{"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\/vi\/why-silicon-carbide-ceramics-offer-superior-wear-and-corrosion-resistance\/","title":{"rendered":"T\u1ea1i sao g\u1ed1m cacbua silic l\u1ea1i c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 ch\u1ed1ng \u0103n m\u00f2n v\u01b0\u1ee3t tr\u1ed9i"},"content":{"rendered":"

V\u1eadt li\u1ec7u g\u1ed1m cao c\u1ea5p <\/a>\u0111\u00e3 ng\u00e0y c\u00e0ng tr\u1edf n\u00ean quan tr\u1ecdng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111\u00f2i h\u1ecfi \u0111\u1ed9 b\u1ec1n v\u01b0\u1ee3t tr\u1ed9i, t\u00ednh \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc v\u00e0 tu\u1ed5i th\u1ecd cao. Trong s\u1ed1 c\u00e1c v\u1eadt li\u1ec7u n\u00e0y, g\u1ed1m cacbua silic (SiC) \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn r\u1ed9ng r\u00e3i nh\u1edd kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 ch\u1ed1ng \u0103n m\u00f2n v\u01b0\u1ee3t tr\u1ed9i. Do \u0111\u00f3, c\u00e1c b\u1ed9 ph\u1eadn l\u00e0m t\u1eeb cacbua silic \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong s\u1ea3n xu\u1ea5t b\u00e1n d\u1eabn, ch\u1ebf bi\u1ebfn h\u00f3a ch\u1ea5t, s\u1ea3n xu\u1ea5t n\u0103ng l\u01b0\u1ee3ng, khai th\u00e1c m\u1ecf, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 k\u1ef9 thu\u1eadt c\u01a1 kh\u00ed.<\/p>\n\n\n\n

Hi\u1ec7u su\u1ea5t v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a g\u1ed1m cacbua silic kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a \u0111\u1ed9 c\u1ee9ng cao. Thay v\u00e0o \u0111\u00f3, n\u00f3 xu\u1ea5t ph\u00e1t t\u1eeb s\u1ef1 k\u1ebft h\u1ee3p \u0111\u1ed9c \u0111\u00e1o gi\u1eefa c\u1ea5u tr\u00fac tinh th\u1ec3, li\u00ean k\u1ebft nguy\u00ean t\u1eed m\u1ea1nh m\u1ebd, \u0111\u1ed9 x\u1ed1p th\u1ea5p v\u00e0 t\u00ednh tr\u01a1 h\u00f3a h\u1ecdc tuy\u1ec7t v\u1eddi. Vi\u1ec7c hi\u1ec3u r\u00f5 nh\u1eefng \u0111\u1eb7c t\u00ednh n\u00e0y gi\u00fap gi\u1ea3i th\u00edch l\u00fd do t\u1ea1i sao cacbua silic v\u1eabn l\u00e0 m\u1ed9t trong nh\u1eefng v\u1eadt li\u1ec7u k\u1ef9 thu\u1eadt \u0111\u00e1ng tin c\u1eady nh\u1ea5t trong c\u00e1c m\u00f4i tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng kh\u1eafc nghi\u1ec7t.<\/p>\n\n\n\n

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

C\u1ea5u tr\u00fac tinh th\u1ec3 v\u00e0 \u0111\u1eb7c t\u00ednh v\u1eadt li\u1ec7u<\/h2>\n\n\n\n

Cacbua silic l\u00e0 m\u1ed9t lo\u1ea1i g\u1ed1m h\u1ee3p ch\u1ea5t \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o t\u1eeb c\u00e1c nguy\u00ean t\u1eed silic v\u00e0 cacbon s\u1eafp x\u1ebfp theo m\u1ed9t m\u1ea1ng tinh th\u1ec3 c\u00f3 tr\u1eadt t\u1ef1 cao. C\u00e1c nguy\u00ean t\u1eed n\u00e0y \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi nhau b\u1eb1ng c\u00e1c li\u00ean k\u1ebft c\u1ed9ng h\u00f3a tr\u1ecb m\u1ea1nh, thu\u1ed9c lo\u1ea1i li\u00ean k\u1ebft h\u00f3a h\u1ecdc m\u1ea1nh nh\u1ea5t trong c\u00e1c v\u1eadt li\u1ec7u k\u1ef9 thu\u1eadt.<\/p>\n\n\n\n

