I-silicon carbide eluhlaza kanye ne-silicon carbide emnyama: Umehluko omkhulu ngale kombala
Ensimini enkulu yezinto zokwakha zezimboni,i-silicon carbide eluhlazafuthii-carbon carbide emnyama kuvame ukukhulunywa ngakho ndawonye. Zombili ziyizinto ezibalulekile zokubhula ezenziwe ngokuncibilikisa okushisa okuphezulu ezithandweni zokumelana nezinto zokusetshenziswa ezifana nesihlabathi se-quartz kanye ne-petroleum coke, kodwa umehluko wazo ungaphezulu kakhulu komehluko wombala ebusweni. Kusukela ekungafanini okuncane kwezinto zokusetshenziswa, kuya ekungafanini kwezici zokusebenza, kuya emehluko omkhulu ezimweni zokusetshenziswa, lo mehluko uye wabumba ndawonye izindima ezihlukile zalezi ezimbili emkhakheni wezimboni.
1 Umehluko ekuhlanzekeni kwezinto zokusetshenziswa kanye nesakhiwo sekristalu kunquma izici ezahlukene zalezi zinto ezimbili.
I-silicon carbide eluhlazaYenziwe nge-petroleum coke kanye nesihlabathi se-quartz njengezinto eziyinhloko, futhi usawoti uyangezwa ukuze kucwengisiswe. Ngale nqubo, okuqukethwe kokungcola kuncishiswa kakhulu, futhi i-crystal iyisistimu evamile ye-hexagonal enemiphetho ebukhali namakhona. Ukucubungula izinto zokusetshenziswa ze-black silicon carbide kulula kakhulu, futhi akukho usawoti owengezwayo. Ukungcola okufana nensimbi ne-silicon okushiywe ezintweni zokusetshenziswa kwenza izinhlayiya zayo ze-crystal zingalingani ngesimo futhi zibe yindilinga futhi zibe buthuntu emaphethelweni nasemakhoneni.
2 Umehluko ezintweni zokusetshenziswa kanye nezakhiwo uholela ezicini zomzimba ezahlukene zalokhu okubili.
Ngokuphathelene nobulukhuni, ubulukhuni bukaMohsi-silicon carbide eluhlazacishe ingu-9.5, ilandela idayimane kuphela, futhi ingacubungula izinto zokuqina okuphezulu; i-black silicon carbide cishe ingu-9.0, enobunzima obuphansi kancane. Ngokuphathelene nobuningi, i-green silicon carbide ingu-3.20-3.25g/cm³, enesakhiwo esiminyene; i-black silicon carbide ingu-3.10-3.15g/cm³, ekhululekile uma kuqhathaniswa. Ngokuphathelene nokusebenza, i-green silicon carbide ihlanzekile kakhulu, i-thermal conductivity enhle, i-electric conductivity kanye ne-high temperature resistance, kodwa iyaphuka futhi kulula ukuyihlukanisa ibe yimiphetho emisha; i-black silicon carbide inokushisa okubuthakathaka kancane kanye ne-electric conductivity, i-fragile ephansi, kanye ne-particle impact resistance enamandla.
3 Umehluko wokusebenza unquma ukugxila kokusetshenziswa kwalokhu okubili.
I-carbonide eluhlaza ye-silicon inayoubulukhuni obuphezulukanye nezinhlayiya ezibukhali, futhi inhle ekucubunguleni izinto zokuqina okuphezulu kanye nokuqina okuphansi: emkhakheni ongeyona insimbi, ingasetshenziswa ekugayeni ingilazi, ukusika i-ceramic, ama-wafer e-silicon e-semiconductor, kanye nokupholisha i-sapphire; ekucubunguleni insimbi, inokusebenza okuhle kakhulu kokucubungula okunembe kakhulu kwezinto ezifana ne-carbide esimende kanye nensimbi eqinile, futhi isetshenziswa kabanzi emikhiqizweni efana namasondo okugaya kanye nama-disc okusika. I-carbide ye-silicon emnyama icubungula kakhulu izinto zokuqina okuphansi, nokuqina okuphezulu futhi ifanelekela ukucubungulwa kwezinsimbi ezingezona i-ferrous kanye nezinto eziphikisayo njengensimbi ephothiwe, ithusi kanye ne-aluminium. Ezimweni ezinzima ezifana nokupholisha okukhipha insimbi kanye nokususwa kokugqwala kwensimbi, isibe ukukhetha okuvamile embonini ngenxa yokusebenza kwayo kahle kakhulu.
Nakuba i-silicon carbide eluhlaza kanyei-carbon carbide emnyamaNjengoba zingaphansi kohlelo lwezinto ze-silicon carbide, izakhiwo zazo zomzimba nezamakhemikhali kanye nezici zokusetshenziswa zihluke kakhulu. Ngokuthuthuka okuqhubekayo kwesayensi yezinto zokwakha kanye nobuchwepheshe bokucubungula, i-silicon carbide eluhlaza kanye ne-silicon carbide emnyama kulindeleke ukuthi kufinyelele ekwandeni kokusetshenziswa kabanzi emikhakheni yobuchwepheshe obuphezulu njengokukhiqiza i-semiconductor, ukugaya ngokunemba, kanye namandla amasha, okuhlinzeka ngokusekelwa kwezinto ezibalulekile zokuthuthukiswa kwekhwalithi ephezulu kwemboni yanamuhla.