1.High n'ibu ike.The flexural ike nkealumina poselin sintered ngwaahịaruru 250MPa, na nke ngwaahịa na-ekpo ọkụ na-eru 500MPa.Ihe mejupụtara alumina dị ọcha, ka ike dị elu.Enwere ike idobe ike ruo 900 Celsius na oke okpomọkụ.Iji ike n'ibu nkealumina poselin, enwere ike ime ya ka ọ bụrụ akụkụ igwe dị ka poselin.The mohs hardness nkealumina seramiikinwere ike iru 9, gbakwunyere na ọ nwere nkwụsi ike na-eyi nke ọma, n'ihi ya, a na-ejikarị ya eme ihe n'ichepụta ngwá ọrụ, valvụ bọl, wiil na-egweri, mbọ seramiiki, bearings, wdg, n'ime nke alumina seramiiki ngwá ọrụ na valves ụlọ ọrụ na-ejikarị eme ihe.
2.High resistivity, ezigbo mkpuchi ọkụ eletrik.Ime ụlọ okpomọkụ resistivity nkealumina poselinbụ 1015 Ω·cm, na ike mkpuchi bụ 15kV / mm.N'iji mkpuchi ya na ike ya, enwere ike ịme ya ka ọ bụrụ mkpụrụ, oghere, ihe ọkụ ọkụ, shei sekit na ihe ndị ọzọ.
3.High ike.Alumina poselinmohs hardness nke 9, gbakwunyere nkwụsi ike na-eyi nke ọma, ya mere a na-eji ya eme ihe n'ichepụta ngwá ọrụ, igwe na-egweri, ngwaọrụ egweri, ịbịaru anwụ, extrusion anwụ, bearings na ihe ndị ọzọ.Enwere ike nweta nkenke dị elu na ọsọ ọsọ dị elu mgbe ị na-arụ ọrụ ụgbọ ala na akụkụ ụgbọ elu na-eji ngwá ọrụ seramiiki alumina.
4.High agbaze ebe.The corrosion eguzogide nke alumina poselin bụ 2050 ℃, na o nwere ezigbo eguzogide ịbụ, Sr, Ni, Al, V, Ta, Mn, Fe, Co na ndị ọzọ gbazee ọla.Ọ na-eguzogide ọgwụ mgbochi NaOH, iko na slag.Ọ naghị emekọrịta ihe na Si, P, Sb na Bi na ikuku inert.Ya mere, ọ ga-eji dị ka refractory ihe, ọkụ tube, iko waya ịbịaru crucible, oghere bọl, eriri, thermocouple mkpuchi mkpuchi, wdg.
5. Nkwụsi ike kemịkal dị mma.Ọtụtụ sulfide dị mgbagwoju anya, phosphates, arsenides, chlorides, nitride, bromides, iodides, oxides, na sulfuric, hydrochloric, nitric, na hydrofluoric acid adịghị emekọrịta ihe na alumina.Ya mere, alumina nwere ike ime ka metal dị ọcha na otu kristal growth crucible, nkwonkwo mmadụ, ọkpụkpụ artificial na ihe ndị ọzọ.
6. Ngwa anya.Alumina poselinenwere ike mee ka ọ bụrụ ihe na-ahụ anya (transperent alumina poselin), sodium vapor lamp, microwave fairing, infrared window, laser oscillation element, wdg.
7.Lonic conductivity.Alumina poselinenwere ike iji ya mee ihe dị ka ihe onwunwe anwụ na ihe batrị.
Oge nzipu: Jun-21-2022