C\u1ea5u tr\u00fac li\u00ean k\u1ebft n\u00e0y mang l\u1ea1i m\u1ed9t s\u1ed1 l\u1ee3i \u00edch quan tr\u1ecdng:<\/p>\n\n\n\n

    \n
  • \u0110\u1ed9 c\u1ee9ng c\u1ef1c cao<\/li>\n\n\n\n
  • M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i cao<\/li>\n\n\n\n
  • \u0110\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t tuy\u1ec7t v\u1eddi<\/li>\n\n\n\n
  • H\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t th\u1ea5p<\/li>\n\n\n\n
  • \u0110\u1ed9 tr\u01a1 h\u00f3a h\u1ecdc v\u01b0\u1ee3t tr\u1ed9i<\/li>\n<\/ul>\n\n\n\n

    \u0110\u1ed9 c\u1ee9ng c\u1ee7a cacbua silic th\u01b0\u1eddng \u0111\u1ea1t kho\u1ea3ng 25\u201330 GPa, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng lo\u1ea1i g\u1ed1m k\u1ef9 thu\u1eadt c\u1ee9ng nh\u1ea5t hi\u1ec7n c\u00f3 v\u00e0 ch\u1ec9 \u0111\u1ee9ng sau c\u00e1c v\u1eadt li\u1ec7u nh\u01b0 kim c\u01b0\u01a1ng v\u00e0 nitrua bo l\u1eadp ph\u01b0\u01a1ng.<\/p>\n\n\n\n

    C\u00e1c \u0111\u1eb7c t\u00ednh \u0111i\u1ec3n h\u00ecnh c\u1ee7a g\u1ed1m cacbua silic<\/h3>\n\n\n\n
    T\u00e0i s\u1ea3n<\/th>Gi\u00e1 tr\u1ecb \u0111i\u1ec3n h\u00ecnh<\/th><\/tr>
    M\u1eadt \u0111\u1ed9<\/td>3,1\u20133,2 g\/cm\u00b3<\/td><\/tr>
    \u0110\u1ed9 c\u1ee9ng (Vickers)<\/td>2500\u20133000 HV<\/td><\/tr>
    M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i<\/td>380\u2013450 GPa<\/td><\/tr>
    \u0110\u1ed9 d\u1eabn nhi\u1ec7t<\/td>120\u2013270 W\/m\u00b7K<\/td><\/tr>
    Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u0111a (kh\u00f4ng kh\u00ed)<\/td>L\u00ean \u0111\u1ebfn 1.600\u00b0C<\/td><\/tr>
    Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n<\/td>Tuy\u1ec7t v\u1eddi<\/td><\/tr>
    Kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n<\/td>Tuy\u1ec7t v\u1eddi<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    Nh\u1eefng \u0111\u1eb7c t\u00ednh n\u00e0y t\u1ea1o n\u00ean n\u1ec1n t\u1ea3ng cho kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 \u0103n m\u00f2n v\u01b0\u1ee3t tr\u1ed9i \u0111\u01b0\u1ee3c ghi nh\u1eadn trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p.<\/p>\n\n\n\n

    T\u1ea1i sao cacbua silic l\u1ea1i c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u01b0\u1ee3t tr\u1ed9i<\/h2>\n\n\n\n

    \u0110\u1ed9 c\u1ee9ng cao gi\u00fap gi\u1ea3m thi\u1ec3u h\u01b0 h\u1ecfng b\u1ec1 m\u1eb7t<\/h3>\n\n\n\n

    S\u1ef1 m\u00e0i m\u00f2n x\u1ea3y ra khi c\u00e1c b\u1ec1 m\u1eb7t li\u00ean t\u1ee5c t\u01b0\u01a1ng t\u00e1c d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a t\u1ea3i tr\u1ecdng c\u01a1 h\u1ecdc, d\u1eabn \u0111\u1ebfn vi\u1ec7c v\u1eadt li\u1ec7u b\u1ecb m\u00e0i m\u00f2n theo th\u1eddi gian. Do cacbua silic c\u00f3 \u0111\u1ed9 c\u1ee9ng c\u1ef1c cao, c\u00e1c h\u1ea1t m\u00e0i m\u00f2n kh\u00f3 c\u00f3 th\u1ec3 xuy\u00ean th\u1ee7ng ho\u1eb7c l\u00e0m x\u01b0\u1edbc b\u1ec1 m\u1eb7t.<\/p>\n\n\n\n

