A szil\u00edcium-karbid lemez egy rendk\u00edv\u00fcl kem\u00e9ny \u00e9s s\u0171r\u0171 ker\u00e1miaanyag, amely nagyszer\u0171 korr\u00f3zi\u00f3v\u00e9delmet ny\u00fajt a savakkal \u00e9s a magas h\u0151m\u00e9rs\u00e9kletekkel szemben, valamint merevs\u00e9get \u00e9s alacsony h\u0151t\u00e1gul\u00e1st biztos\u00edt, \u00edgy kiv\u00e1l\u00f3 anyagv\u00e1laszt\u00e1s a nagy t\u00e1vcs\u00f6vek t\u00fckreinek.<\/p>\n
A Saint-Gobain a szil\u00edciumkarbid term\u00e9kek leny\u0171g\u00f6z\u0151 v\u00e1laszt\u00e9k\u00e1t k\u00edn\u00e1lja, bele\u00e9rtve a nitridk\u00f6t\u00e9s\u0171, reakci\u00f3k\u00f6t\u00e9s\u0171 \u00e9s szinterezett szil\u00edciumkarbid lemezeket. Mindezek a teljesen s\u0171r\u00edtett ker\u00e1mi\u00e1k kiv\u00e1l\u00f3 fizikai \u00e9s k\u00e9miai tulajdons\u00e1gokkal rendelkeznek a sz\u00e9ls\u0151s\u00e9ges v\u00e9gfelhaszn\u00e1l\u00f3i alkalmaz\u00e1sokban val\u00f3 felhaszn\u00e1l\u00e1shoz.<\/p>\n
A szil\u00edcium-karbid ker\u00e1miaanyag kiv\u00e1l\u00f3 tribol\u00f3giai \u00e9s korr\u00f3zi\u00f3s tulajdons\u00e1gai miatt sz\u00e1mos alkalmaz\u00e1ssal rendelkezik, p\u00e9ld\u00e1ul t\u00f6m\u00edt\u00e9sek, mechanikus csap\u00e1gyak \u00e9s forr\u00f3 g\u00e1z- vagy olvadt f\u00e9msz\u0171r\u0151k. Ezenk\u00edv\u00fcl a korr\u00f3zi\u00f3\u00e1ll\u00f3s\u00e1ga is nagy \u00e9rdekl\u0151d\u00e9sre tart sz\u00e1mot, \u00e9s ez vezetett a SiC-ker\u00e1mi\u00e1val kapcsolatos jelent\u0151s kutat\u00e1sokhoz magas h\u0151m\u00e9rs\u00e9kleten.<\/p>\n
Az oxidk\u00f6t\u00e9s\u0171 szil\u00edciumkarbid lemez kiemelkedik kiv\u00e9teles korr\u00f3zi\u00f3\u00e1ll\u00f3s\u00e1g\u00e1val, amit az bizony\u00edt, hogy m\u00e9g jelent\u0151s mennyis\u00e9g\u0171 s\u00f3t tartalmaz\u00f3 k\u00f6rnyezetben sem hatol be m\u00e9lyen a korr\u00f3zi\u00f3 (l\u00e1sd az 1. mint\u00e1t a 7. \u00e1br\u00e1n). Mivel a korr\u00f3zi\u00f3\u00e1ll\u00f3s\u00e1got legink\u00e1bb a korr\u00f3zi\u00f3s vizsg\u00e1latok sor\u00e1n haszn\u00e1lt szil\u00edciumkarbid nyersanyagok szennyez\u0151d\u00e9seinek elk\u00fcl\u00f6n\u00edt\u00e9s\u00e9vel hat\u00e1rozz\u00e1k meg, a tiszta \u00e9s j\u00f3l ellen\u0151rz\u00f6tt szil\u00edciumkarbid nyersanyagok haszn\u00e1lata biztos\u00edtja a kem\u00e9ny korr\u00f3zi\u00f3s k\u00f6rnyezetben ny\u00fajtott teljes\u00edtm\u00e9ny pontos \u00e9rt\u00e9kel\u00e9s\u00e9t.<\/p>\n
A szil\u00edciumkarbid (k\u00f6zismert nev\u00e9n karborundum) szil\u00edciumb\u00f3l \u00e9s sz\u00e9nb\u0151l \u00e1ll\u00f3 k\u00e9miai vegy\u00fclet. B\u00e1r a term\u00e9szetben moissanit \u00e1sv\u00e1nyk\u00e9nt fordul el\u0151, nagy\u00fczemi gy\u00e1rt\u00e1sa 1893-ban kezd\u0151d\u00f6tt meg csiszol\u00f3anyagk\u00e9nt \u00e9s elektronikus eszk\u00f6zalkatr\u00e9szk\u00e9nt, valamint ker\u00e1mia goly\u00f3\u00e1ll\u00f3 mell\u00e9nylemezk\u00e9nt val\u00f3 felhaszn\u00e1l\u00e1sra.<\/p>\n
