{"id":2350,"date":"2026-06-02T07:10:51","date_gmt":"2026-06-02T07:10:51","guid":{"rendered":"https:\/\/www.xkh-ceramics.com\/?p=2350"},"modified":"2026-06-02T07:15:24","modified_gmt":"2026-06-02T07:15:24","slug":"why-silicon-carbide-ceramics-offer-superior-wear-and-corrosion-resistance","status":"publish","type":"post","link":"https:\/\/www.xkh-ceramics.com\/cs\/why-silicon-carbide-ceramics-offer-superior-wear-and-corrosion-resistance\/","title":{"rendered":"Pro\u010d je keramika z karbidu k\u0159em\u00edku mimo\u0159\u00e1dn\u011b odoln\u00e1 proti opot\u0159eben\u00ed a korozi?"},"content":{"rendered":"

Pokro\u010dil\u00e9 keramick\u00e9 materi\u00e1ly <\/a>nab\u00fdvaj\u00ed st\u00e1le v\u011bt\u0161\u00edho v\u00fdznamu v pr\u016fmyslov\u00fdch odv\u011btv\u00edch, kter\u00e1 vy\u017eaduj\u00ed mimo\u0159\u00e1dnou odolnost, chemickou stabilitu a dlouhou \u017eivotnost. Mezi t\u011bmito materi\u00e1ly si z\u00edskala \u0161irok\u00e9 uzn\u00e1n\u00ed keramika z karbidu k\u0159em\u00edku (SiC) pro svou mimo\u0159\u00e1dnou odolnost proti opot\u0159eben\u00ed a korozi. V d\u016fsledku toho se sou\u010d\u00e1sti z karbidu k\u0159em\u00edku \u0161iroce pou\u017e\u00edvaj\u00ed ve v\u00fdrob\u011b polovodi\u010d\u016f, chemick\u00e9m zpracov\u00e1n\u00ed, v\u00fdrob\u011b energie, t\u011b\u017eebn\u00edm pr\u016fmyslu, leteck\u00e9m pr\u016fmyslu a stroj\u00edrenstv\u00ed.<\/p>\n\n\n\n

Vynikaj\u00edc\u00ed vlastnosti keramiky z karbidu k\u0159em\u00edku nejsou pouze v\u00fdsledkem vysok\u00e9 tvrdosti. Je to sp\u00ed\u0161e d\u016fsledek jedine\u010dn\u00e9 kombinace krystalov\u00e9 struktury, siln\u00e9 atomov\u00e9 vazby, n\u00edzk\u00e9 p\u00f3rovitosti a vynikaj\u00edc\u00ed chemick\u00e9 inertnosti. Pochopen\u00ed t\u011bchto vlastnost\u00ed pom\u00e1h\u00e1 vysv\u011btlit, pro\u010d karbid k\u0159em\u00edku z\u016fst\u00e1v\u00e1 jedn\u00edm z nejspolehliv\u011bj\u0161\u00edch technick\u00fdch materi\u00e1l\u016f v n\u00e1ro\u010dn\u00fdch provozn\u00edch podm\u00ednk\u00e1ch.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Krystalov\u00e1 struktura a materi\u00e1lov\u00e9 charakteristiky<\/h2>\n\n\n\n

Karbid k\u0159em\u00edku je keramick\u00e1 slou\u010denina slo\u017een\u00e1 z atom\u016f k\u0159em\u00edku a uhl\u00edku uspo\u0159\u00e1dan\u00fdch do vysoce uspo\u0159\u00e1dan\u00e9 krystalov\u00e9 m\u0159\u00ed\u017eky. Atomy jsou spojeny siln\u00fdmi kovalentn\u00edmi vazbami, kter\u00e9 pat\u0159\u00ed mezi nejsiln\u011bj\u0161\u00ed chemick\u00e9 vazby vyskytuj\u00edc\u00ed se v technick\u00fdch materi\u00e1lech.<\/p>\n\n\n\n

Tato struktura vazby p\u0159in\u00e1\u0161\u00ed n\u011bkolik d\u016fle\u017eit\u00fdch v\u00fdhod:<\/p>\n\n\n\n

