Fuskar quartz

A cikin samar da Si da FeSi, babban tushen Si shine SiO2, a cikin nau'in ma'adini. Abubuwan da aka yi tare da SiO2 suna haifar da iskar SiO wanda ke ƙara yin amsa tare da SiC zuwa Si. A lokacin dumama, ma'adini zai canza zuwa wasu gyare-gyare na SiO2 tare da cristobalite a matsayin tsayayyen lokaci mai zafi. Canji zuwa cristobalite shine jinkirin tsari. An bincika ƙimar sa don tushen ma'adini na masana'antu da yawa kuma an nuna ya bambanta da yawa tsakanin nau'ikan quartz daban-daban. Sauran bambance-bambancen halaye yayin dumama tsakanin waɗannan maɓuɓɓugan quartz, kamar laushin zafin jiki da faɗaɗa girma, an kuma yi nazarin su. Matsakaicin ma'adini-cristobalite zai shafi adadin halayen da suka shafi SiO2. An tattauna sakamakon masana'antu da sauran abubuwan da ke haifar da bambancin da aka lura tsakanin nau'in ma'adini. A cikin aikin na yanzu, an samar da sabuwar hanyar gwaji, kuma bincike na sababbin maɓuɓɓugar quartz da yawa ya tabbatar da babban bambancin da aka gani a baya tsakanin maɓuɓɓuka daban-daban. An yi nazarin sake maimaita bayanan da kuma binciken tasirin iskar gas. Sakamako daga aikin farko an haɗa su azaman tushen tattaunawa.

Fused ma'adini yana da kyakkyawan yanayin zafi da sinadarai azaman kayan ciye-ciye don ci gaban kristal guda ɗaya daga narke, kuma babban tsarkinsa da ƙarancin farashi yana sa ya zama mai ban sha'awa musamman don haɓakar lu'ulu'u masu tsabta. Duk da haka, a cikin ci gaban wasu nau'in lu'ulu'u, ana buƙatar Layer na pyrolytic carbon shafi tsakanin narke da ma'adini crucible. A cikin wannan labarin, mun bayyana hanyar da ake amfani da murfin carbon pyrolytic ta hanyar jigilar tururi. Ana nuna hanyar don yin tasiri a samar da ingantacciyar sutura iri ɗaya akan nau'ikan girma da siffofi masu yawa. Sakamakon pyrolytic carbon shafi yana da ma'auni na attenuation na gani. A cikin kowane tsari na sutura, ana nuna kauri na rufi don kusanci darajar tasha tare da wutsiya mai ma'ana yayin da tsawon lokacin pyrolysis ya karu, kuma matsakaicin kauri yana ƙaruwa daidai gwargwado tare da rabon ƙarar tururin hexane da ake samu zuwa saman yanki na pyrolytic. shafi. An yi amfani da ma'adinan ma'adini da aka rufa da wannan tsari don samun nasarar girma har zuwa 2-in-diamita Nal lu'ulu'u guda ɗaya, kuma an sami ingancin saman Nal crystal don inganta yayin da kauri na rufi ya karu.