Alumina seramiiki bụ ụdị alumina (Al2O3) dị ka isi seramiiki ihe, eji na oké film integrated sekit.Alumina seramiiki nwere ezigbo conductivity, arụ ọrụ ike na elu okpomọkụ iguzogide.
A na-ekewa seramiiki alumina ugbu a ụzọ abụọ: ịdị ọcha dị elu na nkịtị.Alumina seramiiki dị ọcha dị elu karịa 99.9% Al2O3 ọdịnaya nke ihe seramiiki, n'ihi okpomọkụ ya na-agbago ruo 1650-1990 ℃, ntụgharị ntụgharị nke 1 ~ 6μm, nke ejiri iko gbazere mee ka ọ dochie platinum crucible.N'ihi na nke ìhè transmittance na iguzogide alkali metal corrosion, ọ ga-eji dị ka sodium oriọna tube, na ngwá electronic ụlọ ọrụ nwekwara ike-eji dị ka integrated circuit osisi na elu ugboro mkpuchi ihe.
A na-ekewa seramiiki alumina nkịtị n'ime 99 poselin, 95 poselin, 90 poselin, 85 poselin na ụdị ndị ọzọ dị ka ọdịnaya Al2O3 si dị, mgbe ụfọdụ Al2O3 ọdịnaya na 80% ma ọ bụ 75% na-ewerekwa dị ka usoro alumina seramiiki nkịtị.N'ime ha, a na-eji 99 alumina seramiiki ihe eji eme ihe na-eme ka okpomọkụ dị elu, tube ọkụ na ihe ndị pụrụ iche na-eguzogide, dị ka seramiiki bearings, seramiiki akara na mmiri valves, wdg. akụkụ;85 alumina seramiiki ihe na-ejikọta ya na akụkụ nke talc, na-emeziwanye ihe eletriki na ike arụ ọrụ, ma nwee ike mechie ya na molybdenum, niobium, tantalum na ọla ndị ọzọ, ụfọdụ na-ejikwa dị ka ngwaọrụ ọkụ eletrik.
Oge nzipu: Eprel-28-2022