Silicon carbide aluminium dalool saxan filter xumbo dhoobada ah ee sifaynta biraha
Waa nooc ka mid ah ceramics daloolsan oo la mid ah xumbo qaabaysan. Waa jiilkii saddexaad ee ceramics dalool ka dib markii la sameeyay ceramics dalool caadi ah iyo ceramics dalool malabka.
Ceramics-yada sare waxay leeyihiin daloolo saddex geesood ah oo isku xiran, iyo qaabkooda, cabbirka daloolka, qulqulka, bedka dhulka iyo sifooyinka kiimikada ayaa si habboon loo hagaajin karaa. Alaabtu waa sida "xunbo adag" ama "isbuunyo dhoobo ah".
sifooyinka jirka iyo kiimikaad:
| Qalab | Silicon Carbide |
| Midabka | Madow cawlan |
| Cufnaanta daloolka | 8-60ppi |
| Porosity | 80-90% |
| Refractority | ≤1500℃ |
| Xoog Laabashada | >0.8Mpa |
| Xoogga Isku-buufinta | >0.9Mpa |
| Mugga-miisaanka | 0.35-0.5g/cm³ |
| Iska caabbinta shoogga kulaylka | 6 jeer/1100℃ |
Faa'iidooyinka:
Sida nooc cusub oo ah walxaha shaandhada aan birta ahayn ee aan dabiiciga ahayn, dhoobada xumbo waxay leedahay faa'iidooyinka miisaanka fudud, xoogga sare, iska caabinta heerkulka sare, caabbinta daxalka, dib u soo kabashada fudud, nolosha adeegga dheer iyo sifaynta iyo nuugista wanaagsan.
Astaamaha:
- Qaab-dhismeedkeeda saddex-geesoodka ah ee isku-xiran ee gudaha ah, wuxuu si buuxda u muujin karaa hagaajintiisa inta lagu jiro shaandhaynta birta dhalaalaysa, shaandhaynta farsamada, "keega", afar hab oo shaandhayn ah.
- Shayga shaandheynta adsorption leh xasilloonida kiimikaad wanaagsan isku mar, kuma falcelinayso daawaha dareeraha ah
- Si wax ku ool ah uga saar ama u yareyso ku darida dareeraha birta, oo wanaaji nadiifinta dhalaalka birta
- Dusha sare ee biraha shubka ah waa siman yihiin, xoogga waa la wanaajiyey, heerka qashinka waa la dhimay, khasaaraha mishiinkana waa la dhimay.
- Yaree isticmaalka tamarta, wanaaji wax soo saarka shaqada iyo dhimista kharashyada.
Codsiga:
Waxa lagu dabaqaa birta shubka ah, birta ductile iyo habka sifaynta wax soo saarka birta cawlan. Ma aha oo kaliya inay si wax ku ool ah uga saari karaan birta dhalaalaysa ee kala duwanaansho kala duwan oo ay gaaraan inclusions fasalka micron iyo qayb ka mid ah gaaska, ka dhigi birta dhalaalaysa si ay u soo saaraan socodka laminar siman, faa'iido u leh nooca dareeraha, sidoo kale waxay leeyihiin xoog farsamo oo wanaagsan iyo xasilloonida kiimikada, kuleylka kuleylka, heer sare ah. Qurxinta gaarka ah ee halabuurka, waxay ka caawisaa in la yareeyo khilaafka u dhexeeya shaandhada iyo birta dhalaalaysa, hubi shaandhaynta siman.







