Az NBSiC magas h\u0151m\u00e9rs\u00e9kleten is nagy teherb\u00edr\u00e1s\u00fa, valamint ellen\u00e1ll a savaknak, olvadt s\u00f3knak \u00e9s halog\u00e9neknek. Ezenk\u00edv\u00fcl ez a kis t\u00f6meg\u0171 term\u00e9k \u00f6sszetett form\u00e1kba alak\u00edthat\u00f3, hogy k\u00fcl\u00f6nb\u00f6z\u0151 m\u00f3don helyettes\u00edtse a f\u00e9m alkatr\u00e9szeket.<\/p>\n
Az anyag kiv\u00e1l\u00f3an ellen\u00e1ll a rideg reped\u00e9seknek \u00e9s az \u00fct\u00e9s okozta kop\u00e1snak. Tov\u00e1bb\u00e1 a gumi minden talajt\u00edpusban jobb kop\u00e1s\u00e1ll\u00f3s\u00e1ggal rendelkezik, mint az ac\u00e9lok.<\/p>\n
Az NBSiC ker\u00e1mi\u00e1k kiv\u00e1l\u00f3 mechanikai szil\u00e1rds\u00e1got biztos\u00edtanak a koptat\u00f3 k\u00f6rnyezetben t\u00f6rt\u00e9n\u0151 alkalmaz\u00e1sokhoz, valamint k\u00e9miailag inertek \u00e9s savakkal szemben ellen\u00e1ll\u00f3ak. Tov\u00e1bb\u00e1, ez a t\u0171z\u00e1ll\u00f3 anyag kiv\u00e1l\u00f3 h\u0151stabilit\u00e1ssal rendelkezik - ami azt jelenti, hogy reped\u00e9s vagy degrad\u00e1ci\u00f3 n\u00e9lk\u00fcl k\u00e9pes ellen\u00e1llni a magas h\u0151m\u00e9rs\u00e9kleteknek -, \u00edgy alkalmas a h\u0151elemek v\u00e9delm\u00e9re a zord k\u00f6rnyezetekt\u0151l vagy kemenceb\u00e9l\u00e9sek k\u00e9sz\u00edt\u00e9s\u00e9re.<\/p>\n
A szil\u00e1rds\u00e1got a szemcsem\u00e9ret-eloszl\u00e1s \u00e9s a szil\u00edcium-nitrid r\u00e9szecsk\u00e9k jelenl\u00e9te hat\u00e1rozza meg a szil\u00edcium-karbid szemcs\u00e9k k\u00f6z\u00f6tt. A tribol\u00f3giai kop\u00e1s\u00e1ll\u00f3s\u00e1g a szemcsem\u00e9ret n\u00f6veked\u00e9s\u00e9vel cs\u00f6kken. Az NBSiC eset\u00e9ben a szil\u00edcium-nitrid finom p\u00f3russzerkezeteket k\u00e9pez a nagy szemcs\u00e9k k\u00f6z\u00f6tt, hogy az er\u0151s\u00edt\u0151 f\u00e1zis \u00fajra megt\u00e1madhassa a kopott fel\u00fcleteket, \u00e9s cs\u00f6kkentse az egyes szemcs\u00e9k terhel\u00e9s\u00e9t.<\/p>\n
Az NBSiC a Blasch-elj\u00e1r\u00e1ssal \u00f6sszetett form\u00e1kba form\u00e1lhat\u00f3 t\u0171z\u00e1ll\u00f3 alkalmaz\u00e1sokban val\u00f3 felhaszn\u00e1l\u00e1sra, mivel k\u00f6nnyen alak\u00edthat\u00f3. Alkatr\u00e9szekre form\u00e1zva ak\u00e1r t\u00f6bb mikronos pontoss\u00e1ggal is rendelkezik. Az NBSiC tov\u00e1bb\u00e1 rendk\u00edv\u00fcli kop\u00e1s\u00e1ll\u00f3s\u00e1got mutat a sz\u00e9ls\u0151s\u00e9ges h\u0151m\u00e9rs\u00e9kletekkel, valamint a talajr\u00e9szecsk\u00e9k okozta kop\u00e1ssal szemben, \u00e9s m\u00e9g a kifejezetten talajmunk\u00e1khoz tervezett speci\u00e1lis ac\u00e9lokat is fel\u00fclm\u00falja: a kop\u00e1svizsg\u00e1latok sor\u00e1n a k\u00f6zepes talajviszonyok k\u00f6z\u00f6tt kilencszer kisebb intenzit\u00e1s\u00fa kop\u00e1st, neh\u00e9z talajviszonyok k\u00f6z\u00f6tt pedig ak\u00e1r 1,2-szer kisebb intenzit\u00e1st mutattak ki, mint az ac\u00e9l kop\u00e1svizsg\u00e1latok.<\/p>\n