    Trong c\u00e1c m\u00f4i tr\u01b0\u1eddng ch\u1ecbu m\u00e0i m\u00f2n nh\u01b0 b\u01a1m b\u00f9n, ph\u1edbt, \u1ed5 tr\u1ee5c v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn van, b\u1ec1 m\u1eb7t cacbua silic duy tr\u00ec \u0111\u1ed9 b\u1ec1n v\u1eefng l\u00e2u h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi kim lo\u1ea1i v\u00e0 nhi\u1ec1u lo\u1ea1i g\u1ed1m s\u1ee9 th\u00f4ng th\u01b0\u1eddng.<\/p>\n\n\n\n

    \u0110\u1ed9 c\u1ee9ng cao gi\u00fap gi\u1ea3m thi\u1ec3u:<\/p>\n\n\n\n

      \n
    • V\u1ebft x\u01b0\u1edbc b\u1ec1 m\u1eb7t<\/li>\n\n\n\n
    • Bi\u1ebfn d\u1ea1ng v\u1eadt li\u1ec7u<\/li>\n\n\n\n
    • Nh\u00fang h\u1ea1t<\/li>\n\n\n\n
    • S\u1ef1 x\u00f3i m\u00f2n d\u1ea7n d\u1ea7n<\/li>\n<\/ul>\n\n\n\n

      Do \u0111\u00f3, thi\u1ebft b\u1ecb c\u00f3 nhu c\u1ea7u b\u1ea3o tr\u00ec th\u1ea5p h\u01a1n v\u00e0 tu\u1ed5i th\u1ecd ho\u1ea1t \u0111\u1ed9ng d\u00e0i h\u01a1n.<\/p>\n\n\n\n

      Li\u00ean k\u1ebft c\u1ed9ng h\u00f3a tr\u1ecb m\u1ea1nh ng\u0103n ch\u1eb7n s\u1ef1 bong tr\u00f3c v\u1eadt li\u1ec7u<\/h3>\n\n\n\n

      Kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n kh\u00f4ng ch\u1ec9 ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 c\u1ee9ng m\u00e0 c\u00f2n ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 b\u1ec1n c\u1ee7a li\u00ean k\u1ebft nguy\u00ean t\u1eed b\u00ean trong v\u1eadt li\u1ec7u.<\/p>\n\n\n\n

      C\u00e1c li\u00ean k\u1ebft c\u1ed9ng h\u00f3a tr\u1ecb b\u1ec1n v\u1eefng trong cacbua silic \u0111\u00f2i h\u1ecfi m\u1ed9t l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng l\u1edbn \u0111\u1ec3 ph\u00e1 v\u1ee1. Trong qu\u00e1 tr\u00ecnh ma s\u00e1t v\u00e0 ch\u1ecbu t\u1ea3i ti\u1ebfp x\u00fac, m\u1ea1ng tinh th\u1ec3 v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c s\u1ef1 \u1ed5n \u0111\u1ecbnh, t\u1eeb \u0111\u00f3 gi\u1ea3m thi\u1ec3u nguy c\u01a1 n\u1ee9t vi m\u00f4 v\u00e0 bong tr\u00f3c v\u1eadt li\u1ec7u.<\/p>\n\n\n\n

      \u0110\u1eb7c \u0111i\u1ec3m n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng trong c\u00e1c \u1ee9ng d\u1ee5ng li\u00ean quan \u0111\u1ebfn:<\/p>\n\n\n\n

        \n
      • Ph\u1ed1t c\u01a1 kh\u00ed<\/li>\n\n\n\n
      • H\u1ec7 th\u1ed1ng \u1ed5 tr\u1ee5c<\/li>\n\n\n\n
      • C\u00e1c linh ki\u1ec7n x\u1eed l\u00fd ch\u1ea5t b\u00e1n d\u1eabn<\/li>\n\n\n\n
      • Thi\u1ebft b\u1ecb quay t\u1ed1c \u0111\u1ed9 cao<\/li>\n<\/ul>\n\n\n\n

