M'dziko la mafakitale opanga mafakitale, nthawi zonse pamakhala zigawo zooneka bwino zomwe zimapatsa akatswiri amitu mutu - akhoza kukhala mapaipi opindika mu chida cholondola kapena zida zothandizira zomwe zimakhala ndi zovuta zowonongeka mu zipangizo zotentha kwambiri. Zigawozi, zomwe zimadziwika kuti "alien parts," nthawi zambiri zimakhala zovuta kupanga kuchokera ku zipangizo wamba chifukwa cha mawonekedwe awo apadera komanso malo ogwirira ntchito ovuta. Masiku ano, silicon carbide, zinthu zooneka ngati zosafunika, zikusintha mwakachetechete.
Ubwino wobadwa nawo wa zinthuzo
Kuti timvetse chifukwa chakesilicon carbideimatha kusintha magawo osagwirizana, choyamba tiyenera kuyang'ana "malamulo" ake. Izi mwachibadwa zimanyamula "majini abwino kwambiri" omwe amafunikira kuti apange mafakitale: kuuma kwake ndi kwachiwiri kwa diamondi, koma kumatha kupirira kutentha kwakukulu ngati chitsulo; Poyang'anizana ndi dzimbiri lamphamvu zidulo ndi alkalis, izo zimakhala zosasunthika; Ngakhale pakatentha kwambiri pafupi ndi dzuwa, imatha kukhalabe yokhazikika.
Kuphatikizika kwamakhalidwe kumeneku kunalola silicon carbide kupambana pamzere woyambira kuyambira pachiyambi. Tangoganizani kuti zida zina zikadali zovuta kuti zipangidwe mawonekedwe awa, silicon carbide ikuganiza kale momwe angapangire bwino. Mphamvu zake zapamwamba komanso kukhazikika kwake zimalola opanga kuti asasinthe mawonekedwe oyambira bwino kuti agwirizane ndi zinthu zakuthupi.
'Matsenga' osinthika komanso osiyanasiyana
Kukhala ndi zipangizo zabwino zokha sikokwanira. Kuti musinthe silicon carbide kukhala magawo osiyanasiyana owoneka bwino, "matsenga opangira" apadera amafunikiranso. Akatswiri masiku ano adziwa njira zosiyanasiyana zopangira silicon carbide "kumvera":
Cold isostatic pressing technology ili ngati kuyika "chovala chokwanira" chapadera pa silicon carbide powder. Pansi pa kupsyinjika kwakukulu, ufa ukhoza kutsatiridwa mofanana ndi tsatanetsatane wa nkhungu, ngakhale ziboliboli zovuta ndi machitidwe obisika akhoza kufotokozedwa molondola. Ukadaulo wa laser wotsogolere wamadzi uli ngati "mpeni wopangira" wosakhwima, wogwiritsa ntchito kuthamanga kwamadzi othamanga kwambiri kuti atsogolere laser ndikusema zida zosiyanasiyana zovuta pa silicon carbide, zomwe sizingayambitse kusweka kwa zinthu komanso kuonetsetsa kuti pamwamba pazikhala bwino.
Kupita patsogolo kwaukadaulo kumeneku kwamasula silicon carbide kuchokera ku zoumba zachikhalidwe monga "zowonongeka, zolimba, komanso zovuta kukonza". Mofanana ndi kuumba ndi dongo la rabara, teknoloji yamakono imalola ufa wa silicon carbide kuti uyambe kupanga thupi lomwe lili pafupi ndi mawonekedwe ake omaliza, ndiyeno amapita ku sintering yotentha kwambiri kuti ikhale yomalizidwa molimba, kuchepetsa kwambiri vuto la kukonzanso kotsatira.
Udindo Wodalirika M'malo Opambana
Chifukwa chiyani tiyenera kuyesetsa kwambiri kugwiritsa ntchito silicon carbide kuti tipange ziwalo zosakhazikika? Chifukwa nthawi zambiri, magawo opangidwa mwapaderawa amayenera kugwira ntchito m'malo ovuta kwambiri.
Mu ketulo yamphamvu ya asidi ya chomera chamankhwala, payipi yooneka ngati silicon carbide imatha kukana dzimbiri; M'madera otentha kwambiri a injini za ndege, mabatani opangidwa ndi silicon carbide amatha kupirira mayesero zikwizikwi; Pazida zolondola zopangira semiconductor, zida zooneka ngati silicon carbide zimatha kukhala zolondola. Muzochitika izi, mawonekedwe apadera sakutanthauza kuti awoneke bwino, koma kuti akwaniritse ntchito zenizeni - zikhoza kukhala kuti madzi aziyenda bwino, kapena akhoza kutaya kutentha mofanana.
Kuphatikizika kwa silicon carbide kumakhala pakutha kukwaniritsa zofunikira zamapangidwe osakhazikika komanso kugwira ntchito modalirika m'malo ovuta kwambiri kwa nthawi yayitali. Kuphatikizana kwa kukhwima ndi kusinthasintha kumeneku kwapangitsa kuti zikhale zofunikira kwambiri pakukula kwa mafakitale.
Tsogolo la kupanga mwamakonda
Ndi kupita patsogolo kwaukadaulo wopanga, kuthekera kosinthika kwa magawo owoneka ngati silicon carbide kukukulirakulira nthawi zonse. Kuchokera ku ma microstructures mamilimita angapo kupita kuzinthu zazikulu zamamita angapo kutalika, kuchokera ku kupinda kosavuta kupita ku polyhedra yovuta, silicon carbide ikuphwanya kumvetsetsa kwachilengedwe kwa anthu kwa zida zadothi.
Kwa mabizinesi, izi zikutanthauza kuti zitha kukhala zatsopano - osafunikiranso kuchepetsa malingaliro apangidwe a magawo wamba, ndikutha kukonza mayankho abwino kutengera zosowa zenizeni. Pagawo lonse la mafakitale, kutchuka kwa zida zowoneka ngati silicon carbide kukuyendetsa chitukuko cha zida kuti zikhale zogwira mtima kwambiri, zolimba, komanso zolondola.
Zida zamatsengazi, zomwe zimakhala ndi "mphamvu zolimba" komanso "luso laluso", zimasintha mapangidwe osakhazikika omwe kale anali pa pulaniyo kukhala mphamvu zoyendetsera mafakitale.
Nthawi yotumiza: Aug-01-2025