A Saint-Gobain t\u0171z\u00e1ll\u00f3 ker\u00e1mi\u00e1k ellen\u00e1llnak a magas h\u0151m\u00e9rs\u00e9kletnek \u00e9s nyom\u00e1snak, ami alkalmass\u00e1 teszi \u0151ket a jelenlegi \u00e9s a j\u00f6v\u0151beni ballisztikus fenyeget\u00e9sek elleni v\u00e9delemre tervezett kompozit p\u00e1nc\u00e9lrendszerek sz\u00e1m\u00e1ra.<\/p>\n
Az oxidk\u00f6t\u00e9s\u0171 SiC lemezek SIC szemcs\u00e9kb\u0151l \u00e1llnak, amelyek bizonyos k\u00f6t\u0151elemekkel, p\u00e9ld\u00e1ul SiO2-vel vannak \u00f6sszek\u00f6tve, hogy n\u00f6velj\u00e9k a terhel\u00e9s l\u00e1gyul\u00e1si h\u0151m\u00e9rs\u00e9klet\u00e9t, az antioxid\u00e1ci\u00f3t \u00e9s a termikus stabilit\u00e1st. Sz\u00e9les k\u00f6rben felhaszn\u00e1lhat\u00f3k a napi ker\u00e1mia kemenc\u00e9ben, az eg\u00e9szs\u00e9g\u00fcgyi ker\u00e1mia kemenc\u00e9ben, a nagyolvaszt\u00f3 kemence b\u00e9l\u00e9s \u00e9s a sz\u00ednesf\u00e9m olvaszt\u00f3 tart\u00e1ly b\u00e9l\u00e9s alkalmaz\u00e1sokban.<\/p>\n
A szil\u00edciumkarbid Mohs-f\u00e9le kem\u00e9nys\u00e9gi besorol\u00e1sa megk\u00f6zel\u00edti a gy\u00e9m\u00e1nt\u00e9t, \u00edgy ez az egyik legkem\u00e9nyebb szintetikus anyag a F\u00f6ld\u00f6n. Tov\u00e1bb\u00e1 k\u00f6nny\u0171, de er\u0151s kialak\u00edt\u00e1sa lehet\u0151v\u00e9 teszi, hogy ellen\u00e1lljon a legt\u00f6bb ballisztikus fenyeget\u00e9snek, \u00edgy alkalmas testp\u00e1nc\u00e9lokhoz \u00e9s fejlett v\u00e9delmi rendszerekhez.<\/p>\n
A szil\u00edcium-karbid ker\u00e1mi\u00e1k k\u00fcl\u00f6nb\u00f6z\u0151 gy\u00e1rt\u00e1si m\u00f3dokon \u00e1ll\u00edthat\u00f3k el\u0151: a szinterezett SiSiC teljesen s\u0171r\u00edtett anyag, kiv\u00e1l\u00f3 mechanikai \u00e9s k\u00e9miai tulajdons\u00e1gokkal; a reakci\u00f3k\u00f6t\u00e9s\u0171 (SiC\/SiO2) ker\u00e1mia nagy t\u00f6r\u00e9si sz\u00edv\u00f3ss\u00e1ggal rendelkezik, m\u00edg a forr\u00f3n izosztatikusan pr\u00e9selt SiC gyakorlatilag nem zsugorodik \u00e9s kiv\u00e1l\u00f3 tulajdons\u00e1gokkal rendelkezik. A Saint-Gobain k\u00fcl\u00f6nb\u00f6z\u0151 gy\u00e1rt\u00e1si technik\u00e1kat alkalmaz olyan term\u00e9kek el\u0151\u00e1ll\u00edt\u00e1s\u00e1hoz, mint a Hexoloy \u00e9s a DuraShock, amelyek a b\u00f3rkarbid \u00e9s a szil\u00edciumkarbid er\u0151ss\u00e9geit \u00f6tv\u00f6zik, \u00e9s \u00edgy p\u00e1ratlan szint\u0171 v\u00e9delmet ny\u00fajtanak.<\/p>\n
