{"id":106,"date":"2024-04-08T11:43:06","date_gmt":"2024-04-08T03:43:06","guid":{"rendered":"http:\/\/siliconcarbideceramic.net\/?p=106"},"modified":"2024-04-08T11:43:07","modified_gmt":"2024-04-08T03:43:07","slug":"a-szilicium-karbid-szalak-piaca","status":"publish","type":"post","link":"https:\/\/siliconcarbideceramic.net\/hu\/the-silicon-carbide-fiber-market\/","title":{"rendered":"A szil\u00edcium-karbid sz\u00e1lak piaca"},"content":{"rendered":"<p>Form\u00e1ja alapj\u00e1n a szil\u00edciumkarbid sz\u00e1lak piaca folyamatos \u00e9s sz\u00f6v\u00f6tt szil\u00edciumkarbid sz\u00e1las term\u00e9kekre oszthat\u00f3. A megn\u00f6vekedett ipari termel\u00e9s a rep\u00fcl\u0151g\u00e9pipar \u00e9s a v\u00e9delmi \u00e1gazat, valamint a folyamatos szil\u00edciumkarbidsz\u00e1lakat az atomreaktorok l\u00e9trehoz\u00e1s\u00e1hoz haszn\u00e1l\u00f3 energiaipar f\u0151 hajt\u00f3ereje.<\/p>\n<h2>Magas h\u0151m\u00e9rs\u00e9kletnek ellen\u00e1ll\u00f3<\/h2>\n<p>A szil\u00edciumkarbid sz\u00e1lak magas h\u0151m\u00e9rs\u00e9kleti ellen\u00e1ll\u00e1sa miatt kiv\u00e1l\u00f3 er\u0151s\u00edt\u0151anyagk\u00e9nt szolg\u00e1lnak f\u00e9mekhez \u00e9s m\u0171anyagokhoz, \u00e9s nagy szak\u00edt\u00f3szil\u00e1rds\u00e1g\u00fa \u00e9s rugalmass\u00e1gi modulus\u00fa kompozitokat eredm\u00e9nyeznek. Ezenk\u00edv\u00fcl a szil\u00edciumkarbid sz\u00e1lelektr\u00f3d\u00e1kat sz\u00e9les k\u00f6rben haszn\u00e1lj\u00e1k kemenc\u00e9kben \u00e9s indukci\u00f3s t\u0171zhelyeken ipari f\u0171t\u0151forr\u00e1sk\u00e9nt; emellett nitrog\u00e9n, foszfor, alum\u00ednium vagy gallium adal\u00e9kanyagokkal adal\u00e9kolhat\u00f3 n-t\u00edpus\u00fa \u00e9s p-t\u00edpus\u00fa f\u00e9lvezet\u0151k el\u0151\u00e1ll\u00edt\u00e1s\u00e1hoz.<\/p>\n<p>A szil\u00edciumkarbid j\u00f3l b\u00edrja a magas h\u0151m\u00e9rs\u00e9kletet, mik\u00f6zben k\u00e9miailag stabil \u00e9s m\u00e9retstabil, ami kiv\u00e1l\u00f3 anyagv\u00e1laszt\u00e1ss\u00e1 teszi a f\u00e9lvezet\u0151 kemenc\u00e9kben l\u00e9v\u0151 ostyatart\u00f3k \u00e9s lap\u00e1tok sz\u00e1m\u00e1ra, valamint kemenceb\u00e9l\u00e9sk\u00e9nt, kop\u00f3lemezk\u00e9nt \u00e9s b\u00e9l\u00e9scs\u0151k\u00e9nt haszn\u00e1lj\u00e1k az elektronikai gy\u00e1rt\u00f3\u00fczemekben.<\/p>\n<p>A nukle\u00e1ris l\u00e9tes\u00edtm\u00e9nyek \u00e9p\u00edt\u00e9se mind a fejlett, mind a fejl\u0151d\u0151 orsz\u00e1gokban gyorsan halad, ami n\u00f6velheti a szil\u00edciumkarbid sz\u00e1las szigetel\u0151anyagokat tartalmaz\u00f3 energia- \u00e9s energiaipari alkatr\u00e9szek ir\u00e1nti keresletet, p\u00e9ld\u00e1ul az ezeket szigetel\u0151anyagk\u00e9nt sz\u00e9les k\u00f6rben haszn\u00e1l\u00f3 er\u0151m\u0171vi reaktorokban.