Ukusetshenziswa kwe-CVD SiC Coating
IUkugqoka kwe-CVD SiCInqubo isetshenziswa kabanzi emikhakheni eminingana ngenxa yokuguquguquka kwayo kanye nezinzuzo zokusebenza. Enye yezinhlelo zokusebenza eziyinhloko isekukhiqizweni kwe-semiconductor, lapho izingxenye ezimbozwe yi-SiC zisiza ekuvikeleni izindawo ezibucayi ngesikhathi sokucubungula i-wafer. Imishini embozwe yi-CVD SiC, njenge-susceptors, izindandatho, kanye nezithwali ze-wafer, iqinisekisa ukuzinza kokushisa okuphezulu futhi ivimbela ukungcola phakathi nezigaba zokukhiqiza ezibalulekile.
Embonini yezindiza,Ukugqoka kwe-CVD SiCisetshenziswa ezingxenyeni ezivezwe ekushiseni okukhulu kanye nokucindezeleka komshini. Isembozo sandisa kakhulu impilo yama-turbine blades kanye namakamelo okushisa, asebenza ngaphansi kwezimo ezinzima. Ngaphezu kwalokho, i-CVD SiC ivame ukusetshenziswa ekukhiqizeni izibuko namadivayisi okukhanya ngenxa yezakhiwo zayo zokuqina nokukhanya kokushisa.
Esinye isicelo esibalulekile se-CVD SiC sisembonini yamakhemikhali. Lapha, izembozo ze-SiC zivikela izingxenye ezifana nezishintshi zokushisa, izivalo, namaphampu ezintweni ezibolayo. Ubuso be-SiC abuthinteki ngama-asidi nezisekelo, okwenza kube kuhle ezindaweni lapho ukuqina kwamakhemikhali kubalulekile khona.
Izici ze-CVD SiC Coating
Izakhiwo zokugqoka ze-CVD SiC yizo ezenza kube nempumelelo enkulu kulezi zinhlelo zokusebenza. Esinye sezici zayo eziyinhloko ubulukhuni bayo, obufana kakhulu nedayimane esikalini sobulukhuni be-Mohs. Lobu bulukhuni obukhulu bunikeza ukugqoka kwe-CVD SiC ukumelana okuphawulekayo nokuguguleka, okwenza kufanelekele izindawo eziguquguqukayo kakhulu.
Ngaphezu kwalokho, i-SiC inokushisa okuhle kakhulu, okuvumela izingxenye ezimboziwe ukuthi zigcine ubuqotho bazo ngisho nangaphansi kwamazinga okushisa aphezulu. Lokhu kubaluleke kakhulu ekusetshenzisweni kwe-semiconductor kanye ne-aerospace, lapho izinto kufanele zikwazi ukumelana nokushisa okukhulu ngenkathi zigcina amandla esakhiwo.
Ukungasebenzi kwamakhemikhali kwe-CVD SiC coating kungenye inzuzo ephawulekayo. Imelana nokugqwala, ukugqwala, kanye nokusabela kwamakhemikhali ngezinto ezinolaka, okwenza kube yi-coating efanelekile yemishini yokucubungula amakhemikhali. Ngaphezu kwalokho, i-coefficient yayo ephansi yokwanda kokushisa iqinisekisa ukuthi izindawo ezimboziwe zigcina isimo sazo nokusebenza kwazo ngisho nangaphansi kwezimo zokujikeleza kokushisa.
Isiphetho
Ngamafuphi, i-CVD SiC coating inikeza ikhambi eliqinile nelisebenza kahle kakhulu lezimboni ezidinga izinto ezingabekezelela ukushisa okukhulu, ukucindezeleka komshini, kanye nokugqwala kwamakhemikhali. Ukusetshenziswa kwayo kuhluka kusukela ekukhiqizweni kwe-semiconductor kuya ekucutshungulweni kwezindiza kanye namakhemikhali, lapho izakhiwo ze-SiC—njengobulukhuni, ukuzinza kokushisa, kanye nokumelana namakhemikhali—zibalulekile empumelelweni yokusebenza. Njengoba izimboni ziqhubeka nokucindezela imingcele yokusebenza kanye nokuthembeka, i-CVD SiC coating izohlala iwubuchwepheshe obubalulekile bokuthuthukisa ukuqina kwezingxenye kanye nokuphila isikhathi eside.
Ngokusebenzisa ubuchwepheshe babakhiqizi abakhethekile njenge-vet-china, izinkampani zingathola izembozo ze-CVD SiC ezisezingeni eliphezulu ezihlangabezana nezidingo eziqinile zezinqubo zezimboni zanamuhla.
Isikhathi sokuthunyelwe: Disemba 18-2023