 3 GPa, vysok\u00e9 hodnoty Youngovho modulu a hust\u00e9 matri\u010dn\u00e9 \u0161trukt\u00fary s medzif\u00e1zov\u00fdmi povlakmi z PyC, ktor\u00e9 zvy\u0161uj\u00fa adh\u00e9ziu medzi v\u00fdstu\u017en\u00fdmi vl\u00e1knami a matri\u010dn\u00fdmi \u0161trukt\u00farami.<\/p>\n
Vykurovacie prvky z SiC pon\u00fakaj\u00fa univerz\u00e1lne rie\u0161enia pre priemyseln\u00e9 aplik\u00e1cie v r\u00f4znych odvetviach. Od rovnomern\u00e9ho rozlo\u017eenia tepla vo ve\u013ek\u00fdch peciach s typom SC a\u017e po presn\u00fa regul\u00e1ciu teploty vo high-tech v\u00fdrobe s produktmi typu SCR \u2013 tieto zariadenia poskytuj\u00fa bezkonkuren\u010dn\u00fa univerz\u00e1lnos\u0165.<\/p>","protected":false},"excerpt":{"rendered":"
Silicon Carbide Rods Offer High Strength Solutions for Industrial Applications Silicon carbide (SiC) parts play an integral part in industries requiring exceptional Flexural Strength and Structural Integrity Properties, such as cutting tools used in machining processes or seals exposed to abrasive materials. SiC parts find extensive use across a range of industries including cutting tool […]<\/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":[66],"tags":[],"class_list":["post-687","post","type-post","status-publish","format-standard","hentry","category-products"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/posts\/687","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/comments?post=687"}],"version-history":[{"count":1,"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/posts\/687\/revisions"}],"predecessor-version":[{"id":688,"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/posts\/687\/revisions\/688"}],"wp:attachment":[{"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/media?parent=687"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/categories?post=687"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/tags?post=687"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}