Silicon carbide ceramicsndizofunika kwambiri m'mafakitale osiyanasiyana chifukwa cha katundu wawo wapadera, kuphatikizapo kuuma kwakukulu, kutsika kochepa komanso kukana kutentha kwambiri. Izi zimapangitsa silicon carbide (SiC) kukhala chisankho chabwino chogwiritsa ntchito muukadaulo wamakina, mafakitale amafuta ndi zitsulo, ma kilns aku mafakitale ndi zida zosiyanasiyana zotenthetsera. Nkhaniyi ikuyang'ana mozama za ntchito zambiri za silicon carbide ceramics, kuwonetsa kufunikira kwake pakupanga zamakono ndi mafakitale.
Pankhani ya uinjiniya wamakina, zoumba za silicon carbide zimagwiritsidwa ntchito kwambiri chifukwa cha kuuma kwawo komanso kukana kuvala. Zidazi ndizofunikira makamaka popanga tinthu tating'onoting'ono toteteza ndi kuvala zida zomwe zimafunikira kulimba komanso kudalirika. Silicon carbide imatha kupirira kutentha kwambiri popanda kupotoza kapena kutaya kukhulupirika, ndikupangitsa kuti ikhale yoyenera kugwiritsidwa ntchito pamakina apamwamba kwambiri. Pamene mafakitale akupitilizabe kufuna zida zogwirira ntchito komanso zolimba, ntchito ya silicon carbide ceramics mu engineering yama makina ikuyembekezeka kukula kwambiri.
Makampani opanga mankhwala ndi zitsulo apindulanso kwambiri ndi silicon carbide ceramics. Zidazi zimakhala ndi kukana kwa dzimbiri, makamaka chitsulo chosungunuka, slag ndi zitsulo zamchere. Katunduyu ndi wofunikira kwambiri m'malo omwe zida zachikhalidwe zitha kulephera, zomwe zimapangitsa kuti pakhale nthawi yotsika mtengo komanso yokonza. Makamaka, opitilira 65% a ng'anjo zazikulu zophulika padziko lonse lapansi amagwiritsa ntchito zida za silicon nitride zomangidwa ndi silicon carbide ngati zida zamoto. Izi sizimangowonjezera moyo wautumiki wa ng'anjo zophulika ndi 20-40%, komanso zimathandizira magwiridwe antchito. Kuphatikiza apo, silicon carbide ceramics imagwiritsidwanso ntchito ngati zomangira ng'anjo ndi ma crucibles osungunula zitsulo monga aluminiyamu, mkuwa ndi zinki, kuwonetsa kusinthasintha kwake pakugwiritsa ntchito kutentha kwambiri.
M'mafakitale owukira, zoumba za silicon carbide zimagwira ntchito yofunikira pakuwongolera magwiridwe antchito komanso mphamvu zamagetsi. Kugwiritsa ntchito mipando ya silicon carbide ng'anjo kumatha kuchepetsa kwambiri kulemera ndi zofunikira za malo, zomwe zimapindulitsa kwambiri mafakitale monga mafakitale opepuka, zomangira ndi zamagetsi. Kulemera kwapang'onopang'ono kwa zida za silicon carbide kumathandizira kukonza kagwiritsidwe ntchito ka mphamvu chifukwa mphamvu zochepa zimafunikira kutentha ng'anjo. Kuphatikiza apo, kukana kwabwino kwa zida za silicon carbide kumapangitsa kutentha kwamoto kukwera mwachangu, kupititsa patsogolo magwiridwe antchito a ng'anjo.
Zoumba za silicon carbide ndizofunikanso pazida zosiyanasiyana zotenthetsera zomwe zimagwiritsidwa ntchito ngati sintering, kusungunula, ndi zida zoyatsira kutentha. Kutentha kwachindunji ndi gasi kwakhala njira yabwino kwambiri m'njirazi chifukwa kumathandizira kuti kutentha kwabwino kumachepetsedwe ndikuchepetsa mpweya woipa, monga ma nitrogen oxides (NOx). Kugwiritsa ntchito silicon carbide pazida zotenthetserazi sikumangowonjezera magwiridwe antchito komanso kumagwirizana ndi zoyesayesa zapadziko lonse lapansi zochepetsera chilengedwe. Pamene mafakitale akuyesetsa kupeza njira zothanirana ndi chilengedwe, kufunikira kwa zoumba za silicon carbide zopangira zotenthetsera kukuyembekezeka kukula.
Kusinthasintha kwa silicon carbide ceramics kumapitilira kupitilira ntchito zachikhalidwe pomwe akugwiritsidwa ntchito kwambiri muukadaulo wapamwamba. Mwachitsanzo, mu gawo la zamagetsi, silicon carbide imagwiritsidwa ntchito popanga ma semiconductors ndi zida zamagetsi. Kuthamanga kwapamwamba kwamafuta komanso kutsekemera kwamagetsi kwa silicon carbide kumapangitsa kuti ikhale yabwino pamagetsi othamanga kwambiri komanso kutentha kwambiri. Pomwe kufunikira kwa zida zamagetsi zamagetsi zogwira ntchito bwino komanso zodalirika zikupitilira kukula, zoumba za silicon carbide zikuyembekezeka kutenga gawo lalikulu pakupanga zamagetsi mtsogolo.
Kuphatikiza apo, mafakitale apamlengalenga ndi magalimoto ayamba kuzindikira kuthekera kwa silicon carbide ceramics pazinthu zopepuka, zamphamvu kwambiri. Kutha kwa Silicon carbide kupirira kutentha kwambiri komanso malo owopsa kumapangitsa kuti ikhale njira yabwino yopangira zinthu monga ma turbine blade, ma brake disc, ndi zinthu zina zofunika kwambiri. Pamene mafakitalewa akufuna kupititsa patsogolo mphamvu zamafuta ndi kuchepetsa mpweya, kuphatikiza zoumba za silicon carbide pamapangidwe awo zitha kupititsa patsogolo magwiridwe antchito komanso kukhazikika.
Mwachidule, ntchito za silicon carbide ceramics ndizosiyanasiyana, chifukwa cha mawonekedwe awo apadera komanso ubwino wake. Kuchokera ku uinjiniya wamakina mpaka kukonza mankhwala, ng'anjo zam'mafakitale ndi zamagetsi zapamwamba, zoumba za silicon carbide zatsimikizira kuti ndizofunikira kwambiri popanga zamakono. Pomwe ukadaulo ukupitilirabe patsogolo, kuthekera kwa zoumba za silicon carbide kuti zithandizire pamayankho anzeru ndi machitidwe okhazikika zidzangowonjezeka. Tsogolo la silicon carbide ceramics likulonjeza, ndipo kafukufuku wopitilira ndi chitukuko akutsegulira njira zatsopano zogwiritsira ntchito komanso kupititsa patsogolo magwiridwe antchito m'magawo osiyanasiyana.
Nthawi yotumiza: Mar-29-2025