    \n
  • Extr\u00e9mn\u011b vysok\u00e1 tvrdost<\/li>\n\n\n\n
  • Vysok\u00fd modul pru\u017enosti<\/li>\n\n\n\n
  • Vynikaj\u00edc\u00ed tepeln\u00e1 stabilita<\/li>\n\n\n\n
  • N\u00edzk\u00e1 tepeln\u00e1 rozta\u017enost<\/li>\n\n\n\n
  • Vynikaj\u00edc\u00ed chemick\u00e1 inertnost<\/li>\n<\/ul>\n\n\n\n

    Tvrdost karbidu k\u0159em\u00edku obvykle dosahuje p\u0159ibli\u017en\u011b 25-30 GPa, co\u017e z n\u011bj \u010din\u00ed jednu z nejtvrd\u0161\u00edch dostupn\u00fdch technick\u00fdch keramik a druh\u00fd nejtvrd\u0161\u00ed materi\u00e1l po diamantu a kubick\u00e9m nitridu boru.<\/p>\n\n\n\n

    Typick\u00e9 vlastnosti keramiky z karbidu k\u0159em\u00edku<\/h3>\n\n\n\n
    Majetek<\/th>Typick\u00e1 hodnota<\/th><\/tr>
    Hustota<\/td>3,1-3,2 g\/cm\u00b3<\/td><\/tr>
    Tvrdost (Vickers)<\/td>2500-3000 HV<\/td><\/tr>
    Modul pru\u017enosti<\/td>380-450 GPa<\/td><\/tr>
    Tepeln\u00e1 vodivost<\/td>120-270 W\/m-K<\/td><\/tr>
    Maxim\u00e1ln\u00ed provozn\u00ed teplota (vzduch)<\/td>Do 1600 \u00b0C<\/td><\/tr>
    Odolnost proti korozi<\/td>Vynikaj\u00edc\u00ed<\/td><\/tr>
    Odolnost proti opot\u0159eben\u00ed<\/td>Vynikaj\u00edc\u00ed<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    Tyto vlastnosti jsou z\u00e1kladem pro v\u00fdjime\u010dnou odolnost proti opot\u0159eben\u00ed a korozi v pr\u016fmyslov\u00fdch aplikac\u00edch.<\/p>\n\n\n\n

    Pro\u010d karbid k\u0159em\u00edku vykazuje vynikaj\u00edc\u00ed odolnost proti opot\u0159eben\u00ed<\/h2>\n\n\n\n

    Vysok\u00e1 tvrdost sni\u017euje po\u0161kozen\u00ed povrchu<\/h3>\n\n\n\n

    K opot\u0159eben\u00ed doch\u00e1z\u00ed p\u0159i opakovan\u00e9m mechanick\u00e9m zat\u00ed\u017een\u00ed povrch\u016f, co\u017e vede k \u00fab\u011bru materi\u00e1lu v pr\u016fb\u011bhu \u010dasu. Proto\u017ee karbid k\u0159em\u00edku m\u00e1 extr\u00e9mn\u011b vysokou tvrdost, je pro brusn\u00e9 \u010d\u00e1stice obt\u00ed\u017en\u00e9 proniknout do povrchu nebo jej po\u0161kr\u00e1bat.<\/p>\n\n\n\n

    V prost\u0159ed\u00ed s abrazivn\u00edm opot\u0159eben\u00edm, jako jsou kalov\u00e1 \u010derpadla, t\u011bsn\u011bn\u00ed, lo\u017eiska a sou\u010d\u00e1sti ventil\u016f, si povrchy z karbidu k\u0159em\u00edku zachov\u00e1vaj\u00ed svou integritu podstatn\u011b d\u00e9le ne\u017e kovy a mnoho b\u011b\u017en\u00fdch keramick\u00fdch materi\u00e1l\u016f.<\/p>\n\n\n\n

    Vysok\u00e1 tvrdost minimalizuje:<\/p>\n\n\n\n

      \n
    • Po\u0161kr\u00e1b\u00e1n\u00ed povrchu<\/li>\n\n\n\n
    • Deformace materi\u00e1lu<\/li>\n\n\n\n
    • Vkl\u00e1d\u00e1n\u00ed \u010d\u00e1stic<\/li>\n\n\n\n
    • Progresivn\u00ed eroze<\/li>\n<\/ul>\n\n\n\n

      V\u00fdsledkem jsou ni\u017e\u0161\u00ed n\u00e1roky na \u00fadr\u017ebu a del\u0161\u00ed provozn\u00ed \u017eivotnost za\u0159\u00edzen\u00ed.<\/p>\n\n\n\n