        \u0110\u1ed9 ma s\u00e1t th\u1ea5p v\u00e0 b\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n tuy\u1ec7t v\u1eddi<\/h3>\n\n\n\n

        C\u00e1c c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t ti\u00ean ti\u1ebfn cho ph\u00e9p g\u1ed1m cacbua silic \u0111\u1ea1t \u0111\u01b0\u1ee3c b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c \u0111\u00e1nh b\u00f3ng cao v\u1edbi \u0111\u1ed9 nh\u00e1m c\u1ef1c th\u1ea5p.<\/p>\n\n\n\n

        B\u1ec1 m\u1eb7t nh\u1eb5n h\u01a1n gi\u00fap gi\u1ea3m ma s\u00e1t gi\u1eefa c\u00e1c b\u1ed9 ph\u1eadn ti\u1ebfp x\u00fac v\u1edbi nhau, t\u1eeb \u0111\u00f3 l\u00e0m gi\u1ea3m t\u1ed1c \u0111\u1ed9 m\u00e0i m\u00f2n v\u00e0 h\u1ea1n ch\u1ebf t\u1ed1i \u0111a s\u1ef1 sinh nhi\u1ec7t trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh.<\/p>\n\n\n\n

        S\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa \u0111\u1ed9 c\u1ee9ng v\u00e0 h\u1ec7 s\u1ed1 ma s\u00e1t th\u1ea5p \u0111\u00f3ng g\u00f3p \u0111\u00e1ng k\u1ec3 v\u00e0o \u0111\u1ed9 tin c\u1eady l\u00e2u d\u00e0i c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn l\u00e0m t\u1eeb cacbua silic.<\/p>\n\n\n\n

        T\u1ea1i sao cacbua silic l\u1ea1i c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u01b0\u1ee3t tr\u1ed9i<\/h2>\n\n\n\n

        T\u00ednh tr\u01a1 h\u00f3a h\u1ecdc trong m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n<\/h3>\n\n\n\n

        M\u1ed9t trong nh\u1eefng \u0111\u1eb7c t\u00ednh n\u1ed5i b\u1eadt nh\u1ea5t c\u1ee7a cacbua silic l\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i s\u1ef1 \u0103n m\u00f2n h\u00f3a h\u1ecdc.<\/p>\n\n\n\n

        Kh\u00f4ng gi\u1ed1ng nh\u01b0 nhi\u1ec1u kim lo\u1ea1i kh\u00e1c, cacbua silic kh\u00f4ng d\u1ec5 d\u00e0ng ph\u1ea3n \u1ee9ng v\u1edbi axit, ki\u1ec1m, mu\u1ed1i hay dung m\u00f4i h\u1eefu c\u01a1 trong \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh b\u00ecnh th\u01b0\u1eddng. C\u00e1c li\u00ean k\u1ebft silic-carbon b\u1ec1n ch\u1eb7t c\u1ee7a n\u00f3 t\u1ea1o n\u00ean m\u1ed9t c\u1ea5u tr\u00fac c\u1ef1c k\u1ef3 \u1ed5n \u0111\u1ecbnh, h\u1ea7u nh\u01b0 kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi c\u00e1c m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n.<\/p>\n\n\n\n

        Cacbua silic th\u1ec3 hi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu tuy\u1ec7t v\u1eddi \u0111\u1ed1i v\u1edbi:<\/p>\n\n\n\n

          \n
        • Axit sunfuric<\/li>\n\n\n\n
        • Axit clohydric<\/li>\n\n\n\n
        • Axit nitric<\/li>\n\n\n\n
        • H\u00f3a ch\u1ea5t h\u1eefu c\u01a1<\/li>\n\n\n\n
        • Dung m\u00f4i c\u00f4ng nghi\u1ec7p<\/li>\n\n\n\n
        • M\u00f4i tr\u01b0\u1eddng ch\u1ee9a mu\u1ed1i<\/li>\n<\/ul>\n\n\n\n