<\/p>\n<p>A magas h\u0151m\u00e9rs\u00e9kletnek ellen\u00e1ll\u00f3 szil\u00edciumkarbid sz\u00e1lak el\u0151\u00e1ll\u00edt\u00e1s\u00e1nak m\u00f3dszerei h\u00e1rom l\u00e9p\u00e9sb\u0151l \u00e1llnak: prekurzor sz\u00e1lak el\u0151\u00e1ll\u00edt\u00e1sa polikarboszil\u00e1n olvad\u00e9kfon\u00e1ssal, e prekurzor sz\u00e1lak reakci\u00f3monomerekbe val\u00f3 \u00e1ztat\u00e1sa \u00e9s kikem\u00e9ny\u00edt\u00e9se a t\u00e9rh\u00e1l\u00f3s\u00edt\u00f3 r\u00e9teg vastags\u00e1ga \u00e9s a sz\u00e1lak \u00e1tm\u00e9r\u0151je k\u00f6z\u00f6tti ide\u00e1lis, 0,1-0,99 %-os ar\u00e1ny el\u00e9r\u00e9se \u00e9rdek\u00e9ben, v\u00e9g\u00fcl inert g\u00e1z alatt t\u00f6rt\u00e9n\u0151 krakkol\u00e1s, hogy olyan SiC sz\u00e1lakat kapjunk, amelyek kiv\u00e1l\u00f3 h\u0151m\u00e9rs\u00e9klet-ellen\u00e1ll\u00e1st, valamint cs\u00f6kkentett gy\u00e1rt\u00e1si k\u00f6lts\u00e9geket \u00e9s megfelel\u0151 hajl\u00edt\u00e1si tulajdons\u00e1gokat biztos\u00edtanak. A v\u00e9gterm\u00e9kek kiv\u00e1l\u00f3 magas h\u0151m\u00e9rs\u00e9kleti ellen\u00e1ll\u00e1ssal, alacsony gy\u00e1rt\u00e1si k\u00f6lts\u00e9gekkel \u00e9s az alkalmaz\u00e1sukhoz megfelel\u0151 hajl\u00edt\u00e1si tulajdons\u00e1gokkal rendelkeznek.<\/p>\n<h2>Meger\u0151s\u00edt\u0151 anyag<\/h2>\n<p>A szil\u00edcium-karbid sz\u00e1lakat ker\u00e1mia m\u00e1trix\u00fa kompozitokban (CMC) er\u0151s\u00edt\u0151anyagk\u00e9nt haszn\u00e1lj\u00e1k. Tulajdons\u00e1gai alkalmass\u00e1 teszik sz\u00e1mos energiaipari alkalmaz\u00e1sban, p\u00e9ld\u00e1ul sz\u00e9ner\u0151m\u0171vekben \u00e9s atomreaktorokban, valamint h\u0151\u00e1ll\u00f3 f\u00fcgg\u00f6ny\u00f6kben \u00e9s \u00f6vekben val\u00f3 felhaszn\u00e1l\u00e1sra. A szil\u00edcium-karbidsz\u00e1lak magas h\u0151m\u00e9rs\u00e9kletekkel szembeni ellen\u00e1ll\u00f3k\u00e9pess\u00e9ge \u00e9s tart\u00f3ss\u00e1ga miatt kiv\u00e1l\u00f3 v\u00e1laszt\u00e1s a CMC er\u0151s\u00edt\u0151anyagok, p\u00e9ld\u00e1ul h\u0151\u00e1ll\u00f3 f\u00fcgg\u00f6ny\u00f6k vagy \u00f6vek \u00f6sszetev\u0151jek\u00e9nt.<\/p>\n<p>2008 \u00f3ta jelent\u0151s el\u0151rel\u00e9p\u00e9sek t\u00f6rt\u00e9ntek a szil\u00edciumkarbid sz\u00e1lgy\u00e1rt\u00e1si technik\u00e1k ter\u00e9n, ami k\u00f6zel szt\u00f6chiometrikus, kis \u00e1tm\u00e9r\u0151j\u0171 sz\u00e1lak el\u0151\u00e1ll\u00edt\u00e1s\u00e1hoz vezetett, amelyek tulajdons\u00e1gai a legt\u00f6bb ker\u00e1mia m\u00e1trix\u00fa kompozit (CMC) \u00e9s nukle\u00e1ris alkalmaz\u00e1shoz megfelel\u0151ek. Sajnos a gy\u00e1rt\u00e1si k\u00f6lts\u00e9gek m\u00e9g mindig korl\u00e1tozz\u00e1k a felhaszn\u00e1l\u00e1sukat.