Isukari ya silicon karbide farforine ifite imbaraga zo kwikuramo ubushyuhe bwibidukikije, kurwanya ubushyuhe bwa okiside yumwuka, kwihanganira kwambara neza, kurwanya ubushyuhe bwiza, coefficente ntoya yo kwagura umurongo, coefficient de transfert nyinshi, ubukana bwinshi, kurwanya ubushyuhe no gusenya, gukumira umuriro no ibindi biranga ubuziranenge. Ikoreshwa cyane mu binyabiziga, gukoresha imashini, kurengera ibidukikije, ubwubatsi bwo mu kirere, ibikoresho bikoresha ibikoresho bya elegitoronike, ingufu z’amashanyarazi n’izindi nzego, byahindutse ibiciro byubaka kandi bidasubirwaho mububiko bwububiko bwinshi.
Kutagira igitutu bizwi nkuburyo bwo kubara SiC butanga ikizere. Kumashini zitandukanye zihoraho zogukata, sinteri yubusa irashobora kugabanywamo ibice bikomeye byo kubara hamwe nibikorwa byo hejuru byamazi yo kubara. Mugushyiramo B na C bikwiye (ibirimo ogisijeni iri munsi ya 2%) hamwe nifu ya Beta SiC nziza cyane, S. Proehazka yinjijwe mumubiri wabazwe na SIC ufite ubucucike burenga 98% muri 2020, hamwe na Al2O3 na Y2O3 nkuko inyongera. Kubara 0.5m-SiC munsi ya 1850-1950 (ubuso buke hamwe na SiO2 nkeya), umwanzuro ni uko ubucucike bwa farashi ya SiC burenga 95% byubucucike bwibanze, ingano ni nto, kandi ingano nini ni nini, ni 1.5 mm.
Carbide ikora neza ya silicon yerekana inzira yose yo kwerekana fagitire yububiko hamwe nicyiciro cyamazi cyangwa icyiciro kinini cyamazi, kuzamura ubwiza bwa bilet, kugabanya umwobo, no kubara ibicuruzwa byarangiye bifite imbaraga nuburinganire bwuzuye. Ifu ya Plutonium-sic hamwe na grafite isukuye cyane bivangwa mukigereranyo runaka kandi bigashyuha kugeza 1650 kugirango bibyare urusoro. Muri icyo gihe, cyinjira cyangwa cyinjira mu byuma binyuze mu cyiciro cy’amazi ya Si, kigaragaza hamwe na karubide ya silicon ikora plutonium-sic, ikanahuza hamwe na plutonium-sic. Nyuma yo gucengera kwa Si, reaction yahinduye umubiri hamwe nubucucike burambuye hamwe nubunini bupakuruwe burashobora kuboneka. Ugereranije nubundi buryo bwo gucumura, murwego rwo hejuru yubucucike bwa reaction yoguhindura ingano ni ntoya, irashobora gukora ingano yukuri yibicuruzwa, ariko hariho SiC nyinshi kumubiri wabazwe, ubushyuhe bwo hejuru buranga reaction yahinduye feri ya SiC bizaba bibi. Ibitari igitutu bibarwa bya Ceramika ya SiC, isostatike ishyushye ibarwa ya SiC yubutaka hamwe nigisubizo cyacumuye ceramika ya SiC ifite ibintu bitandukanye.
Inganda zikora za silicon karbide ikora: Kurugero, farisari ya SiC kurwego rwumubare ugereranije nubucucike bwimbaraga hamwe no kugonda imbaraga, gukanda gukanda gushyushye hamwe no kubara isostatike ishyushye ni byinshi, kandi gucumura SiC ni bike. Mugihe kimwe, ibintu bifatika bya SiC farforine ihinduka hamwe nimpinduka yo kubara. Kutagira umuvuduko ukabije, gukanda imashini ishyushye hamwe no guhinduranya reaction ya SiC farforine ifite imbaraga zo kurwanya alkaline no kurwanya aside, ariko reaction yacumuye feri ya SiC ifite imbaraga nke zo kurwanya HF hamwe nandi mavuta yangirika cyane. Iyo ubushyuhe bwibidukikije buri munsi ya 900, imbaraga zo kugunama za farashi nyinshi ya SiC iba hejuru cyane ugereranije nubushyuhe bwo hejuru bwacuzwe na farufari, kandi imbaraga zunama za feri ya SiC yacumuye igabanuka cyane iyo irenze 1400. (Ibi biterwa gitunguranye. kugabanuka kwingufu zingirakamaro zingana nikirahure cyikirahure Si kirenze ubushyuhe runaka mumubiri wabazwe umuvuduko uhagaze ahanini wibasiwe nubwoko bwinyongera.
Igihe cyo kohereza: Ugushyingo-07-2023