          \u0110\u1eb7c t\u00ednh \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc n\u00e0y khi\u1ebfn SiC tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u l\u00fd t\u01b0\u1edfng cho c\u00e1c h\u1ec7 th\u1ed1ng x\u1eed l\u00fd h\u00f3a ch\u1ea5t v\u00e0 thi\u1ebft b\u1ecb s\u1ea3n xu\u1ea5t b\u00e1n d\u1eabn.<\/p>\n\n\n\n

          L\u1edbp oxit silic b\u1ea3o v\u1ec7<\/h3>\n\n\n\n

          Khi ti\u1ebfp x\u00fac v\u1edbi oxy \u1edf nhi\u1ec7t \u0111\u1ed9 cao, cacbua silic s\u1ebd t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp oxit silic (SiO\u2082) m\u1ecfng v\u00e0 \u0111\u1eb7c tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a n\u00f3.<\/p>\n\n\n\n

          L\u1edbp oxit n\u00e0y \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t l\u1edbp m\u00e0ng b\u1ea3o v\u1ec7, gi\u00fap l\u00e0m ch\u1eadm qu\u00e1 tr\u00ecnh oxy h\u00f3a ti\u1ebfp theo v\u00e0 ng\u0103n ch\u1eb7n s\u1ef1 xu\u1ed1ng c\u1ea5p nhanh ch\u00f3ng c\u1ee7a v\u1eadt li\u1ec7u b\u00ean d\u01b0\u1edbi.<\/p>\n\n\n\n

          Ph\u1ea3n \u1ee9ng oxi h\u00f3a c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c vi\u1ebft t\u00f3m t\u1eaft nh\u01b0 sau:<\/p>\n\n\n\n

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

          L\u1edbp m\u00e0ng oxit thu \u0111\u01b0\u1ee3c c\u00f3 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh cao v\u00e0 g\u00f3p ph\u1ea7n mang l\u1ea1i kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n \u1edf nhi\u1ec7t \u0111\u1ed9 cao v\u01b0\u1ee3t tr\u1ed9i cho v\u1eadt li\u1ec7u.<\/p>\n\n\n\n

          Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a<\/h3>\n\n\n\n

          C\u00e1c kim lo\u1ea1i th\u01b0\u1eddng b\u1ecb \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a do c\u00e1c ph\u1ea3n \u1ee9ng \u0111i\u1ec7n h\u00f3a v\u00e0 s\u1ef1 ti\u1ebfp x\u00fac v\u1edbi m\u00f4i tr\u01b0\u1eddng. Tuy nhi\u00ean, cacbua silic l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u g\u1ed1m, do \u0111\u00f3 kh\u00f4ng ch\u1ecbu t\u00e1c \u0111\u1ed9ng c\u1ee7a c\u00e1c c\u01a1 ch\u1ebf \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a th\u00f4ng th\u01b0\u1eddng.<\/p>\n\n\n\n

          Do \u0111\u00f3, c\u00e1c linh ki\u1ec7n SiC v\u1eabn duy tr\u00ec \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng ngay c\u1ea3 trong c\u00e1c m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt, c\u00f3 t\u00ednh \u0103n m\u00f2n h\u00f3a h\u1ecdc cao ho\u1eb7c c\u00f3 ho\u1ea1t t\u00ednh \u0111i\u1ec7n, n\u01a1i c\u00e1c v\u1eadt li\u1ec7u kim lo\u1ea1i c\u00f3 th\u1ec3 b\u1ecb suy gi\u1ea3m nhanh ch\u00f3ng.<\/p>\n\n\n\n

          So s\u00e1nh v\u1edbi c\u00e1c v\u1eadt li\u1ec7u k\u1ef9 thu\u1eadt kh\u00e1c<\/h2>\n\n\n\n
          Ch\u1ea5t li\u1ec7u<\/td>Kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n<\/td>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n<\/td>\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh \u1edf nhi\u1ec7t \u0111\u1ed9 cao<\/td><\/tr>
          Th\u00e9p kh\u00f4ng g\u1ec9<\/td>Trung b\u00ecnh<\/td>T\u1ed1t<\/td>Trung b\u00ecnh<\/td><\/tr>
          G\u1ed1m alumina<\/td>Cao<\/td>Tuy\u1ec7t v\u1eddi<\/td>Cao<\/td><\/tr>
          G\u1ed1m zirconia<\/td>Cao<\/td>Tuy\u1ec7t v\u1eddi<\/td>Trung b\u00ecnh<\/td><\/tr>
          G\u1ed1m cacbua silic<\/td>Xu\u1ea5t s\u1eafc<\/td>Xu\u1ea5t s\u1eafc<\/td>Xu\u1ea5t s\u1eafc<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

