Pankhani yopanga mafakitale, zida za ceramic zikulemba nthano yatsopano. Mosiyana ndi zombo zadothi m'moyo watsiku ndi tsiku, zoumba zamafakitale zawonetsa ntchito yawo yabwino kwambiri pazinthu zazikulu monga zitsulo, uinjiniya wamankhwala, ndi mphamvu zatsopano. Aluminiyamu okusayidi, silicon nitride, zirconium okusayidi ndi zipangizo zina ali ndi makhalidwe awo, koma zikafika pa mphamvu amphamvu mabuku "wozungulira player",silicon carbide ceramicsmosakayika zabwino kwambiri.
Zoumba za aluminiyamu zili ngati amisiri achikhalidwe, omwe amadziwika ndi kulimba kwawo komanso kukwanitsa kukwanitsa, koma amakonda kutenthedwa ndi kutentha kwambiri. Zida za ceramic za silicon nitride, monga zida zolondola, zimakhala ndi mphamvu zowotcha kwambiri, koma zimatha kuwonetsa "nthiti zofewa" m'malo owononga. Zirconia ceramics ali ngati asilikali apadera, omwe amadziwika ndi kulimba mtima kwawo, koma amatha "kupuma" kumayambiriro kwa nkhondo zotentha kwambiri komanso nthawi yaitali.
Mosiyana ndi izi, zoumba za silicon carbide zawonetsa mphamvu zochulukirapo. Chida cha kristalo ichi, chomwe chimamangidwa molimba ndi maatomu a silicon carbon, mwachibadwa chimakhala ndi zabwino zitatu zazikuluzikulu: mphamvu yake yotentha kwambiri imapangitsa kuti ikhale "bata" m'malo otentha kwambiri, kukana kwake kuvala kumapangitsa kukhala "olimba mtima" pakugwira ntchito movutikira, ndipo kukhazikika kwake kwapadera kwamankhwala kuli ngati chishango choteteza zachilengedwe, kukana zowononga zamitundu yosiyanasiyana.
Pankhani ya kasamalidwe ka matenthedwe, kutenthetsa kwa silicon carbide ceramics kuwirikiza katatu kuposa chitsulo wamba. "Talente yowononga kutentha" iyi yobadwa nayo imapangitsa kukhala chisankho choyenera kwa ng'anjo zotentha kwambiri ndi magawo a semiconductor. Poyang'anizana ndi vuto la kung'ambika, kuuma kwake kumakhala kwachiwiri kwa diamondi, kuwonetsa moyo wautali wautumiki muzochitika monga makina amigodi ndi mapaipi oyendera. Chomwe chimakhala chosowa kwambiri ndi chakuti zinthuzi zimatha kusunga mtundu wake wachilengedwe ngakhale m'malo owononga monga ma acid amphamvu, ogwirizana bwino ndi zosowa zapadera za zida zama mankhwala.
Ndi chitukuko champhamvu cha makampani opanga mphamvu zatsopano, zoumba za silicon carbide zikutsegula madera atsopano ogwiritsira ntchito. Pamalo opangira mphamvu ya photovoltaic, imakhala yabwino kwambiri yolimbana ndi nyengo; Pa mzere wopangira batire la lithiamu, wasinthidwa kukhala mbale zolondola kwambiri za sintered. Kuthekera kwa "kudutsa malire" kumeneku kumachokera ku kuphatikiza kwake kwapadera - kumatha kupirira kutentha kosalekeza kwa 1350 ℃ ndikugwira ntchito mokhazikika kumalo ozizira kwambiri a -60 ℃.
Monga akatswiri aukadaulo omwe amakhudzidwa kwambiri ndi zinthu za silicon carbide ceramics, timakulitsa mosalekeza mapangidwe azinthu ndi njira zopangira sintering, ndikusunga zabwino zathu zachikhalidwe, kuwongolera mphamvu zamakina ndi kulondola kwazinthu. Kupyolera muyeso yeniyeni yazinthu zopangira ndi luso lamakono la sintering, malonda athu asintha kwambiri kudalirika pansi pa zovuta zogwirira ntchito, kupereka chitsimikizo cholimba cha zipangizo zamakono zamakono.
Kusankha zida za ceramic zamafakitale kumafuna kulinganiza pakati pa magwiridwe antchito ndi mtengo. Silicon carbide ceramics, ndi zabwino zake zotsika mtengo, akutanthauziranso miyezo ya mafakitale - kuchepetsa kusinthasintha kwafupipafupi ndi moyo wautali, kuchepetsa mtengo wokonza ndi ntchito yokhazikika, ndi kuphweka kusankha zipangizo ndi ntchito zambiri. Izi zitha kukhala chifukwa chomwe mainjiniya ochulukira akuzilemba ngati chinthu chomwe amakonda.
Tikamalankhula za kupita patsogolo kwa mafakitale, kusinthika kwazinthu nthawi zambiri kumakhala kofunika kwambiri komanso kofunikira kwambiri. Kusinthika kosalekeza kwa zoumba za silicon carbide sikungoyimira kutsogola kwaukadaulo wa ceramic, komanso kukuwonetsanso kudumpha kwina pakupanga mafakitale. Munthawi ino yofuna kuchita bwino kwambiri, zinthu za ceramic "zoganiza" izi zikutsegula malo atsopano opangira zinthu zamakono.
Nthawi yotumiza: May-06-2025