Alpha-alumina yana da kaddarorin sinadarai masu tsayayye, juriya na lalata, babban taurin, kyawawan kaddarorin rufewa, babban narkewa da ƙarfi, kuma ana amfani dashi a fannoni daban-daban.
Aikace-aikacen α-alumina foda a cikin yumbu
Microcrystalline alumina yumbu wani sabon nau'in kayan yumbu ne wanda ke da tsari iri ɗaya da ƙaƙƙarfan tsari da nano ko girman ƙwayar ƙananan micron.Yana da abũbuwan amfãni daga high inji ƙarfi, sa juriya, lalata juriya, hadawan abu da iskar shaka juriya, daidaitacce fadada coefficient da kyau thermal kwanciyar hankali.Babban fasalinsa shine kristal na farko karami ne.Sabili da haka, mafi mahimmancin yanayin fasaha don shirye-shiryen microcrystalline alumina ceramics shine shirya α-Al2O3 foda tare da ƙananan crystal na asali da babban aikin sintering.Wannan α-Al2O3 foda zai iya zama jikin yumbu mai yawa a ƙananan zafin jiki mai sauƙi.
Aikace-aikace na α-alumina foda a cikin kayan da aka gyara
α-Al2O3 foda ya bambanta a cikin kayan haɓakawa bisa ga aikace-aikacen, kuma buƙatun foda kuma sun bambanta.Misali, idan kuna son haɓaka haɓakar haɓakar kayan haɓakawa, nano-alumina shine mafi kyawun zaɓi;idan kana so ka shirya refractories siffa, kana bukatar α-Al2O3 foda tare da m hatsi, kananan shrinkage, da kuma karfi nakasawa juriya.Flake ko farantin karfe crystallites sun fi kyau;amma idan yana da wani amorphous refractory abu, α-Al2O3 ake bukata don samun mai kyau fluidity, high sintering aiki, da barbashi size rarraba bukatar mafi girma girma yawa, kuma lafiya-grained crystallites ne mafi alhẽri.
Aikace-aikacen α-alumina foda a cikin kayan gogewa
Daban-daban aikace-aikace polishing na bukatar daban-daban kayan.Samfura don m polishing da matsakaici polishing bukatar karfi yankan karfi da kuma high taurin, don haka su microstructure da lu'ulu'u ake bukata su zama m;α-alumina foda don gyaran gyare-gyare mai kyau yana buƙatar samfurin da aka goge yana da ƙananan ƙarancin ƙasa da babban sheki Saboda haka, ƙarami na farko na α-Al2O3, mafi kyau.
Aikace-aikacen α-alumina foda a cikin kayan filler
A cikin kayan da aka cika, don tabbatar da cewa ya haɗu da kyau tare da kwayoyin halitta da kuma rage tasiri a kan danko na tsarin, mafi mahimmancin abin da ake bukata don α-Al2O3 shine cewa ruwa yana da kyau sosai, zai fi dacewa da siffar zobe, saboda mafi girma. sphericity, da surface.Karamin kuzari, mafi kyawun yanayin ruwa na kwallon;abu na biyu, da α-Al2O3 foda tare da cikakken crystal ci gaba, high sinadaran tsarki da kuma high gaskiya takamaiman nauyi yana da mafi kyau thermal watsin da mafi tasiri lokacin amfani da insulating da thermally conductive kayan.
Aikace-aikace na α-alumina foda a cikin capacitor corundum abu
A cikin masana'antu, α-alumina foda mai tsabta sau da yawa ana yin shi a cikin tanderun lantarki mai zafi don yin corundum na wucin gadi, wanda kuma aka sani da fused corundum.Wannan abu yana da halaye na babban taurin, bayyanannun gefuna da sasanninta, kuma microstructure ya fi dacewa kusa da mai siffar zobe.A cikin aiwatar da niƙa mai sauri, ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar cuta ba ta da sauƙi don karyawa.