          So v\u1edbi c\u00e1c v\u1eadt li\u1ec7u kim lo\u1ea1i, cacbua silic c\u00f3 tu\u1ed5i th\u1ecd cao h\u01a1n \u0111\u00e1ng k\u1ec3 trong c\u00e1c m\u00f4i tr\u01b0\u1eddng m\u00e0i m\u00f2n v\u00e0 \u0103n m\u00f2n. So v\u1edbi nhi\u1ec1u lo\u1ea1i g\u1ed1m truy\u1ec1n th\u1ed1ng, v\u1eadt li\u1ec7u n\u00e0y mang l\u1ea1i s\u1ef1 c\u00e2n b\u1eb1ng t\u1ed1t h\u01a1n gi\u1eefa kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, \u0111\u1ed9 d\u1eabn nhi\u1ec7t v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh \u1edf nhi\u1ec7t \u0111\u1ed9 cao.<\/p>\n\n\n\n

          \u1ee8ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p<\/h2>\n\n\n\n

          S\u1ea3n xu\u1ea5t ch\u1ea5t b\u00e1n d\u1eabn<\/h3>\n\n\n\n

          Cacbua silic \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c thi\u1ebft b\u1ecb ch\u1ebf t\u1ea1o b\u00e1n d\u1eabn, bao g\u1ed3m:<\/p>\n\n\n\n

            \n
          • Thuy\u1ec1n ch\u1edf b\u00e1nh wafer<\/li>\n\n\n\n
          • Khay \u0111\u1ef1ng wafer<\/li>\n\n\n\n
          • V\u00f2ng l\u1ea5y n\u00e9t<\/li>\n\n\n\n
          • C\u00e1c b\u1ed9 ph\u1eadn \u0111\u1ea7u cu\u1ed1i<\/li>\n\n\n\n
          • C\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a bu\u1ed3ng x\u1eed l\u00fd<\/li>\n<\/ul>\n\n\n\n

            Kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i s\u1ef1 \u0103n m\u00f2n do plasma, nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 c\u00e1c lo\u1ea1i kh\u00ed qu\u00e1 tr\u00ecnh \u0103n m\u00f2n khi\u1ebfn v\u1eadt li\u1ec7u n\u00e0y tr\u1edf n\u00ean r\u1ea5t ph\u00f9 h\u1ee3p cho qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t b\u00e1n d\u1eabn ti\u00ean ti\u1ebfn.<\/p>\n\n\n\n

            Ng\u00e0nh c\u00f4ng nghi\u1ec7p ch\u1ebf bi\u1ebfn h\u00f3a ch\u1ea5t<\/h3>\n\n\n\n

            Trong c\u00e1c nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t, c\u00e1c b\u1ed9 ph\u1eadn l\u00e0m t\u1eeb cacbua silic th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong:<\/p>\n\n\n\n

              \n
            • Ph\u1ed1t c\u01a1 kh\u00ed<\/li>\n\n\n\n
            • C\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a m\u00e1y b\u01a1m<\/li>\n\n\n\n
            • B\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t<\/li>\n\n\n\n
            • B\u00ecnh ph\u1ea3n \u1ee9ng<\/li>\n<\/ul>\n\n\n\n

              Kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c c\u00e1c h\u00f3a ch\u1ea5t m\u1ea1nh c\u1ee7a ch\u00fang gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 chi ph\u00ed b\u1ea3o tr\u00ec v\u00e0 th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n\n\n

              Ng\u00e0nh khai kho\u00e1ng v\u00e0 n\u0103ng l\u01b0\u1ee3ng<\/h3>\n\n\n\n

              Trong c\u00e1c m\u00f4i tr\u01b0\u1eddng c\u00f3 \u0111\u1ed9 m\u00e0i m\u00f2n cao nh\u01b0 khai th\u00e1c m\u1ecf v\u00e0 s\u1ea3n xu\u1ea5t \u0111i\u1ec7n, cacbua silic \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3:<\/p>\n\n\n\n

