Kiv\u00e1l\u00f3 teljes\u00edtm\u00e9ny\u0171 \u00e9s magas h\u0151m\u00e9rs\u00e9klet\u0171 anyagk\u00e9nt a szil\u00edcium-karbid ker\u00e1mi\u00e1t egyre gyakrabban haszn\u00e1lj\u00e1k a petrolk\u00e9miai, vas- \u00e9s ac\u00e9lkoh\u00e1szat, a g\u00e9pipar \u00e9s az elektronika, a rep\u00fcl\u0151g\u00e9pipar, az energia \u00e9s a k\u00f6rnyezetv\u00e9delem, az atomenergia, az aut\u00f3ipar, a magas h\u0151m\u00e9rs\u00e9klet\u0171 kemence \u00e9s m\u00e1s ipari ter\u00fcleteken.
\n(1) T\u00f6m\u00edt\u0151gy\u0171r\u0171k, sikl\u00f3csap\u00e1gyak
\nNyom\u00e1smentes szinterezett \u00e9s reakci\u00f3 szinterezett s\u0171r\u0171 szil\u00edcium-karbid anyagok, mert a kiv\u00e1l\u00f3 kop\u00e1s\u00e1ll\u00f3s\u00e1g, magas h\u0151vezet\u0151 k\u00e9pess\u00e9g, magas h\u0151m\u00e9rs\u00e9klet \u00e9s korr\u00f3zi\u00f3\u00e1ll\u00f3s\u00e1g, a gy\u00e1rt\u00e1s a t\u00f6m\u00edt\u0151gy\u0171r\u0171k, sikl\u00f3csap\u00e1gyak \u00e9s s\u00farl\u00f3d\u00e1sv\u00e9delmi perselyek ide\u00e1lis anyagok. K\u00fcl\u00f6nb\u00f6z\u0151 form\u00e1k \u00e9s t\u00f6m\u00edt\u0151gy\u0171r\u0171k k\u00e9sz\u00edthet\u0151k bel\u0151le nagy m\u00e9retpontoss\u00e1ggal \u00e9s fel\u00fcletkezel\u00e9ssel, \u00e9s mechanikus t\u00f6m\u00edt\u00e9sekk\u00e9nt haszn\u00e1lhat\u00f3 sz\u00e1mos zord k\u00f6rnyezetben. P\u00e9ld\u00e1ul a haj\u00f3gy\u00e1rt\u00e1sban, a vegyiparban, a vegyiparban, a koh\u00e1szatban, a k\u0151olaj- \u00e9s a pap\u00edriparban a sav- \u00e9s l\u00fag\u00e1ll\u00f3 szivatty\u00fak t\u00f6m\u00edt\u0151szerkezeteiben \u00e9s cs\u00fasz\u00f3szerkezeteiben haszn\u00e1lj\u00e1k, \u00e9s sz\u00e9les k\u00f6rben elterjedtek j\u00f3 l\u00e9gz\u00e1r\u00e1suk \u00e9s hossz\u00fa \u00e9lettartamuk miatt. Vegy\u00fck p\u00e9ld\u00e1nak a Sic t\u00f6m\u00edt\u0151gy\u0171r\u0171t az aut\u00f3ipari v\u00edzh\u0171t\u0151 szivatty\u00fak homlokt\u00f6m\u00edt\u00e9s\u00e9ben. A homlokt\u00f6m\u00edt\u00e9sek f\u0151k\u00e9nt a forg\u00f3 fel\u00fcleten biztos\u00edtanak t\u00f6m\u00edt\u00e9st, megakad\u00e1lyozva, hogy a t\u00f6m\u00edt\u00e9s oldal\u00e1n l\u00e9v\u0151 folyad\u00e9k vagy g\u00e1z \u00e1t\u00e1ramoljon a m\u00e1sik oldalra. A v\u00edzh\u0171t\u00e9ses g\u00e9pj\u00e1rm\u0171motorok keringet\u0151 v\u00edzszivatty\u00fain\u00e1l a ker\u00e1mia gy\u0171r\u0171s t\u00f6m\u00edt\u00e9sek haszn\u00e1lat\u00e1val elker\u00fclhet\u0151 a szivatty\u00fa forg\u00e1sa k\u00f6zbeni v\u00edzsziv\u00e1rg\u00e1s, \u00e9s egyszerre lehet t\u00f6m\u00edt\u00e9st \u00e9s cs\u00fasz\u00e1st is megval\u00f3s\u00edtani. A m\u00faltban \u00e1ltal\u00e1nosan haszn\u00e1lt Al, O, ker\u00e1mia gy\u00e1rt\u00e1s, de most siC anyagot haszn\u00e1l, mert SiC, mint Al.O, nagy kem\u00e9nys\u00e9g, kop\u00e1s\u00e1ll\u00f3s\u00e1g \u00e9s j\u00f3 \u00e9lettartam. Hasonl\u00f3 siC t\u00f6m\u00edt\u0151gy\u0171r\u0171t az aut\u00f3ipari l\u00e9gkondicion\u00e1l\u00f3 kompresszorban is alkalmaztak.
