Ubunyulu bomgubo weSiC buya kuchaphazela ngokuthe ngqo umgangatho kunye nokusebenza kwekristale enye yeSiC ekhuliswe ngendlela yePVT, kwaye izinto ezisetyenziswayo zokwenza umgubo weSiC zingumgubo weSi ococekileyo kakhulu kunye nomgubo weC ococekileyo kakhulu, kwaye ubunyulu bomgubo weC buya kuchaphazela ngokuthe ngqo ubunyulu bomgubo weSiC.
Izinto ezisetyenziswa kwimveliso ye-toner zihlala ziquka i-flake graphite, i-petroleum coke kunye ne-microcrystalline stone ink. Okukhona ubunyulu be-graphite buphezulu, kokukhona ixabiso lokusetyenziswa liphezulu. Iindlela zokucoca i-graphite zingahlulwa zibe ziindlela zomzimba kunye neendlela zeekhemikhali. Iindlela zokucoca umzimba ziquka i-flotation kunye nokucoca ubushushu obuphezulu, kwaye iindlela zokucoca iikhemikhali ziquka indlela ye-acid-base, indlela ye-hydrofluoric acid kunye nendlela yokubhaka i-chloride. Phakathi kwazo, indlela yokucoca ubushushu obuphezulu ingasebenzisa i-high melting point (3773K) kunye ne-bolling point ye-graphite ukuze kufezekiswe i-4N5 kunye nobunyulu obuphezulu, okubandakanya ukufuma kunye nokukhupha ukungcola nge-low steaming point, ukuze kufezekiswe injongo yokucoca [6]. Itekhnoloji ephambili ye-high purification toner kukususa ukungcola okuncinci. Idityaniswe neempawu zokucoca iikhemikhali kunye nokucoca ubushushu obuphezulu, inkqubo yokucoca i-thermochemical edibeneyo eyahlukileyo iyasetyenziswa ukuze kufezekiswe ukuhlanjululwa kwezinto ze-toner ezicocekileyo kakhulu, kwaye ubunyulu bemveliso bunokuba ngaphezulu kwe-6N.
Ukusebenza kwemveliso kunye neempawu zayo:
1, ubunyulu bemveliso≥99.9999% (6N);
2, uzinzo oluphezulu lwe-carbon powder, inqanaba eliphezulu le-graphitization, ukungcola okuncinci;
3, ubuncinci kunye nohlobo zingenziwa ngokwezifiso ngokwendlela abasebenzisi abacinga ngayo.
Iindlela eziphambili zokusetyenziswa kwemveliso:
■ Ukwenziwa komgubo we-SiC ococekileyo kakhulu kunye nezinye izinto ze-carbide ezenziweyo zesigaba esiqinileyo
■ Khulisa iidayimani
■ Izixhobo ezintsha zokuqhuba ubushushu kwiimveliso ze-elektroniki
■ Izinto ze-cathode zebhetri ye-lithium ephezulu
■ Iikhompawundi zesinyithi ezixabisekileyo nazo zizinto ezisetyenziswa ngokwemvelo
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