Ezeket a ker\u00e1mi\u00e1kat gondosan csomagolj\u00e1k \u00e9s kezelik, hogy a sz\u00e1ll\u00edt\u00e1s \u00e9s a t\u00e1rol\u00e1s sor\u00e1n ne s\u00e9r\u00fcljenek, \u00e9s meg\u0151rizz\u00e9k \u00e9rintetlen \u00e1llapotukat. Ezenk\u00edv\u00fcl alapos min\u0151s\u00e9gvizsg\u00e1latokon esnek \u00e1t, hogy garant\u00e1lj\u00e1k az \u00e1llagmeg\u00f3v\u00e1st \u00e9s a hossz\u00fa t\u00e1v\u00fa haszn\u00e1latot.<\/p>\n
A szil\u00edciumkarbid kiv\u00e9teles szil\u00e1rds\u00e1ga lehet\u0151v\u00e9 teszi, hogy k\u00e1rosod\u00e1s n\u00e9lk\u00fcl ellen\u00e1lljon az \u00fct\u00e9seknek, a rezg\u00e9seknek \u00e9s a magas h\u0151m\u00e9rs\u00e9kletnek; \u00edgy kiv\u00e1l\u00f3 anyagv\u00e1laszt\u00e1s olyan nagy ig\u00e9nybev\u00e9tel\u0171 alkalmaz\u00e1sokhoz, mint a mechanikus t\u00f6m\u00edt\u00e9sek, kemencealkatr\u00e9szek \u00e9s kop\u00f3lemezek.<\/p>\n
A reakci\u00f3k\u00f6t\u00e9s\u0171 szil\u00edciumkarbid (RB SiC) egy rendk\u00edv\u00fcl tart\u00f3s ker\u00e1miaanyag, amely k\u00e9pes ellen\u00e1llni a magas h\u0151m\u00e9rs\u00e9kletnek, a korr\u00f3zi\u00f3nak \u00e9s a kop\u00e1snak. Ennek az anyagnak az el\u0151\u00e1ll\u00edt\u00e1s\u00e1hoz az olvadt szil\u00edciumot infiltr\u00e1ci\u00f3s elj\u00e1r\u00e1ssal kell a k\u00edv\u00e1nt form\u00e1kba csomagolt por\u00f3zus sz\u00e9nbe besziv\u00e1rogtatni; ha elk\u00e9sz\u00fclt, rendk\u00edv\u00fcl s\u0171r\u0171 anyagg\u00e1 v\u00e1lik, amely a szinterezett szil\u00edciumkarbid sz\u00e1mos el\u0151ny\u00e9vel rendelkezik.<\/p>\n
A Saint-Gobain Performance Ceramics & Refractories reakci\u00f3k\u00f6t\u00e9s\u0171 szil\u00edciumkarbid lemezeket (RBSiC) k\u00edn\u00e1l, amelyek k\u00fcl\u00f6nf\u00e9le alkalmaz\u00e1sokhoz megmunk\u00e1lhat\u00f3k \u00e9s alak\u00edthat\u00f3k. Az RBSiC lemezek cs\u00f6kkenthetik a h\u0151terhel\u00e9st az \u00e9get\u00e9s sor\u00e1n az\u00e1ltal, hogy stabilit\u00e1st biztos\u00edtanak, mik\u00f6zben cs\u00f6kkentik a fesz\u00fclts\u00e9gterhel\u00e9si szintet; a kemenc\u00e9kben ezeket \u00e1ltal\u00e1ban a h\u0151terhel\u00e9s cs\u00f6kkent\u00e9s\u00e9re, valamint a szerkezetek tart\u00f3gerend\u00e1inak vagy kocsirendszereknek a tart\u00f3gerend\u00e1khoz val\u00f3 al\u00e1t\u00e1maszt\u00e1s\u00e1ra haszn\u00e1lj\u00e1k.<\/p>\n
A szil\u00edciumkarbid magas h\u0151m\u00e9rs\u00e9kleten rendk\u00edv\u00fcl stabil \u00e9s savas korr\u00f3zi\u00f3\u00e1ll\u00f3. Tov\u00e1bb\u00e1 mechanikai fesz\u00fclts\u00e9gt\u0171r\u00e9se \u00e9s a koptat\u00f3 er\u0151kkel szembeni ellen\u00e1ll\u00e1sa miatt kiv\u00e1l\u00f3 anyagv\u00e1laszt\u00e1s a v\u00e1g\u00f3szersz\u00e1mokhoz vagy csiszol\u00f3anyagokhoz.<\/p>\n
