Graphite mai faɗaɗawa abu ne mai kama da tsutsa mai laushi wanda aka shirya daga flakes na graphite ta hanyar hanyoyin haɗa kai, wanke ruwa, busarwa da faɗaɗa zafin jiki mai yawa. Graphite mai faɗaɗawa zai iya faɗaɗa nan take sau 150 ~ 300 a girma lokacin da aka fallasa shi ga babban zafin jiki, yana canzawa daga flake zuwa kama da tsutsa, don haka tsarin ya kasance sako-sako, mai ramuka da lanƙwasa, yankin saman ya faɗaɗa, ƙarfin saman ya inganta, kuma ƙarfin sha na flake graphite yana ƙaruwa. haɗuwa, wanda ke ƙara laushi, juriya da laushi. Editan graphite na Furuite mai zuwa zai yi muku bayani game da manyan jagororin ci gaba na faɗaɗa graphite:
1. Graphite mai faɗi da girmansa: Ƙaramin graphite mai faɗi da girmansa galibi yana nufin graphite mai faɗi da za a iya faɗaɗawa, kuma girman faɗaɗawarsa shine 100ml/g. Ana amfani da wannan samfurin musamman don shafa mai hana harshen wuta, kuma buƙatarsa tana da yawa sosai.
2. Faɗaɗa graphite tare da babban zafin faɗaɗawa na farko: zafin faɗaɗawa na farko shine 290-300 ° C, kuma girman faɗaɗawa shine ≥ 230 ml/g. Wannan nau'in graphite da aka faɗaɗa galibi ana amfani da shi ne don hana harshen wuta na injiniyan robobi da roba.
3. Ƙananan zafin faɗaɗawa na farko da ƙaramin zafin faɗaɗawa na graphite: zafin da wannan nau'in graphite da aka faɗaɗa ya fara faɗaɗawa shine 80-150°C, kuma girman faɗaɗawa ya kai 250ml/g a 600°C.
Masana'antun graphite da aka faɗaɗa za su iya sarrafa graphite da aka faɗaɗa zuwa graphite mai sassauƙa don amfani da shi azaman kayan rufewa. Idan aka kwatanta da kayan rufewa na gargajiya, graphite mai sassauƙa yana da kewayon zafin jiki mai faɗi, kuma ana iya amfani da shi a cikin iska a cikin kewayon -200℃-450℃, kuma yana da ƙaramin ma'aunin faɗaɗa zafi. An yi amfani da shi sosai a cikin sinadarai na petrochemical, injuna, ƙarfe, makamashin atomic da sauran masana'antu.
Lokacin Saƙo: Yuni-02-2022