Zogulitsa
Cubic Silicon Carbide (β-SiC)
Cubic Silicon Carbide (β-SiC)
Ufa wa ceramic wa cubic silicon carbide ndi ufa wobiriwira wobiriwira. Fomula yake ya mamolekyulu ndi iyi: SiC, kulemera kwa mamolekyulu 40.10, kachulukidwe 3.2g/cm3, malo osungunuka 2973℃, coefficient ya expansion ya kutentha 2.98×10-6K-1.
Ufa wa ceramic wa silicon carbide uli ndi chiyero chachikulu, kufalikira kwa tinthu tating'onoting'ono, ma pores ang'onoang'ono, ntchito yayikulu yochotsa zinthu zovulaza, kapangidwe ka kristalo kokhazikika, kutentha kwabwino kwambiri, ndipo ndi semiconductor yomwe imatha kukana okosijeni kutentha kwambiri; Ndevu za β-SiC ndi zazitali Chiŵerengero chachikulu cha m'mimba mwake, kutha pamwamba kwambiri, chiŵerengero chachikulu cha m'mimba mwake, komanso kuchuluka kwa tinthu tating'onoting'ono m'ndevu, magwiridwe ake ndi abwino kuposa ena kaya alowetsedwa m'malo owononga, mafakitale ndi migodi yolimba kwambiri, kapena kutentha kopitilira 1400°C. Ma alloy a ceramic kapena achitsulo omwe amapezeka m'masitolo, kuphatikiza ma alloy otentha kwambiri.
Mafotokozedwe a Silicon Carbide:
| ChogulitsaMtundu | Silicon Carbide(β-SiCGrit) | Silicon Carbide (β-SiCUfa) | Silicon Carbide(α-SiC Ufa) | |
| Zomwe zili mu gawo | ≥99% | β≥99% | ≥99% | |
| kapangidwe ka mankhwala (kuchuluka%) | C | >30 | >30 | - |
| S | <0.12 | <0.12 | - | |
| P | <0.005 | <0.005 | - | |
| Fe2O3 | <0.01 | <0.01 | - | |
| Tirigu(μm) | Kusintha | |||
| Mtundu | Xinli Abrasive | |||
Ntchito zazikulu za silicon carbide: Xinli Abrasive imatha kupereka silicon carbide yogwiritsidwa ntchito m'njira zosiyanasiyana, kuphatikizapo hexagonal kapena rhombohedral α-SiC ndi cubic β-SiC ndi β-SiC ndevu. Zipangizo zopangidwa ndi silicon carbide ndi mapulasitiki, zitsulo, ndi zoumba zimatha kusintha kwambiri mawonekedwe ake osiyanasiyana. Chifukwa cha kukhazikika kwake kwa kutentha, mphamvu yake yayikulu, komanso kutentha kwake kwakukulu, imagwiritsidwa ntchito kwambiri muzinthu zamagetsi, zida zamakemikolo, kukonza kutentha kwambiri, ndi zida zamagetsi ndi zamagetsi. , semiconductor field, zida zotenthetsera zamagetsi ndi zotsutsana, ndi zina zotero. Ingagwiritsidwenso ntchito mu zoumba, zida zoumba, zipangizo zapamwamba zotsutsa, ndi zoumba zabwino.
Cubic silicon carbide imapereka ntchito zosiyanasiyana m'mafakitale osiyanasiyana, makamaka m'magetsi amphamvu kwambiri, zida za RF, zamagetsi zamagetsi, ma semiconductor substrates, malo otentha kwambiri, masensa, ndi ma optoelectronics.
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