      Siln\u00e1 kovalentn\u00ed vazba zabra\u0148uje odstra\u0148ov\u00e1n\u00ed materi\u00e1lu<\/h3>\n\n\n\n

      Odolnost proti opot\u0159eben\u00ed je ovlivn\u011bna nejen tvrdost\u00ed, ale tak\u00e9 pevnost\u00ed atomov\u00e9 vazby v materi\u00e1lu.<\/p>\n\n\n\n

      Siln\u00e9 kovalentn\u00ed vazby v karbidu k\u0159em\u00edku vy\u017eaduj\u00ed k p\u0159eru\u0161en\u00ed zna\u010dnou energii. P\u0159i t\u0159en\u00ed a kontaktn\u00edm zat\u00ed\u017een\u00ed z\u016fst\u00e1v\u00e1 krystalov\u00e1 m\u0159\u00ed\u017eka stabiln\u00ed, co\u017e sni\u017euje pravd\u011bpodobnost vzniku mikrotrhlin a odlou\u010den\u00ed materi\u00e1lu.<\/p>\n\n\n\n

      Tato vlastnost je d\u016fle\u017eit\u00e1 zejm\u00e9na u aplikac\u00ed, kter\u00e9 zahrnuj\u00ed:<\/p>\n\n\n\n

        \n
      • Mechanick\u00e1 t\u011bsn\u011bn\u00ed<\/li>\n\n\n\n
      • Lo\u017eiskov\u00e9 syst\u00e9my<\/li>\n\n\n\n
      • Manipula\u010dn\u00ed komponenty pro polovodi\u010de<\/li>\n\n\n\n
      • Vysokorychlostn\u00ed rota\u010dn\u00ed za\u0159\u00edzen\u00ed<\/li>\n<\/ul>\n\n\n\n

        N\u00edzk\u00e9 t\u0159en\u00ed a vynikaj\u00edc\u00ed povrchov\u00e1 \u00faprava<\/h3>\n\n\n\n

        Pokro\u010dil\u00e9 v\u00fdrobn\u00ed technologie umo\u017e\u0148uj\u00ed u keramiky z karbidu k\u0159em\u00edku dos\u00e1hnout vysoce le\u0161t\u011bn\u00fdch povrch\u016f s extr\u00e9mn\u011b n\u00edzk\u00fdmi hodnotami drsnosti.<\/p>\n\n\n\n

        Hlad\u0161\u00ed povrch sni\u017euje t\u0159en\u00ed mezi sty\u010dn\u00fdmi sou\u010d\u00e1stmi, co\u017e sni\u017euje m\u00edru opot\u0159eben\u00ed a minimalizuje vznik tepla b\u011bhem provozu.<\/p>\n\n\n\n

        Tato kombinace tvrdosti a n\u00edzk\u00e9ho t\u0159en\u00ed v\u00fdznamn\u011b p\u0159isp\u00edv\u00e1 k dlouhodob\u00e9 spolehlivosti sou\u010d\u00e1st\u00ed z karbidu k\u0159em\u00edku.<\/p>\n\n\n\n

        Pro\u010d karbid k\u0159em\u00edku nab\u00edz\u00ed vynikaj\u00edc\u00ed odolnost proti korozi<\/h2>\n\n\n\n

        Chemick\u00e1 inertnost v agresivn\u00edm prost\u0159ed\u00ed<\/h3>\n\n\n\n

        Jednou z nejpozoruhodn\u011bj\u0161\u00edch vlastnost\u00ed karbidu k\u0159em\u00edku je jeho odolnost v\u016f\u010di chemick\u00fdm vliv\u016fm.<\/p>\n\n\n\n

        Na rozd\u00edl od mnoha kov\u016f karbid k\u0159em\u00edku za b\u011b\u017en\u00fdch provozn\u00edch podm\u00ednek nereaguje snadno s kyselinami, z\u00e1sadami, solemi ani organick\u00fdmi rozpou\u0161t\u011bdly. Jeho siln\u00e9 vazby mezi k\u0159em\u00edkem a uhl\u00edkem vytv\u00e1\u0159ej\u00ed vysoce stabiln\u00ed strukturu, kter\u00e1 z\u016fst\u00e1v\u00e1 t\u00e9m\u011b\u0159 neovlivn\u011bna korozivn\u00edmi m\u00e9dii.<\/p>\n\n\n\n

