Nchịkọta zuru ezu nke ụkpụrụ kpo oku nke mkpanaka graphite

Nchịkọta zuru ezu nke ụkpụrụ kpo oku nke mkpanaka graphite

A na-ejikarị mkpanaka graphite mee ihe dị kaIgwe ọkụ eletrik nke ọkụ ọkụ na-ekpo ọkụ na-ekpo ọkụ. Ọ dị mfe oxidize na elu okpomọkụ. Ewezuga oghere, enwere ike iji ya na ikuku na-anọpụ iche ma ọ bụ belata ikuku. Ọ nwere obere ọnụọgụ nke mgbasawanye thermal, nnukwu ikuku ọkụ, oke okpomọkụ na-eguzogide, oke oyi na oke okpomọkụ, na ọnụ ala dị ala. Ọnụ ọgụgụ oxidation na ọnụego volatilite nke graphite na-emetụta ndụ ọrụ nke onye na-emepụta ọkụ. Mgbe ezi ohere bụ 10-3 ~ 10-4 mmHg, ọrụ okpomọkụ kwesịrị n'okpuru 2300 ℃. Na ikuku nchebe (H2, N2, AR, wdg), okpomọkụ ọrụ nwere ike iru 3000 ℃. Enweghị ike iji graphite mee ihe na ikuku, ma ọ bụghị ya, ọ ga-abụ oxidized ma rie ya. Ọ na-emeghachi omume ike na W n'elu 1400 ℃ iji mepụta carbides.
Ihe mejupụtara mkpanaka graphite bụ graphite, yabụ anyị nwekwara ike ịghọtanjirimara nke graphite:
Ebe mgbaze nke graphite dị oke elu. Ọ na-amalite ịdị nro ma na-agbaze mgbe ọ ruru 3000C n'okpuru oghere. Na 3600c, graphite na-amalite ịpụ apụ na mmiri. Ike nke ihe n'ozuzu nke nta nke nta na-ebelata na elu okpomọkụ. Otú ọ dị, mgbe graphite na-ekpo ọkụ ruo 2000c, ike ya dị okpukpu abụọ na okpomọkụ. Otú ọ dị, nguzogide oxidation nke graphite adịghị mma, ọnụ ọgụgụ oxidation na-eji nwayọọ nwayọọ na-abawanye na mmụba nke okpomọkụ.
The thermal conductivity na conductivity nke graphite dị nnọọ elu. Nrụgharị ya dị okpukpu 4 dị elu karịa nke igwe anaghị agba nchara, okpukpu abụọ dị elu karịa nke carbon steel na 100 ugboro dị elu karịa nke nkịtị na-abụghị metal. Igwe ọkụ ọkụ ya abụghị naanị karịa nke ihe igwe dị ka ígwè, ígwè na ụzọ, kamakwa ọ na-ebelata na mmụba nke okpomọkụ, nke dị iche na ihe ndị na-emepụta ihe n'ozuzu. Graphite na-achọkwa ịbụ adiabatic na oke okpomọkụ. Ya mere, arụmọrụ mkpuchi ọkụ nke graphite bụ ihe a pụrụ ịdabere na ya n'okpuru ọnọdụ okpomọkụ dị elu.
N'ikpeazụ, anyị nwere ike ikwubi na kpo oku ụkpụrụ nkemkpanaka graphitebụ: ka ihe dị ugbu a na-agbakwunye na mkpanaka graphite, nke dị elu nke elu okpomọkụ nke mkpanaka graphite.