A nitridhez k\u00f6t\u00f6tt szil\u00edciumkarbid egy fejlett t\u0171z\u00e1ll\u00f3 anyag, amely kiv\u00e1l\u00f3 sz\u00edv\u00f3ss\u00e1ggal, kop\u00e1s\u00e1ll\u00f3s\u00e1ggal \u00e9s szil\u00e1rds\u00e1gi tulajdons\u00e1gokkal rendelkezik. Sz\u00e9ls\u0151s\u00e9ges h\u0151m\u00e9rs\u00e9kleteknek is ellen\u00e1ll, mik\u00f6zben rendk\u00edv\u00fcl stabil marad, korl\u00e1tozott line\u00e1ris t\u00e1gul\u00e1si \u00e9s \u00f6sszeh\u00faz\u00f3d\u00e1si sebess\u00e9ggel, valamint h\u0151sokk-ellen\u00e1ll\u00f3 tulajdons\u00e1gokkal rendelkezik. A nitridk\u00f6t\u00e9s\u0171 szil\u00edciumkarbidot gyakran haszn\u00e1lj\u00e1k vasgy\u00e1rt\u00f3 koh\u00f3kban (k\u00fcl\u00f6n\u00f6sen a k\u00e9m\u00e9ny als\u00f3 r\u00e9szei, a has \u00e9s a bozh), ker\u00e1miagy\u00e1rt\u00e1si alkalmaz\u00e1sokban, valamint egy\u00e9b ipari felhaszn\u00e1l\u00e1sra.<\/p>\n
A nitrid\u00e1l\u00e1si elj\u00e1r\u00e1ssal el\u0151\u00e1ll\u00edtott szil\u00edciumkarbid (SiC szemcse \u00e9s f\u00e9mszil\u00edcium por) keveredik \u00e9s magas h\u0151m\u00e9rs\u00e9kleten, nitrog\u00e9nben gazdag k\u00f6rnyezetben \u00e9getik ki, hogy a reakci\u00f3ban k\u00f6t\u00f6tt szil\u00edciumkarbid szemcs\u00e9k s\u0171r\u0171, a ker\u00e1miagy\u00e1rt\u00e1shoz haszn\u00e1lt ac\u00e9lhoz hasonl\u00f3 er\u0151s k\u00f6t\u00e9sekkel rendelkez\u0151 ker\u00e1miaanyagokk\u00e1 alakuljanak.<\/p>\n
A nitridk\u00f6t\u00e9s\u0171 szil\u00edciumkarbiddal v\u00e9gzett vizsg\u00e1latok kimutatt\u00e1k, hogy k\u00fcl\u00f6nb\u00f6z\u0151 talajviszonyok k\u00f6z\u00f6tt az ac\u00e9ln\u00e1l jobb hat\u00e9konys\u00e1ggal cs\u00f6kkenti a koptat\u00f3 kop\u00e1st, mint az ac\u00e9l, a b\u00f3rac\u00e9l \u00e9s a C+Cr+Nb bet\u00e9tes hegeszt\u00e9s teljes\u00edtm\u00e9ny\u00e9vel \u00f6sszehasonl\u00edtva k\u00fcl\u00f6nb\u00f6z\u0151 alkalmaz\u00e1sokban. Tov\u00e1bb\u00e1 meg\u00e1llap\u00edtott\u00e1k, hogy a szemcsem\u00e9ret-eloszl\u00e1s k\u00f6zvetlen\u00fcl befoly\u00e1solja ennek az anyagnak a kop\u00e1s\u00e1ll\u00f3s\u00e1g\u00e1t \u00e9s kop\u00e1s\u00e1ll\u00f3s\u00e1g\u00e1t.<\/p>\n
Ahogy a nitridk\u00f6t\u00e9s\u0171 szil\u00edciumkarbid szemcsem\u00e9rete cs\u00f6kken, \u00fagy n\u0151 a kop\u00e1s\u00e1ll\u00f3s\u00e1ga, \u00e9s ide\u00e1lis anyagg\u00e1 v\u00e1lik a megmunk\u00e1land\u00f3 talajt\u00f6meg alkatr\u00e9szeinek el\u0151\u00e1ll\u00edt\u00e1s\u00e1hoz.<\/p>\n
A nitridhez k\u00f6t\u00f6tt szil\u00edciumkarbid kiv\u00e1l\u00f3 stabilit\u00e1st, mechanikai szil\u00e1rds\u00e1got \u00e9s t\u00f6r\u00e9si sz\u00edv\u00f3ss\u00e1got mutat 1375 \u00b0C (a szil\u00edcium olvad\u00e1spontja) feletti h\u0151m\u00e9rs\u00e9kleten. A Silcarb az NBSIC ker\u00e1mi\u00e1k gy\u00e1rt\u00e1s\u00e1hoz egy fejlett gy\u00e1rt\u00e1si elj\u00e1r\u00e1st alkalmaz, amelyet cs\u00fasz\u00e1s\u00f6nt\u00e9snek\/sajtol\u00e1snak neveznek, majd oxig\u00e9nnel ellen\u0151rz\u00f6tt k\u00f6rnyezetben t\u00f6rt\u00e9n\u0151 \u00e9get\u00e9snek, hogy a lehet\u0151 legmagasabb \u00fczemi h\u0151m\u00e9rs\u00e9kletet \u00e9rj\u00e9k el. A nitridk\u00f6t\u00e9s\u0171 szil\u00edciumkarbid sz\u00e1mos ipari felhaszn\u00e1l\u00e1si ter\u00fcletet tal\u00e1l, t\u00f6bbek k\u00f6z\u00f6tt alum\u00edniumolvaszt\u00f3 ed\u00e9nyek kemenceb\u00fatorzat\u00e1nak oldalfalait vagy nagyolvaszt\u00f3 kemenc\u00e9k als\u00f3 k\u00e9m\u00e9nyeit.<\/p>\n
