Menene kaddarorin silicon carbide?
Kwanan wata: Dec 3rd, 2022
1. Kyakkyawan aminci.
Tafasa a cikin sulfuric acid, hydrochloric acid da hydrofluoric acid ba abu ne mai sauƙi ba. SiC ba ya amsa tare da magnesium chloride a babban zafin jiki, don haka yana da kyakkyawan juriya ga ragowar acid. Halin da ke tsakanin SIC da lemun tsami foda a hankali yana tasowa a 525 kuma ya zama bayyane a kusa da 1000, yayin da martani tsakanin SIC da jan karfe oxide yana tasowa a fili a 800. A 1000-1200 an nuna shi da baƙin ƙarfe oxide, kuma a 1300 yana da mahimmanci cleaved. Halin da chromium oxide ya canza a hankali daga digiri 1360 zuwa amsawar fatattaka. A cikin hydrogen, silicon carbide daga 600 a hankali ya nuna tare da shi, a 1200 ya canza zuwa silicon tetrachloride da carbon tetrachloride. Narkar da alkali na iya narkar da SiC a zazzabi mai zafi.
2. Oxidation juriya
Silicon carbide yana da kyakkyawan juriya na iskar shaka a cikin zafin jiki, kuma ragowar silicon, carbon da baƙin ƙarfe oxide suna da tasiri akan matakin iskar iskar shaka na silicon carbide. Za'a iya amfani da tsaftataccen siliki carbide cikin aminci a cikin yanayin iskar iskar oxygen ta gabaɗaya na 1500, kuma silicon carbide tare da sauran ragowar za'a sami oxidized a cikin 1220.
3, mai kyau thermal shock juriya.
Silicon carbide ain domin a ci gaba da babban zafin jiki ba ya narke da narkar da tururi, yana da mafi kyau thermal girgiza juriya, kuma yana da high thermal conductivity da low harbe-harbe.