        Karbid k\u0159em\u00edku vykazuje vynikaj\u00edc\u00ed odolnost v\u016f\u010di:<\/p>\n\n\n\n

          \n
        • Kyselina s\u00edrov\u00e1<\/li>\n\n\n\n
        • Kyselina chlorovod\u00edkov\u00e1<\/li>\n\n\n\n
        • Kyselina dusi\u010dn\u00e1<\/li>\n\n\n\n
        • Organick\u00e9 chemik\u00e1lie<\/li>\n\n\n\n
        • Pr\u016fmyslov\u00e1 rozpou\u0161t\u011bdla<\/li>\n\n\n\n
        • Prost\u0159ed\u00ed obsahuj\u00edc\u00ed s\u016fl<\/li>\n<\/ul>\n\n\n\n

          D\u00edky t\u00e9to chemick\u00e9 stabilit\u011b je SiC ide\u00e1ln\u00edm materi\u00e1lem pro syst\u00e9my chemick\u00e9ho zpracov\u00e1n\u00ed a za\u0159\u00edzen\u00ed pro v\u00fdrobu polovodi\u010d\u016f.<\/p>\n\n\n\n

          Ochrann\u00e1 vrstva oxidu k\u0159emi\u010dit\u00e9ho<\/h3>\n\n\n\n

          Karbid k\u0159em\u00edku p\u0159i vystaven\u00ed kysl\u00edku za zv\u00fd\u0161en\u00e9 teploty vytv\u00e1\u0159\u00ed na sv\u00e9m povrchu tenkou a hustou vrstvu oxidu k\u0159emi\u010dit\u00e9ho (SiO\u2082).<\/p>\n\n\n\n

          Tato vrstva oxidu p\u016fsob\u00ed jako ochrann\u00e1 bari\u00e9ra, kter\u00e1 zpomaluje dal\u0161\u00ed oxidaci a zabra\u0148uje rychl\u00e9 degradaci podkladov\u00e9ho materi\u00e1lu.<\/p>\n\n\n\n

          Oxida\u010dn\u00ed reakci lze zjednodu\u0161it takto:<\/p>\n\n\n\n

          SiC + O\u2082 \u2192 SiO\u2082 + CO\u2082<\/p>\n\n\n\n

          Vznikl\u00fd oxidov\u00fd film je vysoce stabiln\u00ed a p\u0159isp\u00edv\u00e1 k vynikaj\u00edc\u00ed odolnosti materi\u00e1lu proti korozi p\u0159i vysok\u00fdch teplot\u00e1ch.<\/p>\n\n\n\n

          Odolnost proti elektrochemick\u00e9 korozi<\/h3>\n\n\n\n

          Kovy \u010dasto podl\u00e9haj\u00ed elektrochemick\u00e9 korozi v d\u016fsledku galvanick\u00fdch reakc\u00ed a vlivu prost\u0159ed\u00ed. Karbid k\u0159em\u00edku je v\u0161ak keramick\u00fd materi\u00e1l, a proto u n\u011bj nedoch\u00e1z\u00ed k b\u011b\u017en\u00fdm mechanism\u016fm elektrochemick\u00e9 koroze.<\/p>\n\n\n\n

          D\u00edky tomu si SiC komponenty zachov\u00e1vaj\u00ed sv\u016fj v\u00fdkon i ve vlhk\u00e9m, chemicky agresivn\u00edm nebo elektricky aktivn\u00edm prost\u0159ed\u00ed, kde by kovov\u00e9 materi\u00e1ly mohly rychle degradovat.<\/p>\n\n\n\n

          Srovn\u00e1n\u00ed s jin\u00fdmi technick\u00fdmi materi\u00e1ly<\/h2>\n\n\n\n
          Materi\u00e1l<\/td>Odolnost proti opot\u0159eben\u00ed<\/td>Odolnost proti korozi<\/td>Stabilita p\u0159i vysok\u00fdch teplot\u00e1ch<\/td><\/tr>
          Nerezov\u00e1 ocel<\/td>M\u00edrn\u00e1<\/td>Dobr\u00fd<\/td>M\u00edrn\u00e1<\/td><\/tr>
          Keramick\u00fd oxid hlinit\u00fd<\/td>Vysok\u00e1<\/td>Vynikaj\u00edc\u00ed<\/td>Vysok\u00e1<\/td><\/tr>
          Zirkonov\u00e1 keramika<\/td>Vysok\u00e1<\/td>Vynikaj\u00edc\u00ed<\/td>M\u00edrn\u00e1<\/td><\/tr>
          Keramika z karbidu k\u0159em\u00edku<\/td>Vynikaj\u00edc\u00ed<\/td>Vynikaj\u00edc\u00ed<\/td>Vynikaj\u00edc\u00ed<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