                \n
              • M\u1eb7c qu\u1ea7n l\u00f3t<\/li>\n\n\n\n
              • \u0110\u1ea7u phun<\/li>\n\n\n\n
              • C\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a l\u1ed1c xo\u00e1y<\/li>\n\n\n\n
              • H\u1ec7 th\u1ed1ng x\u1eed l\u00fd b\u00f9n<\/li>\n<\/ul>\n\n\n\n

                Kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a n\u00f3 gi\u00fap k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd thi\u1ebft b\u1ecb trong \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh kh\u1eafc nghi\u1ec7t.<\/p>\n\n\n\n

                Tri\u1ec3n v\u1ecdng trong t\u01b0\u01a1ng lai<\/h2>\n\n\n\n

                Khi c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p ti\u1ebfp t\u1ee5c h\u01b0\u1edbng t\u1edbi hi\u1ec7u su\u1ea5t cao h\u01a1n, nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n v\u00e0 c\u00e1c m\u00f4i tr\u01b0\u1eddng ch\u1ebf bi\u1ebfn kh\u1eafc nghi\u1ec7t h\u01a1n, nhu c\u1ea7u v\u1ec1 v\u1eadt li\u1ec7u g\u1ed1m ti\u00ean ti\u1ebfn \u0111\u01b0\u1ee3c d\u1ef1 b\u00e1o s\u1ebd t\u0103ng tr\u01b0\u1edfng nhanh ch\u00f3ng.<\/p>\n\n\n\n

                G\u1ed1m cacbua silic \u0111\u1eb7c bi\u1ec7t c\u00f3 l\u1ee3i th\u1ebf \u0111\u1ec3 t\u1eadn d\u1ee5ng nh\u1eefng ti\u1ebfn b\u1ed9 trong:<\/p>\n\n\n\n

                  \n
                • S\u1ea3n xu\u1ea5t ch\u1ea5t b\u00e1n d\u1eabn<\/li>\n\n\n\n
                • Xe \u0111i\u1ec7n<\/li>\n\n\n\n
                • H\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o<\/li>\n\n\n\n
                • K\u1ef9 thu\u1eadt h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5<\/li>\n\n\n\n
                • C\u00f4ng ngh\u1ec7 ch\u1ebf bi\u1ebfn h\u00f3a h\u1ecdc ti\u00ean ti\u1ebfn<\/li>\n<\/ul>\n\n\n\n

                  Nh\u1eefng c\u1ea3i ti\u1ebfn li\u00ean t\u1ee5c trong c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t c\u0169ng \u0111ang gi\u00fap c\u00e1c linh ki\u1ec7n cacbua silic hi\u1ec7u su\u1ea5t cao tr\u1edf n\u00ean d\u1ec5 ti\u1ebfp c\u1eadn v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed h\u01a1n.<\/p>\n\n\n\n

                  K\u1ebft lu\u1eadn<\/h2>\n\n\n\n

                  Kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 ch\u1ed1ng \u0103n m\u00f2n v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a g\u1ed1m cacbua silic b\u1eaft ngu\u1ed3n t\u1eeb s\u1ef1 k\u1ebft h\u1ee3p \u0111\u1ed9c \u0111\u00e1o gi\u1eefa \u0111\u1ed9 c\u1ee9ng cao, li\u00ean k\u1ebft c\u1ed9ng h\u00f3a tr\u1ecb m\u1ea1nh, \u0111\u1ed9 x\u1ed1p th\u1ea5p v\u00e0 t\u00ednh \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc \u0111\u1eb7c bi\u1ec7t. Nh\u1eefng \u0111\u1eb7c t\u00ednh n\u00e0y gi\u00fap cacbua silic v\u01b0\u1ee3t tr\u1ed9i h\u01a1n nhi\u1ec1u lo\u1ea1i kim lo\u1ea1i v\u00e0 g\u1ed1m truy\u1ec1n th\u1ed1ng trong c\u00e1c m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p kh\u1eafc nghi\u1ec7t.<\/p>\n\n\n\n

