Koyi abin da aka yi da abin rufe fuska na mica board

Babban bangaren na insulating kayan mica jirgi ne mica. Mica ma’adinan dutse ne mai siffar lu’u-lu’u mai siffar lu’u-lu’u hexagonal. Halayen su ne rufi, babban juriya na zafin jiki, kuma ana amfani da sericite sosai a cikin masana’antu, wanda aka yi amfani da shi sosai a cikin sutura, fenti, rufin lantarki da sauran masana’antu.

Mica kalma ce ta gaba ɗaya don ma’adanai na ƙungiyar mica. Yana da aluminosilicate na karafa irin su potassium, aluminum, magnesium, iron, da lithium. Dukkansu sifofi ne masu lebur da tsarin monoclinic. Lu’ulu’u suna cikin nau’i na flakes na pseudo-hexagonal ko faranti, lokaci-lokaci columnar.

Ragewar da aka yi da shi ya cika sosai, tare da ƙoshin gilashi, kuma takardar tana da elasticity. Fihirisar refractive na mica yana ƙaruwa daidai da haɓakar abun ciki na ƙarfe, kuma yana iya kewayo daga ƙananan ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararru. Bambancin ba tare da baƙin ƙarfe ba shi da launi a cikin flakes. Mafi girman abun ciki na ƙarfe, da duhu launi, da kuma pleochroism da sha suna inganta.

Mica yana da abubuwa da yawa na zahiri da sinadarai, irin su mafi kyawun juriya na zafin jiki, rufin zafi, tauri, da sauransu, don haka allon mica ɗin da aka sarrafa, wanda galibi ana amfani da shi azaman kayan kariya don kayan lantarki, an yi shi da mica. Ba a yi amfani da allon mica da aka gama ba kawai a cikin rufin lantarki, amma kuma ana amfani da su sosai a masana’antar sinadarai kamar kayan gini, robobi, da roba.

Muscovite ne mafi amfani a cikin masana’antu, biye da phlogopite, wanda aka yadu amfani da sinadaran masana’antu kamar gini kayan masana’antu, wuta yaki masana’antu, wuta kashe wuta, walda sanda, robobi, lantarki rufi, papermaking, kwalta takarda, roba, pearlescent pigments. da dai sauransu.

allon Mica A ƙarƙashin yanayi na al’ada, abun cikin mica na allon mica ya kai kusan 90%, sauran 10% kuma galibi manne ne da sauran mannewa. Gilashin mica mai wuyar da muke samarwa zai iya tsayayya da zafin jiki na digiri 500 a cikin yanayin aiki na al’ada na dogon lokaci, kuma zai iya tsayayya da yanayin zafi na 850 digiri Celsius a cikin gajeren lokaci;

Bugu da ƙari, phlogopite ɗin mu na iya aiki a cikin matsakaicin yanayi na digiri 1000 na Celsius, kuma ya fi shahara saboda juriya na lalacewa yana cikin samfuran *.