          V porovn\u00e1n\u00ed s kovov\u00fdmi materi\u00e1ly nab\u00edz\u00ed karbid k\u0159em\u00edku v\u00fdrazn\u011b del\u0161\u00ed \u017eivotnost v abrazivn\u00edm a korozivn\u00edm prost\u0159ed\u00ed. Ve srovn\u00e1n\u00ed s mnoha tradi\u010dn\u00edmi keramick\u00fdmi materi\u00e1ly poskytuje lep\u0161\u00ed rovnov\u00e1hu mezi odolnost\u00ed proti opot\u0159eben\u00ed, tepelnou vodivost\u00ed a stabilitou p\u0159i vysok\u00fdch teplot\u00e1ch.<\/p>\n\n\n\n

          Pr\u016fmyslov\u00e9 aplikace<\/h2>\n\n\n\n

          V\u00fdroba polovodi\u010d\u016f<\/h3>\n\n\n\n

          Karbid k\u0159em\u00edku se \u0161iroce pou\u017e\u00edv\u00e1 v za\u0159\u00edzen\u00edch na zpracov\u00e1n\u00ed polovodi\u010d\u016f, v\u010detn\u011b:<\/p>\n\n\n\n

            \n
          • Oplatkov\u00e9 lod\u011b<\/li>\n\n\n\n
          • Nosi\u010de oplatek<\/li>\n\n\n\n
          • Zaost\u0159ovac\u00ed krou\u017eky<\/li>\n\n\n\n
          • Koncov\u00e9 efektory<\/li>\n\n\n\n
          • Komponenty procesn\u00ed komory<\/li>\n<\/ul>\n\n\n\n

            D\u00edky sv\u00e9 odolnosti v\u016f\u010di plazmov\u00e9 erozi, vysok\u00fdm teplot\u00e1m a korozivn\u00edm procesn\u00edm plyn\u016fm je velmi vhodn\u00fd pro pokro\u010dilou v\u00fdrobu polovodi\u010d\u016f.<\/p>\n\n\n\n

            Pr\u016fmysl chemick\u00e9ho zpracov\u00e1n\u00ed<\/h3>\n\n\n\n

            V chemick\u00fdch provozech se karbid k\u0159em\u00edku b\u011b\u017en\u011b pou\u017e\u00edv\u00e1 v:<\/p>\n\n\n\n

              \n
            • Mechanick\u00e1 t\u011bsn\u011bn\u00ed<\/li>\n\n\n\n
            • Sou\u010d\u00e1sti \u010derpadla<\/li>\n\n\n\n
            • V\u00fdm\u011bn\u00edky tepla<\/li>\n\n\n\n
            • Reak\u010dn\u00ed n\u00e1doby<\/li>\n<\/ul>\n\n\n\n

              Jejich schopnost odol\u00e1vat agresivn\u00edm chemik\u00e1li\u00edm v\u00fdrazn\u011b sni\u017euje n\u00e1klady na \u00fadr\u017ebu a prostoje.<\/p>\n\n\n\n

              T\u011b\u017eebn\u00ed a energetick\u00fd pr\u016fmysl<\/h3>\n\n\n\n

              Ve vysoce abrazivn\u00edch prost\u0159ed\u00edch, jako je t\u011b\u017eba a v\u00fdroba energie, se karbid k\u0159em\u00edku pou\u017e\u00edv\u00e1 pro:<\/p>\n\n\n\n

                \n
              • Opot\u0159ebovan\u00e9 vlo\u017eky<\/li>\n\n\n\n
              • Trysky<\/li>\n\n\n\n
              • Sou\u010d\u00e1sti cyklonu<\/li>\n\n\n\n
              • Syst\u00e9my pro manipulaci s kejdou<\/li>\n<\/ul>\n\n\n\n

                Jeho v\u00fdjime\u010dn\u00e1 odolnost proti opot\u0159eben\u00ed pom\u00e1h\u00e1 prodlou\u017eit \u017eivotnost za\u0159\u00edzen\u00ed v n\u00e1ro\u010dn\u00fdch provozn\u00edch podm\u00ednk\u00e1ch.<\/p>\n\n\n\n