\n(2) Goly\u00f3\u00e1ll\u00f3 ker\u00e1mia
\nA szil\u00edcium-karbid ker\u00e1mia a nagy kem\u00e9nys\u00e9g, az alacsony s\u0171r\u0171s\u00e9g, a jobb v\u00e9d\u0151 tulajdons\u00e1gok \u00e9s az alacsonyabb \u00e1rak (a B, C ker\u00e1mi\u00e1khoz k\u00e9pest) miatt a goly\u00f3\u00e1ll\u00f3 p\u00e1nc\u00e9lban alkalmazott - bizonyos versenyel\u0151nnyel rendelkezik. V\u00e9delmi teljes\u00edtm\u00e9nye jobb, mint az Al2O3 ker\u00e1mia, b\u00e1r kiss\u00e9 rosszabb, mint a B, C ker\u00e1mia (k\u00f6r\u00fclbel\u00fcl B, C ker\u00e1mia 70% ~ 80%), de SiC ker\u00e1mia gy\u00e1rt\u00e1si k\u00f6lts\u00e9ge sokkal alacsonyabb, mint a B.C. Jelenleg a l\u00e9gk\u00f6ri nyom\u00e1son szinterez\u00e9s SiC \u00e9s reakci\u00f3 szinterez\u00e9s SiC ker\u00e1mia lemez k\u00fcl\u00f6n\u00f6sen alkalmas nagy mennyis\u00e9g\u0171 \u00e9s v\u00e9d\u0151 p\u00e1nc\u00e9l nem lehet t\u00fal vastag \u00e9s neh\u00e9z alkalmakkor. Mint p\u00e9ld\u00e1ul az Egyes\u00fclt \u00c1llamok CERCOM, INC c\u00e9g k\u00e9sz\u00edtett nagy kem\u00e9nys\u00e9g\u0171, nagy sz\u00edv\u00f3ss\u00e1g \u00e9s magas Weibull modulus (n\u00e9gypontos hajl\u00edt\u00f3szil\u00e1rds\u00e1g 580 MPa, t\u00f6r\u00e9si sz\u00edv\u00f3ss\u00e1g Kxc 4,7 MPa \u25cf m1\/2, Weibull modulus m = 17) SiC ker\u00e1mia kiv\u00e1l\u00f3 goly\u00f3\u00e1ll\u00f3 anyag.
\n(3) F\u00fav\u00f3ka
\nA k\u0151olajiparban, az energetik\u00e1ban, a k\u00f6rnyezetv\u00e9delemben, az \u0171rrak\u00e9t\u00e1k \u00e9s a g\u00e9pgy\u00e1rt\u00e1sban \u00e9s m\u00e1s ter\u00fcleteken k\u00fcl\u00f6nf\u00e9le f\u00fav\u00f3k\u00e1kat kell haszn\u00e1lni, l\u00e1sd a 8-13. \u00e1bra (g). Szil\u00edcium-karbid ker\u00e1mia, mint az Al2O3 \u00e9s SiN ker\u00e1mia a nagyobb kem\u00e9nys\u00e9g \u00e9s a termikus sokk\u00e1ll\u00f3s\u00e1g \u00e9s a kiv\u00e1l\u00f3 korr\u00f3zi\u00f3\u00e1ll\u00f3s\u00e1g miatt, \u00e9s ez\u00e9rt sz\u00e9les k\u00f6rben haszn\u00e1lj\u00e1k. P\u00e9ld\u00e1ul a SiC-ker\u00e1mia \u00e9lettartama 3,5-szer hosszabb, mint az Al2O3-ker\u00e1mi\u00e1\u00e9 a homokf\u00fav\u00f3ka f\u00fav\u00f3k\u00e1k eset\u00e9ben. A reakci\u00f3szinterez\u00e9s, a nyom\u00e1s n\u00e9lk\u00fcli szinterez\u00e9s \u00e9s az \u00e1tkrist\u00e1lyos\u00edt\u00e1s sic magas h\u0151m\u00e9rs\u00e9klet\u0171 kemence\u00e9get\u0151 f\u00fav\u00f3kak\u00e9nt \u00e9s h\u0151er\u0151m\u0171vi k\u00e9ntelen\u00edt\u0151 f\u00fav\u00f3kak\u00e9nt haszn\u00e1lhat\u00f3 a k\u00e9ntelen\u00edt\u00e9shez.<\/p>","protected":false},"excerpt":{"rendered":"
As an excellent performance and high temperature materials, silicon carbide ceramics has been increasingly used in petrochemical, iron and steel metallurgy, machinery and electronics, aerospace, energy and environmental protection, nuclear energy, automotive, high temperature kiln and other industrial fields. (1) Sealing rings, plain bearings Pressureless sintered and reaction sintered dense silicon carbide materials, because of… Read More »A szil\u00edcium-karbid ker\u00e1mi\u00e1kat t\u00f6m\u00edt\u0151gy\u0171r\u0171kh\u00f6z stb. haszn\u00e1lj\u00e1k.<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"off","neve_meta_content_width":70,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[6],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/advance-ceramics.com\/hu\/wp-json\/wp\/v2\/posts\/189"}],"collection":[{"href":"https:\/\/advance-ceramics.com\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/advance-ceramics.com\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/advance-ceramics.com\/hu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/advance-ceramics.com\/hu\/wp-json\/wp\/v2\/comments?post=189"}],"version-history":[{"count":2,"href":"https:\/\/advance-ceramics.com\/hu\/wp-json\/wp\/v2\/posts\/189\/revisions"}],"predecessor-version":[{"id":191,"href":"https:\/\/advance-ceramics.com\/hu\/wp-json\/wp\/v2\/posts\/189\/revisions\/191"}],"wp:attachment":[{"href":"https:\/\/advance-ceramics.com\/hu\/wp-json\/wp\/v2\/media?parent=189"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/advance-ceramics.com\/hu\/wp-json\/wp\/v2\/categories?post=189"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/advance-ceramics.com\/hu\/wp-json\/wp\/v2\/tags?post=189"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}