<\/p>\n<p>A szil\u00edciumkarbid sz\u00e1lak ir\u00e1nti kereslet \u00c9szak-Amerik\u00e1ban gyorsan n\u00f6vekszik a rep\u00fcl\u0151g\u00e9pipar \u00e9s a hadiipar b\u0151v\u00fcl\u00e9s\u00e9vel, amit az er\u0151s kereskedelmi rep\u00fcl\u0151g\u00e9pek ir\u00e1nti kereslet, valamint a r\u00e9gi\u00f3 n\u00f6vekv\u0151 v\u00e9delmi kiad\u00e1sai \u00f6szt\u00f6n\u00f6znek. A megn\u00f6vekedett kiad\u00e1soknak a szil\u00edciumkarbid sz\u00e1ler\u0151s\u00edt\u00e9ssel er\u0151s\u00edtett hibrid alum\u00ednium-f\u00e9m m\u00e1trix\u00fa kompozitok n\u00f6veked\u00e9s\u00e9t kell t\u00e1pl\u00e1lniuk.<\/p>\n<p>A szil\u00edciumkarbid sz\u00e1lak glob\u00e1lis piaca forma \u00e9s alkalmaz\u00e1s szerint oszthat\u00f3 fel. A folytonos szil\u00edciumkarbid sz\u00e1lak tartj\u00e1k a legnagyobb piaci r\u00e9szesed\u00e9st 2023-ban, \u00e9s az el\u0151rejelz\u00e9sek szerint 2024-2030 k\u00f6z\u00f6tt v\u00e1rhat\u00f3an 35,9% \u00e9ves \u00f6sszetett \u00e9ves n\u00f6veked\u00e9si \u00fctem\u0171 \u00f6sszetett \u00e9ves n\u00f6veked\u00e9st fognak tapasztalni. Ezek a k\u00f6nnyen megmunk\u00e1lhat\u00f3 sz\u00e1lak k\u00f6nnyen be\u00e9p\u00edthet\u0151k \u00f6sszetett alak\u00fa alkatr\u00e9szekbe, m\u00edg sug\u00e1rz\u00e1s\u00e1ll\u00f3 jelleg\u00fck az atomenergia-termel\u0151 ipar\u00e1gak figyelm\u00e9t is felkeltik.<\/p>\n<h2>F\u00e9m m\u00e1trix\u00fa kompozitok<\/h2>\n<p>A szil\u00edciumkarbid sz\u00e1lak a rep\u00fcl\u0151g\u00e9p-hajt\u00f3m\u0171vek s\u00faly\u00e1nak \u00e9s k\u00f6lts\u00e9geinek cs\u00f6kkent\u00e9s\u00e9vel seg\u00edthetnek a felhaszn\u00e1lt s\u00falyt hordoz\u00f3 anyagok cs\u00f6kkent\u00e9s\u00e9ben. El\u0151\u00e1ll\u00edt\u00e1sa azonban sz\u00e1mos kih\u00edv\u00e1st jelent; p\u00e9ld\u00e1ul azt, hogy k\u00e9pes legyen elviselni a magas h\u0151m\u00e9rs\u00e9kletet reped\u00e9s n\u00e9lk\u00fcl; valamint azt, hogy anyagai korr\u00f3zi\u00f3- \u00e9s f\u00e1rad\u00e1s\u00e1ll\u00f3s\u00e1gi tulajdons\u00e1gokkal rendelkezzenek.<\/p>\n<p>A kompozitok jav\u00edt\u00e1s\u00e1nak egyik lehet\u0151s\u00e9ge olyan \u00faj f\u00e9mek l\u00e9trehoz\u00e1sa lenne, amelyek jobban illeszkednek az er\u0151s\u00edt\u0151anyagok \u00e9s az er\u0151s\u00edt\u0151f\u00e9mek k\u00f6z\u00f6tt, ami er\u0151sebb \u00e9s tart\u00f3sabb kompozitokat eredm\u00e9nyezne. Egy m\u00e1sik megk\u00f6zel\u00edt\u00e9s olyan ker\u00e1miam\u00e1trixok alkalmaz\u00e1sa lehet, amelyek k\u00f6nnyebb\u00e9 teszik a kompozitokat, ugyanakkor lehet\u0151v\u00e9 teszik a sz\u00e1lak k\u00fcl\u00f6nb\u00f6z\u0151 form\u00e1kba val\u00f3 alak\u00edt\u00e1s\u00e1t.