Gabatarwa na graphite m ji

High zafin jiki graphite ji yana da kaddarorin haske nauyi, mai kyau tashin hankali, high carbon abun ciki,high zafin jiki juriya, babu volatilization a high zafin jiki,juriya na lalata, karamathermal watsinda kuma babban siffar riƙewa.

A samfurin yana da wadannan abũbuwan amfãni: bayan 1800 ~ 2500 ℃ high zafin jiki magani, da zazzabi bambanci tsakanin kowane maki biyu na ji ba fiye da 50 ℃, don haka da samfurin yi ne barga. Saboda yana ci gaba da samarwa, zai iya tabbatar da daidaiton kayan da aka ji a kowane faɗi da tsayi.

Idan aka kwatanta dacarbon jibi da a low zazzabi (a kasa 900 ℃), graphite ji bi da a high zafin jiki (sama 2200 ℃) yana da wadannan abũbuwan amfãni:

(1) Adsorption na ruwa tururi da sauran iskar gas a kan graphite ji shi ne 2 umarni na girma kasa da cewa a kan carbon ji bi da a low zazzabi. Ga na'urorin rufaffiyar jirgin ruwa da yawa waɗanda ke buƙatar sharewa, tsabtar yanayi shine maɓalli mai mahimmanci. Duk da haka, saboda yawan adsorption na ƙananan zafin jiki da aka kula da carbon ji, yana da wuya a kwashe jirgin ruwa.

(2) A graphite ji yana da karfi thermal hadawan abu da iskar shaka juriya. Tsarin carbon ba tare da graphitization wani nau'i ne na tsarin Layer mara kyau ba. Kasancewar lahani iri-iri yana sa tazarar tazarar ta ya fi girma, kuma yana da sauƙi a kai masa hari ta hanyar zarra na iskar oxygen da oxidized. Cikakken lattice da oda tsari mai girma uku na graphite da aka ji bayan babban zafin jiki na jiyya yana rage tazarar Layer kuma yana sa ba shi da sauƙi a kai hari ta hanyar ƙwayoyin oxygen, don haka yana haɓaka ƙarfin antioxidant.

(3) Tsaftar graphite ji yana da girma, kuma abun cikin carbon ya fi 99.5%. Abun cikin carbon na ƙarancin zafin jiki da ake kula da carbon ji gabaɗaya bai wuce 93% ba, wanda ke da sauƙin haifar da gurɓataccen muhalli a cikin tanderu.

A cikin kalma, babban zafin jiki da aka kula da graphite ji yana da mafi kyawun tasiri da tsawon rayuwar sabis fiye da ƙarancin zafin carbon da aka ji.