Green silicon carbide ndi wakuda silicon carbide: Kusiyana kwakukulu kuposa mtundu
M'munda waukulu wazinthu zamafakitale,green silicon carbidendiwakuda silicon carbide nthawi zambiri amatchulidwa pamodzi. Onsewa ndi ma abrasives ofunikira omwe amapangidwa ndi kutentha kwambiri kusungunula m'ng'anjo zolimbana ndi zida zopangira monga mchenga wa quartz ndi petroleum coke, koma kusiyana kwawo ndikwambiri kuposa kusiyana kwamitundu pamtunda. Kuchokera pa kusiyana kobisika kwa zipangizo zopangira, kusiyanitsa kwa machitidwe a ntchito, kusiyana kwakukulu kwa zochitika zogwiritsira ntchito, kusiyana kumeneku kwagwirizanitsa ntchito zapadera za awiriwa m'munda wa mafakitale.
1 Kusiyanitsa kwa chiyero chakuthupi ndi mawonekedwe a kristalo kumatsimikizira mawonekedwe osiyanasiyana a awiriwa.
Green silicon carbideamapangidwa ndi petroleum coke ndi mchenga wa quartz monga zida zazikulu, ndipo amathira mchere woyenga. Kupyolera mu njirayi, zonyansa zimachepetsedwa kwambiri, ndipo kristalo ndi dongosolo lokhazikika la hexagonal lomwe lili ndi m'mphepete lakuthwa ndi ngodya. Kusintha kwazinthu zakuda silicon carbide ndikosavuta, ndipo palibe mchere womwe umawonjezeredwa. Zonyansa monga chitsulo ndi silicon zomwe zimasiyidwa muzopangirazi zimapangitsa kuti tinthu tating'onoting'ono tating'onoting'ono tating'ono ting'onoting'ono ting'onoting'ono ting'onoting'ono tating'ono ting'onoting'ono ting'onoting'ono ting'onoting'ono ting'onoting'ono ting'onoting'ono ting'onoting'ono ting'ono ting'ono ting'onoting'ono ting'onoting'ono ting'ono ting'ono ting'ono ting'ono ting'ono ting'ono ting'ono ting'ono ting'ono ting'ono ting'ono.
2 Kusiyana kwa zida ndi kapangidwe kazinthu kumabweretsa kusiyanasiyana kwazinthu ziwirizi.
Pankhani ya kuuma, kuuma kwa Mohs kwagreen silicon carbideili pafupi 9.5, yachiwiri kwa diamondi, ndipo imatha kukonza zinthu zolimba kwambiri; wakuda silicon carbide ndi pafupifupi 9.0, ndi kuuma pang'ono pang'ono. Pankhani ya kachulukidwe, silicon carbide yobiriwira ndi 3.20-3.25g/cm³, yokhala ndi mawonekedwe owundana; Black silicon carbide ndi 3.10-3.15g/cm³, yotayirira. Pankhani ya magwiridwe antchito, wobiriwira silicon carbide ali ndi chiyero chapamwamba, matenthedwe abwino amafuta, madulidwe amagetsi komanso kukana kutentha kwambiri, koma ndizovuta komanso zosavuta kusweka m'mphepete mwatsopano; Black silicon carbide imakhala ndi matenthedwe ocheperako pang'ono komanso ma conductivity amagetsi, kuchepa kwamphamvu, komanso kukana kwamphamvu kwa tinthu.
3 Kusiyana kwa magwiridwe antchito kumatsimikizira cholinga cha ntchito ziwirizi.
Green silicon carbide ili ndikuuma kwakukulundi particles lakuthwa, ndi bwino pokonza mkulu-kuuma ndi otsika-toughness zipangizo: m'munda sanali zitsulo, angagwiritsidwe ntchito magalasi akupera, ceramic kudula, semiconductor pakachitsulo chophika, ndi safiro kupukuta; pokonza zitsulo, imakhala ndi ntchito yabwino kwambiri yopangira zinthu monga simenti ya carbide ndi chitsulo cholimba, ndipo imagwiritsidwa ntchito kwambiri pazinthu monga mawilo opera ndi ma disc odulira. Black silicon carbide imagwiritsa ntchito zinthu zotsika kwambiri, zolimba kwambiri ndipo ndizoyenera kupangira zitsulo zosakhala ndi chitsulo ndi zinthu zokanira monga chitsulo choponyedwa, mkuwa ndi aluminiyamu. M'mawonekedwe ovuta monga kutulutsa zowonongeka ndi dzimbiri kuchotsa zitsulo, zakhala chisankho chofala m'makampani chifukwa cha mtengo wake wokwera mtengo.
Ngakhale wobiriwira silicon carbide ndiwakuda silicon carbideali m'gulu lazinthu za silicon carbide, mawonekedwe awo akuthupi ndi mankhwala komanso mawonekedwe ogwiritsira ntchito ndizosiyana kwambiri. Ndi ukadaulo wopitilira muyeso wa sayansi ndiukadaulo waukadaulo, silicon carbide yobiriwira ndi silicon carbide yakuda ikuyembekezeka kukulitsa ntchito zambiri m'magawo apamwamba kwambiri monga kupanga semiconductor, kugaya mwatsatanetsatane, ndi mphamvu zatsopano, kupereka chithandizo chofunikira kwambiri pakukula kwamakampani amakono.