<\/p>\n<p>A sug\u00e1rhajt\u00f3m\u0171vek alkatr\u00e9szeihez gy\u00e1rtott, b\u00f3rsz\u00e1llal er\u0151s\u00edtett alum\u00ednium m\u00e1trix\u00fa kompozitok el\u0151nye, hogy k\u00e9tszer er\u0151sebbek \u00e9s h\u0151\u00e1ll\u00f3bbak, mint a nikkelalap\u00fa \u00f6tv\u00f6zetek, de el\u0151\u00e1ll\u00edt\u00e1suk kil\u00f3nk\u00e9nt k\u00f6r\u00fclbel\u00fcl $100-zal kevesebbe ker\u00fcl - ami jelent\u0151s javul\u00e1st jelent a hagyom\u00e1nyos nikkel\u00f6tv\u00f6zetekhez k\u00e9pest, amelyek jelenleg a legt\u00f6bb rep\u00fcl\u0151g\u00e9p-alkatr\u00e9szn\u00e9l szabv\u00e1nyosak.<\/p>\n<p>A b\u00f3rral er\u0151s\u00edtett f\u00e9mm\u00e1trix\u00fa kompozitok l\u00e9trehoz\u00e1s\u00e1hoz a szil\u00edciumkarbid sz\u00e1lakat el\u0151sz\u00f6r f\u00e9mmel kell bevonni, hogy jav\u00edts\u00e1k a m\u00e1trixf\u00e9mmel val\u00f3 nedves\u00edthet\u0151s\u00e9g\u00fcket, majd halmozni kell \u0151ket, \u00e9s nyom\u00e1s alatt kell meleg\u00edteni, miel\u0151tt az egyes halmok k\u00f6z\u00e9 t\u00f6ltik \u0151ket szerves k\u00f6t\u0151anyaggal kevert m\u00e1trixf\u00e9mporral.<\/p>\n<h2>Alkalmaz\u00e1sok<\/h2>\n<p>A szil\u00edcium-karbid sz\u00e1l a t\u0171z\u00e1ll\u00f3 anyagok egyik form\u00e1ja, amelyet sz\u00e1mos alkalmaz\u00e1sban haszn\u00e1lnak, t\u00f6bbek k\u00f6z\u00f6tt a sug\u00e1rhajt\u00f3m\u0171vek \u00e9s ker\u00e1mia m\u00e1trix\u00fa kompozitok h\u0151\u00e1ll\u00f3 anyagai, a magas h\u0151m\u00e9rs\u00e9klet\u0171 \u00f6vek \u00e9s sz\u0171r\u0151sz\u00f6vetek er\u0151s\u00edt\u0151anyaga, a magas h\u0151m\u00e9rs\u00e9klet\u0171 g\u00e1zok vagy f\u00e9mek sz\u0171r\u00e9se sz\u0171r\u0151sz\u00f6veten kereszt\u00fcl, valamint a szil\u00edcium-karbiddal er\u0151s\u00edtett f\u00e9mm\u00e1trix\u00fa kompozitok kulcsfontoss\u00e1g\u00fa \u00f6sszetev\u0151je - ezek az alkalmaz\u00e1sok jelent\u0151sen hozz\u00e1j\u00e1rulnak a piac bev\u00e9tel\u00e9nek n\u00f6veked\u00e9s\u00e9hez.<\/p>\n<p>2024-re a sz\u0151tt szil\u00edciumkarbid sz\u00e1lak val\u00f3sz\u00edn\u0171leg uralni fogj\u00e1k a glob\u00e1lis piacot kiv\u00e1l\u00f3 mechanikai tulajdons\u00e1gai \u00e9s gy\u00e1rt\u00e1si rugalmass\u00e1ga miatt. A sz\u0151tt szil\u00edcium-karbid sz\u00e1lak k\u00f6nnyen belesz\u00f6v\u0151dhetnek k\u00fcl\u00f6nb\u00f6z\u0151 szerkezetekbe, p\u00e9ld\u00e1ul t\u00f6ml\u0151kbe, cs\u00f6vekbe vagy zs\u00e1kokba, \u00e9s kiv\u00e1l\u00f3 kop\u00e1s\u00e1ll\u00f3s\u00e1ggal rendelkeznek, ami a legjobb v\u00e1laszt\u00e1ss\u00e1 teszi az aut\u00f3ipari alkatr\u00e9szekhez.