                  Khi c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i ng\u00e0y c\u00e0ng \u0111\u00f2i h\u1ecfi c\u00e1c v\u1eadt li\u1ec7u c\u00f3 kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng trong \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t, g\u1ed1m cacbua silic s\u1ebd ti\u1ebfp t\u1ee5c \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c n\u00e2ng cao \u0111\u1ed9 tin c\u1eady c\u1ee7a thi\u1ebft b\u1ecb, k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd v\u00e0 gi\u1ea3m chi ph\u00ed b\u1ea3o tr\u00ec trong nhi\u1ec1u l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau.<\/p>\n\n\n\n

                  C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h3>\n\n\n
                  \n
                  \n
                  \n

                  T\u1ea1i sao cacbua silic l\u1ea1i c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao h\u01a1n h\u1ea7u h\u1ebft c\u00e1c kim lo\u1ea1i?<\/strong><\/h3>\n
                  \n\n

                  Cacbua silic c\u00f3 \u0111\u1ed9 c\u1ee9ng cao h\u01a1n \u0111\u00e1ng k\u1ec3 v\u00e0 li\u00ean k\u1ebft nguy\u00ean t\u1eed b\u1ec1n ch\u1eb7t h\u01a1n so v\u1edbi h\u1ea7u h\u1ebft c\u00e1c v\u1eadt li\u1ec7u kim lo\u1ea1i, nh\u1edd \u0111\u00f3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, tr\u1ea7y x\u01b0\u1edbc v\u00e0 s\u1ef1 xu\u1ed1ng c\u1ea5p b\u1ec1 m\u1eb7t t\u1ed1t h\u01a1n nhi\u1ec1u.<\/strong><\/p>\n\n<\/div>\n<\/div>\n

                  \n

                  Cacbua silic c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c axit v\u00e0 ki\u1ec1m m\u1ea1nh kh\u00f4ng?<\/strong><\/h3>\n
                  \n\n

                  \u0110\u00fang v\u1eady. Cacbua silic c\u00f3 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc r\u1ea5t cao v\u00e0 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec1u lo\u1ea1i axit, ki\u1ec1m, mu\u1ed1i v\u00e0 h\u00f3a ch\u1ea5t c\u00f4ng nghi\u1ec7p, do \u0111\u00f3 r\u1ea5t ph\u00f9 h\u1ee3p \u0111\u1ec3 s\u1eed d\u1ee5ng trong c\u00e1c m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n.<\/p>\n\n<\/div>\n<\/div>\n

                  \n

                  Nh\u1eefng ng\u00e0nh c\u00f4ng nghi\u1ec7p n\u00e0o th\u01b0\u1eddng s\u1eed d\u1ee5ng g\u1ed1m cacbua silic?<\/strong><\/h3>\n
                  \n\n

                  G\u1ed1m cacbua silic \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong s\u1ea3n xu\u1ea5t ch\u1ea5t b\u00e1n d\u1eabn, ch\u1ebf bi\u1ebfn h\u00f3a ch\u1ea5t, khai th\u00e1c m\u1ecf, s\u1ea3n xu\u1ea5t n\u0103ng l\u01b0\u1ee3ng, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c \u0111\u00f2i h\u1ecfi kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 ch\u1ed1ng \u0103n m\u00f2n cao.<\/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\/vi\/wp-json\/wp\/v2\/posts\/2350","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xkh-ceramics.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xkh-ceramics.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xkh-ceramics.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xkh-ceramics.com\/vi\/wp-json\/wp\/v2\/comments?post=2350"}],"version-history":[{"count":2,"href":"https:\/\/www.xkh-ceramics.com\/vi\/wp-json\/wp\/v2\/posts\/2350\/revisions"}],"predecessor-version":[{"id":2353,"href":"https:\/\/www.xkh-ceramics.com\/vi\/wp-json\/wp\/v2\/posts\/2350\/revisions\/2353"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xkh-ceramics.com\/vi\/wp-json\/wp\/v2\/media\/2351"}],"wp:attachment":[{"href":"https:\/\/www.xkh-ceramics.com\/vi\/wp-json\/wp\/v2\/media?parent=2350"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xkh-ceramics.com\/vi\/wp-json\/wp\/v2\/categories?post=2350"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xkh-ceramics.com\/vi\/wp-json\/wp\/v2\/tags?post=2350"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}