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Ka taxadar isticmaalka ulaha carbide silicon ee foornooyinka tijaabada ah ee korontada

Ka taxadar isticmaalka ulaha carbide silicon ee loogu talagalay foornooyinka korontada ee tijaabada ah

1. Markaad isticmaalayso foornada korantada, heerkulka foornada waa in aanu dhaafin heerkulka la qiimeeyay muddo dheer si looga fogaado waxyeello soo gaadha walxaha kuleylka. Waa mamnuuc in foornada lagu shubo dareereyaal guban kara oo kala duwan iyo biro dhalaalaysa.

2. Usha silikoon carbide waa mid adag oo jajaban, markaa ka taxdar marka aad soo dejinayso.

3. Ulaha carbide silicon waa in lagu kaydiyaa meel qalalan si looga hortago xumeynta dhamaadka aluminium-plated sababtoo ah qoyaanka.

4. dhalaalid KOH, NaOH, Na2CO3 iyo K2CO3 waxay qurxiyaan SiC heerkulka kulaylka cas. Ulaha carbide ee silikoon ayaa daxaloobaya marka ay taabtaan alkali, biraha dhulka alkaline, sulfates, borides, iwm, markaa waa in aan lala xiriirin ulaha carbide silicon

5. Fiirinta usha carbide silikoon waa in ay xiriir dhow la leedahay madaxa aluminiumka cad ee dhamaadka qabow ee usha si looga fogaado in uu shidmo.

6. Usha carbide ee silicon waxay la falgashaa Cl2 at 600°C waxayna kula falgashaa uumiga biyaha 1300-1400°C. Usha carbide ee silikon ka hoosaysa 1000°C,waxana si weyn loo ogaysiinayaa 1350°C, at 1350-1500°C. Filim ilaalin ah oo SiO2 ah ayaa lagu dhex sameeyay oo ku dheggan dusha sare ee usha silikoon carbide si looga hortago in SiC ay sii wado inay oksaydhka.

7. Qiimaha caabbinta ee usha silikoon carbide ayaa kordheysa marka wakhtiga la isticmaalo ee usha silikoon carbide ay korodho, falcelintuna waa sida soo socota:

SiC + 2O2=SiO2 + CO2

SiC + 4H2O = SiO2 + 4H2 + CO2

Marka ay sii korodho waxa ku jira SiO2, way sii badanaysaa qiimaha iska caabbinta ee ulaha carbide ee silikoon. Sidaa darteed, ulaha molybdenum silikoon hore iyo kan cusub laguma qasi karo, haddii kale qiimaha iska caabintu waxay noqon doontaa mid aan dheellitirnayn, taas oo aad u aan fiicnayn goobta heerkulka iyo nolosha adeegga ee ulaha carbide silicon.