                V\u00fdhled do budoucna<\/h2>\n\n\n\n

                Vzhledem k tomu, \u017ee pr\u016fmyslov\u00e1 odv\u011btv\u00ed se st\u00e1le posouvaj\u00ed sm\u011brem k vy\u0161\u0161\u00ed \u00fa\u010dinnosti, vy\u0161\u0161\u00edm teplot\u00e1m a agresivn\u011bj\u0161\u00edm zpracovatelsk\u00fdm prost\u0159ed\u00edm, o\u010dek\u00e1v\u00e1 se, \u017ee popt\u00e1vka po pokro\u010dil\u00fdch keramick\u00fdch materi\u00e1lech rychle poroste.<\/p>\n\n\n\n

                Keramika z karbidu k\u0159em\u00edku m\u00e1 obzvl\u00e1\u0161t\u011b dobrou pozici, aby mohla t\u011b\u017eit z v\u00fdvoje v oblasti:<\/p>\n\n\n\n

                  \n
                • V\u00fdroba polovodi\u010d\u016f<\/li>\n\n\n\n
                • Elektrick\u00e1 vozidla<\/li>\n\n\n\n
                • Syst\u00e9my obnoviteln\u00fdch zdroj\u016f energie<\/li>\n\n\n\n
                • Leteck\u00e9 a kosmick\u00e9 in\u017een\u00fdrstv\u00ed<\/li>\n\n\n\n
                • Pokro\u010dil\u00e9 chemick\u00e9 zpracov\u00e1n\u00ed<\/li>\n<\/ul>\n\n\n\n

                  D\u00edky neust\u00e1l\u00e9mu zdokonalov\u00e1n\u00ed v\u00fdrobn\u00edch technologi\u00ed jsou tak\u00e9 vysoce v\u00fdkonn\u00e9 komponenty z karbidu k\u0159em\u00edku dostupn\u011bj\u0161\u00ed a cenov\u011b v\u00fdhodn\u011bj\u0161\u00ed.<\/p>\n\n\n\n

                  Z\u00e1v\u011br<\/h2>\n\n\n\n

                  Vynikaj\u00edc\u00ed odolnost karbidu k\u0159em\u00edku proti opot\u0159eben\u00ed a korozi je d\u00e1na jedine\u010dnou kombinac\u00ed vysok\u00e9 tvrdosti, siln\u00e9 kovalentn\u00ed vazby, n\u00edzk\u00e9 p\u00f3rovitosti a v\u00fdjime\u010dn\u00e9 chemick\u00e9 stability. Tyto vlastnosti umo\u017e\u0148uj\u00ed karbidu k\u0159em\u00edku p\u0159ekon\u00e1vat mnoh\u00e9 kovy a tradi\u010dn\u00ed keramiku v n\u00e1ro\u010dn\u00fdch pr\u016fmyslov\u00fdch prost\u0159ed\u00edch.<\/p>\n\n\n\n

                  Vzhledem k tomu, \u017ee modern\u00ed pr\u016fmysl st\u00e1le v\u00edce vy\u017eaduje materi\u00e1ly schopn\u00e9 pracovat v extr\u00e9mn\u00edch podm\u00ednk\u00e1ch, bude karbidov\u00e1 keramika i nad\u00e1le hr\u00e1t kl\u00ed\u010dovou roli p\u0159i zvy\u0161ov\u00e1n\u00ed spolehlivosti za\u0159\u00edzen\u00ed, prodlu\u017eov\u00e1n\u00ed \u017eivotnosti a sni\u017eov\u00e1n\u00ed n\u00e1klad\u016f na \u00fadr\u017ebu v \u0161irok\u00e9 \u0161k\u00e1le aplikac\u00ed.<\/p>\n\n\n\n

                  \u010cASTO KLADEN\u00c9 DOTAZY<\/h3>\n\n\n
                  \n
                  \n
                  \n

                  Pro\u010d je karbid k\u0159em\u00edku odoln\u011bj\u0161\u00ed proti opot\u0159eben\u00ed ne\u017e v\u011bt\u0161ina kov\u016f?<\/strong><\/h3>\n
                  \n\n

