- 01
- Oct
Nesilicon carbide chidhinha
Nesilicon carbide chidhinha
1. Iyo huru yezvinyorwa yesilicon carbide zvidhinha iSiC, zvirimo zviri 72% -99%. Silicon carbide zvidhinha zvinoshandiswa mumaindasitiri akasiyana uye chishandiso michina nekuda kwekusanganiswa kwakasiyana. Zvinoenderana nenzira dzakasiyana dzekubatanidza, vagadziri vesilicon carbide vanokamurwa kuita ivhu rekubatanidza, Sialon kubatana, alumina kubatana, kuzvibatanidza, yakakwira aruminiyamu kubatanidza, silicon nitride kubatana, uye zvichingodaro. Ndezvipi zvinoshandiswa nesilicon carbide zvidhinha? Ndeapi makuru ekushandisa?
2. Nekuti iyo yakasvibirira yesilicon carbide zvidhinha isilicon carbide, silicon carbide, inozivikanwawo seEmery, inogadzirwa neepamusoro-tembiricha yekunyungudusa yezvinhu zvakasvibirira senge quartz jecha, coke, uye matanda machipisi. Silicon carbide inowanzo shandiswa kugadzira zvirevo zvemberi nekuda kwekugadzikana kwayo kwemakemikari zvivakwa, yakanyanya kudziya conduction, yakaderera yekushisa yekuwedzera coefficient, uye yakanaka kupfeka kuramba.
3. Zvidhinha zveSilicon carbide zvinogadziriswa kuita yakakwira-tembiricha yekunyungudusa moto linings uchishandisa hunhu hwesilicon carbide senge kurwisa kukora, kupisa kwekushisa kwakanyanya, simba rakakwira, kwakanaka kupisa kwekushisa, uye kusagadzikana kwekukanganisa, uye kunoshandiswa mune dzakasiyana-siyana tembiricha chafariz midziyo.
4. Silicon carbide zvigadzirwa zvinoshandisa silicon carbide sechinhu chisina kugadzirwa, wedzera ivhu, silicon oxide uye mamwe anosunga kuti sinter pa1350 kusvika 1400 ° C. Silicon carbide uye nesilicon poda inogona kuitwawo nesilicon nitride-silicon carbide zvigadzirwa mune senitrogen mamiriro mune yemagetsi choto. Carbon zvigadzirwa zvine yakadzika kwazvo thermal kuwedzera kuwedzera coefficient, yakakwira kudziya conduction, yakanaka yekupisa yekuvhunduka kuramba, uye yakakwira yakakwira tembiricha simba. Iyo hainyorove mushure mekushandisa kwenguva yakareba pakudziya kwakanyanya, haina kusvibiswa nechero acid uye alkali, ine yakanaka kusagadzikana kwemunyu, uye haina kunyoroveswa nesimbi uye slag. Iyo yakareruka uremu uye ndeye yepamusoro-yepamusoro-tembiricha inodzivirira zvinhu. Izvo zvinokanganisa ndezvekuti zviri nyore kuisa oxidize pakakwirira tembiricha uye haina kukodzera kuti ishandiswe mumhepo ine oxidizing. Carbon zvigadzirwa zvinonyanya kushandiswa mune yakanyanya-kupisa tembiricha linings (pasi pevira, choto, chikamu chepazasi cheiyo shaft shaft, nezvimwewo), pamwe neyakavakirwa yeasina-ferrous simbi yekuyera mavira.
5. Inoenderana nemuviri nemakemikari indexes yesilicon carbide zvidhinha:
purojekiti | indekisi | |
SiC – 85 | SiC – 75 | |
SiC% ≮ | 85 | 75 |
0.2Mpa mutoro unopfavisa kutanga tembiricha ° C ≮ | 1600 | 1500 |
Kuwanda kwehuwandu g / cm3 | 2.5 | 2.4 |
Simba rekumanikidza patembiricha yekamuri Mpa≮ | 75 | 55 |
Thermal kuvhunduka kugadzikana (1100 ° C mvura kutonhora) ≮ | 35 | 25 |