CVD (Chemical Vapor Deposition) ndi njira yomwe imagwiritsidwa ntchito kwambiri pokonzekera zokutira za silicon carbide.Zophimba za CVD silicon carbideali ndi makhalidwe ambiri apadera ogwirira ntchito. Nkhaniyi ifotokoza njira yokonzekera CVD silicon carbide coating ndi makhalidwe ake ogwirira ntchito.
1. Njira yokonzekeraChophimba cha CVD silicon carbide
Njira ya CVD imasintha ma precursors a gaseous kukhala zophimba zolimba za silicon carbide pansi pa kutentha kwambiri. Malinga ndi ma precursors osiyanasiyana a gaseous, imatha kugawidwa m'ma CVD a gas phase ndi CVD ya liquid phase.
1. CVD ya gawo la nthunzi
Gawo la nthunzi la CVD limagwiritsa ntchito zoyambira mpweya, zomwe nthawi zambiri zimakhala zophatikizana ndi organosilicon, kuti zikwaniritse kukula kwa mafilimu a silicon carbide. Ma compound a organosilicon omwe amagwiritsidwa ntchito kwambiri ndi monga methylsilane, dimethylsilane, monosilane, ndi zina zotero, zomwe zimapanga mafilimu a silicon carbide pazitsulo zachitsulo ponyamula zoyambira mpweya kupita kuzipinda zoyambira kutentha kwambiri. Malo otentha kwambiri m'chipinda choyambira nthawi zambiri amapangidwa ndi kutentha kwa induction kapena kutentha kotsutsa.
2. CVD ya gawo lamadzimadzi
CVD yamadzimadzi imagwiritsa ntchito choyambira chamadzimadzi, nthawi zambiri chimakhala chosungunulira cha organic chokhala ndi silicon ndi silanol compound, chomwe chimatenthedwa ndikutenthedwa mu chipinda chochitira zinthu, kenako filimu ya silicon carbide imapangidwa pa substrate kudzera mu chemical reaction.
2. Makhalidwe a ntchito yaChophimba cha CVD silicon carbide
1.Kuchita bwino kwambiri kutentha
Zophimba za CVD silicon carbideImakhala ndi kukhazikika kwabwino kwambiri pa kutentha kwambiri komanso kukana okosijeni. Imatha kugwira ntchito m'malo otentha kwambiri ndipo imatha kupirira nyengo zovuta kwambiri pa kutentha kwambiri.
2. Katundu wabwino wamakina
Chophimba cha CVD silicon carbideIli ndi kuuma kwambiri komanso kukana kuvala bwino. Imateteza zitsulo kuti zisawonongeke, zomwe zimapangitsa kuti ntchito ya chipangizocho ipitirire.
3. Kukhazikika kwabwino kwambiri kwa mankhwala
Zophimba za CVD silicon carbideAmalimbana kwambiri ndi mankhwala wamba monga ma acid, alkali ndi mchere. Amalimbana ndi kuukira kwa mankhwala ndi dzimbiri la substrate.
4. Kuchuluka kwa kukangana kochepa
Chophimba cha CVD silicon carbideIli ndi mphamvu yochepa yolimbana ndi zinthu zina komanso imadzipaka mafuta okha. Imachepetsa kukangana ndi kuwonongeka ndipo imapangitsa kuti zinthu zigwiritsidwe ntchito bwino.
5.Kutentha kwabwino kwabwino
Chophimba cha CVD silicon carbide chili ndi mphamvu zabwino zoyendetsera kutentha. Chimatha kutentha mwachangu ndikuwonjezera mphamvu yotaya kutentha kwa maziko achitsulo.
6. Katundu wabwino kwambiri wotetezera magetsi
Chophimba cha CVD silicon carbide chili ndi mphamvu zabwino zotetezera magetsi ndipo chimatha kuletsa kutuluka kwa mphamvu yamagetsi. Chimagwiritsidwa ntchito kwambiri poteteza kutetezedwa kwa zipangizo zamagetsi.
7. Kukhuthala ndi kapangidwe kosinthika
Mwa kuwongolera momwe zinthu zilili panthawi ya CVD komanso kuchuluka kwa chinthu choyambira, makulidwe ndi kapangidwe ka filimu ya silicon carbide zitha kusinthidwa. Izi zimapereka zosankha zambiri komanso kusinthasintha kwa ntchito zosiyanasiyana.
Mwachidule, chophimba cha CVD silicon carbide chili ndi kutentha kwakukulu, mawonekedwe abwino kwambiri a makina, kukhazikika kwa mankhwala, kusinthasintha kochepa, kutentha kwabwino komanso mawonekedwe abwino oteteza magetsi. Zinthu izi zimapangitsa kuti chophimba cha CVD silicon carbide chigwiritsidwe ntchito kwambiri m'magawo ambiri, kuphatikizapo zamagetsi, kuwala, ndege, makampani opanga mankhwala, ndi zina zotero.
Nthawi yotumizira: Marichi-20-2024