Graphite crucible refractory da zazzabi

Graphite yana da nau’ikan aikace-aikace da yawa kuma yana ɗaya daga cikin ma’adanai waɗanda ke jure yanayin zafi. Kamar graphite crucibles, an yi su da albarkatun graphite na halitta kuma suna riƙe ainihin kyawawan kaddarorin graphite. Menene zafin zafin graphite crucible?

Amfanin graphite crucible:

1. Saurin tafiyar da zafi mai sauri, babban yawa, rage lokacin rushewa, adana makamashi, ingantaccen samar da inganci, da adana ma’aikata.

2. Tsarin Uniform, ƙayyadaddun ƙayyadaddun juriya da kwanciyar hankali mai kyau.

3. Kariyar muhalli, ceton makamashi, juriya na lalata, juriya na acid da alkali, da dai sauransu.

HOTO: Graphite crucible

Kamar jan karfen mu na yau da kullun, aluminum, zinare, azurfa, gubar, zinc da gami, ana iya narkar da su duka ta soket ɗin graphite. Ana iya ganin zafin da graphite crucible zai iya jurewa ya fi narkewar waɗannan karafa.

Matsayin narkewa na graphite shine 3850°C±50°, kuma wurin tafasa shine 4250°C. Graphite abu ne mai tsafta, nau’in lu’u-lu’u. Ƙarfinsa yana ƙaruwa tare da ƙara yawan zafin jiki. A 2000 ° C, ƙarfin graphite ya ninka. Ko da ta fuskanci zafi mai zafi sosai, asarar nauyi kadan ne, kuma ma’aunin haɓakar thermal kuma ƙananan ƙananan ne.

Yaya girman juriya mai zafi na graphite crucible? Hakanan yana yiwuwa a kai digiri 3000, amma editan ya ba da shawarar cewa zafin amfani da ku bai kamata ya wuce digiri 1400 ba, saboda yana da sauƙin zama oxidized kuma ba mai dorewa ba.