Silicon carbide (SiC) ceramicsbyahindutse ibikoresho byingenzi mubijyanye nubushyuhe bwo hejuru bwububiko bwububiko bitewe nubushobozi buke bwo kwagura ubushyuhe bwumuriro, ubushyuhe bwinshi bwumuriro, ubukana bwinshi, hamwe nubushyuhe bwiza nubushyuhe. Zikoreshwa cyane mubice byingenzi nkikirere, ingufu za kirimbuzi, igisirikare, hamwe na semiconductor.
Nyamara, imiyoboro ikomeye cyane ya covalent hamwe na coefficient de diffuzione ya SiC ituma ubucucike bwayo bugorana. Kugirango bigerweho, inganda zateje imbere tekinoloji zitandukanye zo gucumura, kandi ibumba rya SiC ryateguwe nikoranabuhanga ritandukanye rifite itandukaniro rikomeye muri microstructure, imitungo, hamwe nibisabwa. Hano hari isesengura ryibanze biranga ibintu bitanu byingenzi bya silicon karbide ceramics.
1. Ntabwo igitutu cyacumuye ibumba rya SiC (S-SiC)
Ibyiza byingenzi: Bikwiranye nuburyo bwinshi bwo kubumba, igiciro gito, ntabwo kigarukira kumiterere nubunini, nuburyo bworoshye bwo gucumura kugera kubikorwa byinshi. Iyo wongeyeho boron na karubone kuri β - SiC irimo urugero rwa ogisijeni ikanayungurura munsi yikirere cya inert nko mu 2000 ℃, hashobora kuboneka umubiri wacumuye ufite ubucucike bwa 98%. Hariho inzira ebyiri: icyiciro gikomeye nicyiciro cyamazi. Iyambere ifite ubucucike nubuziranenge, kimwe nubushyuhe bwo hejuru bwumuriro nubushyuhe bwo hejuru.
Porogaramu isanzwe: Umusaruro mwinshi wokwirinda kwangirika no kwangirika kwangirika no gufunga kunyerera; Bitewe no gukomera kwayo, uburemere buke bwihariye, hamwe n’imikorere myiza ya ballistique, ikoreshwa cyane nkintwaro zitagira amasasu ku binyabiziga n’amato, ndetse no kurinda umutekano w’abasivili n’imodoka zitwara amafaranga. Kurwanya kwinshi kwinshi gusumba ubukorikori busanzwe bwa SiC, kandi kuvunika kwintwaro zoroheje zirinda silindrike birashobora kugera kuri toni zirenga 65.
2. Igisubizo cyacumuye ibumba rya SiC (RB SiC)
Ibyiza byingenzi: Imikorere myiza yubukanishi, imbaraga nyinshi, kurwanya ruswa, no kurwanya okiside; Ubushyuhe buke hamwe nigiciro, gishobora gukora hafi yubunini bwa net. Inzira ikubiyemo kuvanga isoko ya karubone nifu ya SiC kugirango itange bilet. Ku bushyuhe bwinshi, silikoni yashongeshejwe yinjira muri fagitire hanyuma ikorana na karubone ikora β - SiC, ihuza umwimerere α - SiC ikuzuza imyenge. Ingano ihinduka mugihe cyo gucumura ni nto, bigatuma ikwirakwizwa ninganda zikora ibicuruzwa bigoye.
Porogaramu isanzwe: Ibikoresho byo mu itanura ryubushyuhe bwo hejuru, imiyoboro yumucyo, guhanahana ubushyuhe, nozzles desulfurisation; Bitewe nubushobozi buke bwo kwagura ubushyuhe, modulus yo hejuru ya elastique, hamwe no kuranga inshundura, byahindutse ibikoresho byiza kumurika; Irashobora kandi gusimbuza ikirahuri cya quartz nkigikoresho gishyigikira imiyoboro ya elegitoronike hamwe n’ibikoresho byo gukora chip ya semiconductor.
3. Bishyushye bishyushye bya ceramika ya SiC (HP SiC)
Inyungu yibanze: Gukora sinhron munsi yubushyuhe bwinshi numuvuduko mwinshi, ifu iri mumiterere ya termoplastique, ifasha inzira yo kwimura abantu benshi. Irashobora kubyara ibicuruzwa bifite ibinyampeke byiza, ubucucike bwinshi, hamwe nubukanishi bwiza mubushyuhe bwo hasi no mugihe gito, kandi birashobora kugera kubwinshi bwuzuye no hafi yicyaha.
Porogaramu isanzwe: Ubusanzwe yakoreshwaga nk'imyenda itagira amasasu ku bakozi ba kajugujugu yo muri Amerika mu gihe cy'intambara ya Vietnam, isoko ry'intwaro ryasimbujwe karbide ya boron ishyushye; Kugeza ubu, ikoreshwa cyane mu bintu byongerewe agaciro cyane, nk'imirima ifite ibisabwa cyane mu kugenzura ibihimbano, ubuziranenge, no kwiyongera, ndetse n'inganda zidashobora kwangirika ndetse n'inganda za kirimbuzi.
4. Gusubiramo ibumba rya SiC (R-SiC)
Inyungu yibanze: Ntibikenewe ko wongera infashanyo zo gucumura, nuburyo busanzwe bwo gutegura ultra-high isuku nibikoresho binini bya SiC. Inzira ikubiyemo kuvanga ifu yuzuye kandi nziza ya SiC mukigereranyo no kuyikora, kuyicumura mukirere cya inert kuri 2200 ~ 2450 ℃. Ibice byiza bigenda byuka kandi bigahinduka muguhuza ibice bito kugirango bibumbwe mubutaka, hamwe nuburemere bwa kabiri nyuma ya diyama. SiC igumana imbaraga zo hejuru cyane, kurwanya ruswa, kurwanya okiside, hamwe no guhangana nubushyuhe bwumuriro.
Porogaramu isanzwe: Ubushyuhe bwo mu itanura ryibikoresho byo hejuru, guhinduranya ubushyuhe, nozzles yaka; Mu kirere no mu gisirikare, ikoreshwa mu gukora ibyogajuru byubaka ibikoresho nka moteri, imirizo yumurizo, na fuselage, bishobora guteza imbere imikorere nubuzima bwa serivisi.
5. Silicon yinjiye mubutaka bwa SiC (SiSiC)
Ibyiza byingenzi: Byinshi mubikorwa byinganda, hamwe nigihe gito cyo gucumura, ubushyuhe buke, ubwinshi bwuzuye kandi budahinduwe, bugizwe na materix ya SiC kandi bwinjiye mubyiciro bya Si, bigabanijwemo inzira ebyiri: kwinjira mumazi no kwinjira muri gaze. Iyanyuma ifite igiciro cyinshi ariko ubucucike bwiza nuburinganire bwa silicon yubusa.
Porogaramu zisanzwe: ubukana buke, umwuka mwiza, hamwe nuburwanya buke bifasha kurandura amashanyarazi ahamye, akwiriye kubyara ibice binini, bigoye cyangwa bidafite umwobo, bikoreshwa cyane mubikoresho bitunganya semiconductor; Bitewe na moderi ya elastike ihanitse, yoroheje, imbaraga nyinshi, hamwe n’umuyaga mwinshi cyane, nicyo kintu cyatoranijwe gikora cyane murwego rwo mu kirere, gishobora kwihanganira imizigo mu bidukikije kandi ikemeza neza ko umutekano ari umutekano.
Igihe cyo kohereza: Nzeri-02-2025