A SiC \u00e9s \u00f6tv\u00f6zete, az a-SiC hexagon\u00e1lis, szorosan pakolt tetra\u00e9dereket mutat, amelyek hexagon\u00e1lis, szorosan pakolt szerkezetet alkotnak, a tetra\u00e9deres helyek fel\u00e9t kit\u00f6ltve. A SiC mindk\u00e9t form\u00e1ja kovalens vegy\u00fclet, keskeny s\u00e1vh\u00e9zaggal, amely lehet\u0151v\u00e9 teszi, hogy magas h\u0151m\u00e9rs\u00e9kleten elektronokat adjon le, \u00edgy ez az anyag kiv\u00e1l\u00f3 f\u00e9lvezet\u0151 anyag.<\/p>\n
A szinterezett szil\u00edciumkarbid (SSiC) a szil\u00edciumkarbid v\u00e1s\u00e1rl\u00e1sakor az el\u0151nyben r\u00e9szes\u00edtett v\u00e1laszt\u00e1s, k\u00f6sz\u00f6nhet\u0151en annak, hogy reakci\u00f3k\u00f6t\u00e9si \u00e9s agyaginf\u00fazi\u00f3s elj\u00e1r\u00e1ssal s\u0171r\u0171s\u00f6dik, \u00e9s leny\u0171g\u00f6z\u0151 kop\u00e1s\u00e1ll\u00f3s\u00e1got, valamint nagy szil\u00e1rds\u00e1got k\u00edn\u00e1l. Tov\u00e1bb\u00e1 ez a v\u00e1ltozat nem toxikol\u00f3giailag biztons\u00e1gos, \u00edgy alkalmas olyan alkalmaz\u00e1sokhoz, amelyek nagym\u00e9rt\u00e9k\u0171 kop\u00e1st szenvedhetnek, mint p\u00e9ld\u00e1ul a t\u00f6m\u00edt\u00e9sek \u00e9s a szivatty\u00faalkatr\u00e9szek.<\/p>","protected":false},"excerpt":{"rendered":"
Silicon carbide plate is an extremely hard and dense ceramic material which offers great corrosion protection from acids and high temperatures, as well as rigidity and low thermal expansion, making it an excellent material choice for mirrors in large telescopes. Saint-Gobain offers an impressive variety of silicon carbide products, including nitride-bonded, reaction bonded and sintered […]<\/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":[64],"tags":[],"class_list":["post-156","post","type-post","status-publish","format-standard","hentry","category-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/ceramicatijolart.com\/hu\/wp-json\/wp\/v2\/posts\/156","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ceramicatijolart.com\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ceramicatijolart.com\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ceramicatijolart.com\/hu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ceramicatijolart.com\/hu\/wp-json\/wp\/v2\/comments?post=156"}],"version-history":[{"count":1,"href":"https:\/\/ceramicatijolart.com\/hu\/wp-json\/wp\/v2\/posts\/156\/revisions"}],"predecessor-version":[{"id":157,"href":"https:\/\/ceramicatijolart.com\/hu\/wp-json\/wp\/v2\/posts\/156\/revisions\/157"}],"wp:attachment":[{"href":"https:\/\/ceramicatijolart.com\/hu\/wp-json\/wp\/v2\/media?parent=156"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ceramicatijolart.com\/hu\/wp-json\/wp\/v2\/categories?post=156"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ceramicatijolart.com\/hu\/wp-json\/wp\/v2\/tags?post=156"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}