Ibisobanuro rusange byimyitwarire ya sic

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Imyitwarire idahwitse sic ifite imitungo no kurwanya okiside. Igiciro cyacyo ni gito. Muri iki gihe, yashakishije byinshi kandi byinshi mu nganda zitandukanye.

Sic nubucuti bukomeye cyane. Mubyaha, igipimo gitandukanye ni gito cyane. Mugihe kimwe, ubuso bwibice bikunze gutwikira inzira ya ogide idahwitse igira uruhare rwa bariyeri ya diffusion. Sic nziza cyane irarimburwa kandi ihungamake idafite inyongeramusaruro. Nubwo inzira ishyushye ikoreshwa, igomba kandi guhitamo inyongeramusaruro zikwiye. Gusa ku bushyuhe bwo hejuru cyane, ibikoresho bikwiranye n'ubucucike bw'ubwumvikane bukegereje ubucucike bugomba kuba mu myaka ya 1950 ℃ kugeza 2200 ℃. Nubwo abanyamakuru ba Sic barashobora kuboneka kubijyanye no kubitsa ibyumwuka, bigarukira gutegura ubucucike buke cyangwa ibikoresho bito. Kubera igihe kirekire gituje, ikiguzi cyumusaruro kiziyongera.

Imyitozo ihujwe na sic yahimbwe muri 1950 na Popper. Ihame shingiro ni:

Mubikorwa byingufu, silicon ya silicon cyangwa silicon inyoge hamwe nibikorwa birumvikana byinjiye muberoni barimo abadayimoni barimo Carbone bashinga Carbone na Siliconi Siliconi. Igituba gishya cya Silicon cyashinzwe kugeza kuri silicon yimbere ya silicon muri Silicon yimbere muri iki gihe, kandi inzabibu zisigaye zuzuye zuzuyemo umukozi udashimwe kugirango urangize inzira yo kwegeranya.

Ugereranije n'indi nzira ya silicon karbide ya silicon, inzira y'inze konshuro ifite ibiranga bikurikira:

Ubushyuhe butunganijwe buke, igihe gito cyo gutunganya, ntigikenewe ibikoresho bidasanzwe cyangwa bihenze;

Ibice byahujwe nibice bidafite aganga cyangwa guhindura ingano;

Uburyo butandukanye bwo kubumbwa (gukandamirwa, gutera inshinge, gukanda no gusuka).

Hariho byinshi byo guhindura imitwe. Mugihe c'ibintu, ingano nini n'ibicuruzwa bigoye birashobora kuvungirwa nta mbogamizi. Ikoranabuhanga rya reaction rya Carbide ya Silicon ryizwe igice cyikinyejana. Iri koranabuhanga ryabaye imwe mu yibanze ku nganda zinyuranye kubera ibyiza byihariye.

 


Igihe cya nyuma: Gicurasi-04-2018
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