Waa maxay sifooyinka carbide silicon?
Taariikhda: Dec 3rd, 2022
1. Isku halaynta wanaagsan.
Ku karkarinta sulfuric acid, hydrochloric acid iyo hydrofluoric acid ma fududa in la sawiro. SiC kama falceliso chloride magnesium heerkulka sare, sidaas darteed waxay leedahay iska caabin wanaagsan oo haraaga aashitada. Dareen-celinta u dhaxaysa SIC iyo budada lime waxay si tartiib tartiib ah u kobcaysaa 525 waxayna noqotaa mid cad oo ku wareegsan 1000, halka falcelinta u dhaxaysa SIC iyo copper oxide ay si cad u kobciso 800. 1000-1200 waxay ka muuqatay birta oxide, iyo 1300 si weyn ayaa loo jajabiyey. Dareen-celinta chromium oxide ayaa si tartiib tartiib ah isu beddeshay 1360 darajo ilaa fal-celin dildilaac ah. Haydaroojiin, silikoon carbide laga soo bilaabo 600 ayaa si tartiib tartiib ah ula muuqday, 1200 waxa loo beddelay silikoon tetrachloride iyo tetrachloride carbon. Alkalada dhalaalaysa waxay ku milmi kartaa SiC marka ay qandho sarayso.
2. Iska caabinta oksidation
Silicon carbide waxay leedahay iska caabin oksaydh oo wanaagsan heerkulka qolka, iyo silikoon hadhaaga ah, kaarboonka iyo oksaydhka birta waxay saamayn ku leeyihiin heerka oksaydhka hawada ee silikoon carbide. Kaarbide silikoon saafi ah ayaa si badbaado leh loogu dabaqi karaa jawiga oksaydheynta hawada ee 1500, iyo silikoon carbide leh qaar ka mid ah haraaga ayaa la ogsijin doonaa 1220.
3, caabbinta shoogga kulaylka wanaagsan.
Silicon carbide porcelain sababtoo ah heerkulka sare ee joogtada ah ma dhalaali karo mana milo uumiga, waxa uu leeyahay iska caabin shoog kulaylka ah oo ka fiican, waxana uu leeyahay kulaylka sare iyo dab yar.
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