Ez az anyag kiv\u00e1l\u00f3 korr\u00f3zi\u00f3\u00e1ll\u00f3s\u00e1got biztos\u00edt k\u00fcl\u00f6nb\u00f6z\u0151 k\u00f6rnyezetekben, a sz\u00e1raz leveg\u0151t\u0151l az olvadt s\u00f3kig \u00e9s f\u00e9mekig, valamint olyan \u00f6sszetett k\u00f6rnyezetekben, mint a sz\u00e9nhamu \u00e9s salak. A nitridhez k\u00f6t\u00f6tt szil\u00edciumkarbid bizonyos esetekben ak\u00e1r az ac\u00e9lt is helyettes\u00edtheti, mint a legjobb v\u00e1laszt\u00e1s.<\/p>\n
A nitridhez k\u00f6t\u00f6tt szil\u00edciumkarbid leny\u0171g\u00f6z\u0151 kop\u00e1s\u00e1ll\u00f3s\u00e1got biztos\u00edt a koptat\u00f3 talajviszonyokkal szemben. Tanulm\u00e1nyok bizony\u00edtott\u00e1k, hogy ak\u00e1r kilencszer ellen\u00e1ll\u00f3bb, mint a talajmunk\u00e1khoz haszn\u00e1lt speci\u00e1lis ac\u00e9lok, \u00e9s t\u00f6bb mint k\u00e9tszer olyan ellen\u00e1ll\u00f3, mint a 38GSA ac\u00e9lon t\u00f6lt\u0151hegeszt\u00e9sk\u00e9nt haszn\u00e1lt b\u00f3rtartalm\u00fa ac\u00e9l. A k\u00f6nny\u0171 talajviszonyok k\u00f6z\u00f6tti teljes\u00edtm\u00e9ny gyakran fel\u00fclm\u00falta a k\u00f6zepes \u00e9s neh\u00e9z talajviszonyokat; k\u00fcl\u00f6n\u00f6sen el\u0151ny\u00f6s a k\u00f6nny\u0171 a k\u00f6zepesen neh\u00e9z k\u00f6r\u00fclm\u00e9nyekkel szemben.<\/p>\n
A nitridk\u00f6t\u00e9s\u0171 szil\u00edciumkarbidot gyakran haszn\u00e1lj\u00e1k olyan alkalmaz\u00e1sokban, amelyek szil\u00e1rds\u00e1got, sz\u00edv\u00f3ss\u00e1got \u00e9s h\u0151stabilit\u00e1st ig\u00e9nyelnek. Ez az anyag kop\u00e1s\u00e1ll\u00f3s\u00e1gi c\u00e9llal gyakran megtal\u00e1lhat\u00f3 kop\u00f3 alkatr\u00e9szekben, csap\u00e1gyakban \u00e9s f\u00fav\u00f3k\u00e1kban; emellett a magas h\u0151m\u00e9rs\u00e9kleten ny\u00fajtott kiv\u00e1l\u00f3 teljes\u00edtm\u00e9nye miatt gyakran haszn\u00e1lj\u00e1k rep\u00fcl\u0151g\u00e9pipari \u00e9s aut\u00f3ipari alkalmaz\u00e1sokban, bele\u00e9rtve a g\u00e1zturbina-alkatr\u00e9szeket, motoralkatr\u00e9szeket \u00e9s h\u0151cser\u00e9l\u0151ket.<\/p>\n
A k\u00f6t\u00e9si f\u00e1zisban l\u00e9v\u0151 nitrid v\u00e9delmet ny\u00fajt a forr\u00f3 g\u00e1zok, olvadt s\u00f3k \u00e9s f\u00e9mek okozta korr\u00f3zi\u00f3 ellen. Az anyagok gyakran kapnak egy tov\u00e1bbi szil\u00edcium-dioxid bevonatot, hogy tov\u00e1bb n\u00f6velj\u00e9k a korr\u00f3zi\u00f3\u00e1ll\u00f3s\u00e1got, mik\u00f6zben a szil\u00edciumkarbidot megv\u00e9dik az er\u00f3zi\u00f3t\u00f3l, mik\u00f6zben jav\u00edtj\u00e1k az \u00e1ltal\u00e1nos korr\u00f3zi\u00f3\u00e1ll\u00f3s\u00e1got. A nitrid hozz\u00e1j\u00e1rul a termikus sokkokkal szembeni ellen\u00e1ll\u00e1shoz is, \u00edgy hat\u00e9konyan haszn\u00e1lhat\u00f3k olyan alkalmaz\u00e1sokban, amelyek gyors h\u0151m\u00e9rs\u00e9kletv\u00e1ltoz\u00e1sokkal j\u00e1rnak.<\/p>\n