                  Karbid k\u0159em\u00edku m\u00e1 v\u00fdrazn\u011b vy\u0161\u0161\u00ed tvrdost a siln\u011bj\u0161\u00ed atomovou vazbu ne\u017e v\u011bt\u0161ina kovov\u00fdch materi\u00e1l\u016f, tak\u017ee je mnohem odoln\u011bj\u0161\u00ed proti od\u011bru, po\u0161kr\u00e1b\u00e1n\u00ed a degradaci povrchu.<\/strong><\/p>\n\n<\/div>\n<\/div>\n

                  \n

                  Odol\u00e1v\u00e1 karbid k\u0159em\u00edku siln\u00fdm kyselin\u00e1m a z\u00e1sad\u00e1m?<\/strong><\/h3>\n
                  \n\n

                  Ano. Karbid k\u0159em\u00edku vykazuje vynikaj\u00edc\u00ed chemickou stabilitu a odol\u00e1v\u00e1 mnoha kyselin\u00e1m, louh\u016fm, sol\u00edm a pr\u016fmyslov\u00fdm chemik\u00e1li\u00edm, tak\u017ee je vhodn\u00fd do korozivn\u00edho prost\u0159ed\u00ed.<\/p>\n\n<\/div>\n<\/div>\n

                  \n

                  V jak\u00fdch odv\u011btv\u00edch se b\u011b\u017en\u011b pou\u017e\u00edv\u00e1 keramika z karbidu k\u0159em\u00edku?<\/strong><\/h3>\n
                  \n\n

                  Keramika z karbidu k\u0159em\u00edku se \u0161iroce pou\u017e\u00edv\u00e1 p\u0159i v\u00fdrob\u011b polovodi\u010d\u016f, v chemick\u00e9m pr\u016fmyslu, v t\u011b\u017eebn\u00edm pr\u016fmyslu, p\u0159i v\u00fdrob\u011b energie, v letectv\u00ed a kosmonautice a v dal\u0161\u00edch pr\u016fmyslov\u00fdch odv\u011btv\u00edch vy\u017eaduj\u00edc\u00edch vysokou odolnost proti opot\u0159eben\u00ed a korozi.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n

                  <\/p>","protected":false},"excerpt":{"rendered":"

                  Advanced ceramic materials have become increasingly important in industries that demand exceptional durability, chemical stability, and long service life. Among these materials, silicon carbide (SiC) ceramics have gained widespread recognition for their outstanding wear resistance and corrosion resistance. As a result, silicon carbide components are widely used in semiconductor manufacturing, chemical processing, energy production, mining, […]<\/p>\n","protected":false},"author":1,"featured_media":2351,"comment_status":"open","ping_status":"open","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":"","ast-disable-related-posts":"","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":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"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-opacity":"","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-opacity":"","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-opacity":"","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-opacity":"","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-opacity":"","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-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[4],"tags":[665,46,324,663,660,254,70,311,658,81,71,38,662,664,661,659],"class_list":["post-2350","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical-insights","tag-abrasion-resistance","tag-advanced-ceramics","tag-ceramic-bearings","tag-chemical-resistance","tag-corrosion-resistance","tag-engineering-ceramics","tag-high-temperature-materials","tag-industrial-ceramics","tag-mechanical-seals","tag-semiconductor-manufacturing","tag-sic-ceramics","tag-silicon-carbide-ceramics","tag-silicon-carbide-properties","tag-wafer-boats","tag-wafer-carriers","tag-wear-resistance"],"_links":{"self":[{"href":"https:\/\/www.xkh-ceramics.com\/cs\/wp-json\/wp\/v2\/posts\/2350","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xkh-ceramics.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xkh-ceramics.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xkh-ceramics.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xkh-ceramics.com\/cs\/wp-json\/wp\/v2\/comments?post=2350"}],"version-history":[{"count":2,"href":"https:\/\/www.xkh-ceramics.com\/cs\/wp-json\/wp\/v2\/posts\/2350\/revisions"}],"predecessor-version":[{"id":2353,"href":"https:\/\/www.xkh-ceramics.com\/cs\/wp-json\/wp\/v2\/posts\/2350\/revisions\/2353"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xkh-ceramics.com\/cs\/wp-json\/wp\/v2\/media\/2351"}],"wp:attachment":[{"href":"https:\/\/www.xkh-ceramics.com\/cs\/wp-json\/wp\/v2\/media?parent=2350"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xkh-ceramics.com\/cs\/wp-json\/wp\/v2\/categories?post=2350"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xkh-ceramics.com\/cs\/wp-json\/wp\/v2\/tags?post=2350"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}