<\/p>\n<p>A szil\u00edcium-karbid sz\u00e1lak k\u00e9tszer er\u0151sebb \u00e9s 20% k\u00f6nnyebb, jobb k\u00e9miai stabilit\u00e1ssal, k\u00e9miai tart\u00f3ss\u00e1ggal, h\u0151\u00e1ll\u00f3s\u00e1ggal, h\u0151vezet\u00e9ssel \u00e9s tart\u00f3ss\u00e1ggal fel\u00fclm\u00falj\u00e1k a hagyom\u00e1nyos nikkelalap\u00fa szuper\u00f6tv\u00f6zeteket. Tov\u00e1bb\u00e1, a SiC krist\u00e1lyos szerkezete deform\u00e1ci\u00f3 vagy t\u00f6r\u00e9s n\u00e9lk\u00fcl k\u00e9pes ellen\u00e1llni a magasabb szint\u0171 h\u00faz\u00f3fesz\u00fclts\u00e9gnek.<\/p>\n<p>Az American Elements a fejlett anyagok leny\u0171g\u00f6z\u0151 v\u00e1laszt\u00e9k\u00e1t k\u00edn\u00e1lja az Egyes\u00fclt \u00c1llamokban a rep\u00fcl\u0151g\u00e9pipar \u00e9s az elektronika sz\u00e1m\u00e1ra. Ezek k\u00f6z\u00e9 tartozik a COI Ceramics Inc. \u00e1ltal gy\u00e1rtott \u00e9s 3 h\u00fcvelykes kartontekercsekre csomagolt Sylramic SiC sz\u00e1lak; az egyedi vev\u0151i ig\u00e9nyeknek megfelel\u0151en t\u00f6bbf\u00e9le sz\u00f6v\u00e9smint\u00e1zatban sz\u0151het\u0151 vagy szalagozhat\u00f3; emellett t\u00f6bbf\u00e9le m\u00e9retben \u00e9s hossz\u00fas\u00e1gban kaphat\u00f3 a v\u00e9gs\u0151 rugalmass\u00e1g \u00e9rdek\u00e9ben.<\/p>","protected":false},"excerpt":{"rendered":"<p>Based on its form, the silicon carbide fiber market can be divided into continuous and woven silicon carbide fiber products. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","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":[3],"tags":[],"class_list":["post-106","post","type-post","status-publish","format-standard","hentry","category-sic-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/posts\/106","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/comments?post=106"}],"version-history":[{"count":1,"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/posts\/106\/revisions"}],"predecessor-version":[{"id":107,"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/posts\/106\/revisions\/107"}],"wp:attachment":[{"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/media?parent=106"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/categories?post=106"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/tags?post=106"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}