A nitrog\u00e9nhez k\u00f6t\u00f6tt szil\u00edciumkarbid (NBC) t\u0171z\u00e1ll\u00f3 anyagokat gyakran alkalmazz\u00e1k s\u00falyos \u00fczemi k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt az \u00f6tv\u00f6zetek \u00e9s m\u00e1s t\u0171z\u00e1ll\u00f3 anyagok, p\u00e9ld\u00e1ul \u00f6tv\u00f6z\u00f6tt anyagok helyettes\u00edt\u00e9s\u00e9re. Gyakori p\u00e9lda erre az \u00e1sv\u00e1nyfeldolgoz\u00f3 \u00fczemek ciklonb\u00e9l\u00e9se, valamint az NBC-t tartalmaz\u00f3 \u00f6nt\u00f6tt t\u0171z\u00e1ll\u00f3 anyagokb\u00f3l k\u00e9sz\u00fclt szivatty\u00faalkatr\u00e9szek, szelepb\u00e9l\u00e9sek, csapok \u00e9s f\u00fav\u00f3k\u00e1k.<\/p>\n
A nitrog\u00e9nhez k\u00f6t\u00f6tt szil\u00edciumkarbid t\u00e9gl\u00e1k sz\u00e1mos alkalmaz\u00e1si ter\u00fcletet tal\u00e1lnak az ac\u00e9l- \u00e9s a sz\u00ednesf\u00e9mkoh\u00e1szati kemenc\u00e9kben, amelyeket alum\u00edniumolvaszt\u00f3 ed\u00e9nyek, koh\u00f3k, kemenceb\u00fatorok \u00e9s nagyolvaszt\u00f3 kemenc\u00e9k oldalfalak\u00e9nt \u00e9s als\u00f3 rak\u00e1sak\u00e9nt haszn\u00e1lnak. Jellemz\u0151ik k\u00f6z\u00e9 tartozik a kiv\u00e1l\u00f3 \u00fct\u00e9s\u00e1ll\u00f3s\u00e1g, az \u00f6sszetett form\u00e1kba val\u00f3 k\u00f6nny\u0171 alak\u00edthat\u00f3s\u00e1g \u00e9s a kiv\u00e9teles kop\u00e1s\u00e1ll\u00f3s\u00e1gi fokozat.<\/p>","protected":false},"excerpt":{"rendered":"
NBSiC boasts high load carrying capacities at elevated temperatures, as well as being resistant to acids, molten salts and halogens. Furthermore, this low mass product can be formed into complex shapes to replace metal parts in various ways. Material features excellent resistance to brittle cracking and impact wear. Furthermore, rubber has superior abrasive wear resistance […]<\/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-108","post","type-post","status-publish","format-standard","hentry","category-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/ceramicatijolart.com\/hu\/wp-json\/wp\/v2\/posts\/108","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=108"}],"version-history":[{"count":1,"href":"https:\/\/ceramicatijolart.com\/hu\/wp-json\/wp\/v2\/posts\/108\/revisions"}],"predecessor-version":[{"id":109,"href":"https:\/\/ceramicatijolart.com\/hu\/wp-json\/wp\/v2\/posts\/108\/revisions\/109"}],"wp:attachment":[{"href":"https:\/\/ceramicatijolart.com\/hu\/wp-json\/wp\/v2\/media?parent=108"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ceramicatijolart.com\/hu\/wp-json\/wp\/v2\/categories?post=108"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ceramicatijolart.com\/hu\/wp-json\/wp\/v2\/tags?post=108"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}