Alpha-alumina yana da kaddarorin sinadarai masu ƙarfi, juriya ga tsatsa, ƙarfin tauri, kyawawan kaddarorin kariya, wurin narkewa mai yawa da kuma ƙarfin tauri, kuma ana amfani da shi a fannoni daban-daban.
Amfani da foda α-alumina a cikin tukwane
Gilashin alumina na microcrystalline wani sabon nau'in kayan yumbu ne mai tsari iri ɗaya da mai yawa da kuma girman ƙwayar nano ko sub-micron. Yana da fa'idodin ƙarfin injiniya mai ƙarfi, juriyar lalacewa, juriyar tsatsa, juriyar oxidation, daidaitaccen faɗaɗawa da kwanciyar hankali mai kyau. Babban fasalinsa shine babban lu'ulu'u ƙarami ne. Saboda haka, mafi mahimmancin yanayin fasaha don shirya yumburan alumina na microcrystalline shine shirya foda na α-Al2O3 tare da ƙaramin lu'ulu'u na asali da kuma babban aikin sintering. Wannan foda na α-Al2O3 na iya zama jikin yumbu mai yawa a yanayin zafi mai ƙarancin sintering.
Amfani da foda α-alumina a cikin kayan da ba su da ƙarfi
Foda α-Al2O3 ya bambanta a kayan da ke hana ruwa shiga bisa ga aikace-aikacen, kuma buƙatun foda suma sun bambanta. Misali, idan kuna son hanzarta yawan kayan da ke hana ruwa shiga, nano-alumina shine mafi kyawun zaɓi; idan kuna son shirya kayan da ke hana ruwa shiga, kuna buƙatar foda α-Al2O3 mai kauri, ƙaramin raguwa, da juriya mai ƙarfi ga nakasa. Kyandirori masu siffar flake ko faranti sun fi kyau; amma idan abu ne mai hana ruwa shiga, ana buƙatar α-Al2O3 don samun kyakkyawan ruwa, yawan aikin sintering, kuma rarrabawar girman barbashi yana buƙatar mafi girman yawan ruwa shiga, kuma kyandirori masu laushi sun fi kyau.
Amfani da foda α-alumina a cikin kayan gogewa
Aikace-aikacen gogewa daban-daban suna buƙatar kayan aiki daban-daban. Kayayyakin gogewa mai ƙarfi da gogewa mai matsakaici suna buƙatar ƙarfin yankewa mai ƙarfi da tauri mai yawa, don haka ana buƙatar ƙananan tsarinsu da lu'ulu'u su zama masu kauri; foda na α-alumina don gogewa mai kyau yana buƙatar cewa samfurin da aka goge yana da ƙarancin kauri a saman da kuma sheƙi mai yawa. Saboda haka, ƙaramin babban lu'ulu'u na α-Al2O3, mafi kyau.
Amfani da foda α-alumina a cikin kayan cikawa
A cikin kayan cikawa, domin tabbatar da cewa ya haɗu da kyau da kwayoyin halitta da kuma rage tasirin da ke kan danko na tsarin, mafi mahimmancin buƙata ga α-Al2O3 shine cewa ruwan ya isa, zai fi dacewa ya zama mai siffar ƙwallo, saboda girman sphericity, saman yana da girma. Ƙaramin kuzari, mafi kyawun ruwan saman ƙwallon; na biyu, foda α-Al2O3 tare da cikakken ci gaban lu'ulu'u, tsarkin sinadarai mai yawa da babban nauyi na gaske yana da ingantaccen yanayin zafi da ingantaccen tasiri lokacin amfani da shi don kayan rufi da sarrafa zafi.
Amfani da foda α-alumina a cikin kayan capacitor corundum
A cikin masana'antu, ana yin amfani da foda mai tsabta na α-alumina a cikin tanda mai zafi don yin corundum na wucin gadi, wanda aka fi sani da corundum mai haɗe. Wannan kayan yana da halaye na tauri mai yawa, gefuna masu haske da kusurwoyi, kuma ƙaramin tsarin yana da kyau kusa da zagaye. A cikin tsarin niƙa mai sauri, ƙwayoyin da ke lalata suna da ƙarfin yankewa mai ƙarfi, kuma ƙwayoyin da ke lalata ba su da sauƙin karyewa. Ta haka ne ake ƙara tsawon rayuwar sabis ɗinsa.