Zaren yumbu masu jurewa wani nau'in abu ne mai ramuka marasa tsari wanda ke da tsari mai rikitarwa. Tarin zare bazuwar bazuwar kuma ba shi da tsari, kuma wannan tsarin geometric mara tsari yana haifar da bambancin halayensu na zahiri.
Yawan zare
Zaruruwan yumbu masu hana ruwa da aka samar ta hanyar narkewar gilashi, ana iya ɗaukar yawan zaruruwan a matsayin iri ɗaya da yawan gaske. Lokacin da zafin rarrabuwa ya kai 1260 ℃, yawan zaruruwan masu hana ruwa da aka samar shine 2.5-2.6g/cm3, kuma lokacin da zafin rarrabuwa ya kai 1400 ℃, yawan zaruruwan yumbu masu hana ruwa da aka samar shine 2.8g/cm3. Zaruruwan polycrystalline da aka yi da aluminum oxide suna da yawan gaske daban-daban saboda kasancewar ƙananan ramuka tsakanin ƙwayoyin microcrystalline a cikin zaruruwan.
Diamita na zare
Diamita na fiber nazaruruwan yumbu masu tsaurin ra'ayiAna samar da hanyar ƙera allurar narkewa mai zafi daga 2.5 zuwa 3.5 μm. Diamita na zare na yumbu mai ƙarfi da aka samar ta hanyar juyawa mai sauri na zafin jiki shine 3-5 μm. Diamita na zare na refractory ba koyaushe yake cikin wannan kewayon ba, kuma yawancin zare suna tsakanin 1-8 μm. Diamita na zare na yumbu mai ƙarfi yana shafar ƙarfi da juriyar zafi na samfuran zare mai ƙarfi kai tsaye. Lokacin da diamita na zare ya yi girma, samfuran zare mai ƙarfi suna jin wahala lokacin taɓawa, amma ƙaruwar ƙarfi kuma yana ƙara juriyar zafi. A cikin samfuran zare mai ƙarfi, juriyar zafi da ƙarfin zare suna da daidaiton juzu'i. Matsakaicin diamita na alumina polycrystalline gabaɗaya shine 3 μm. Diamita na yawancin zare na yumbu mai ƙarfi yana tsakanin 1-8 μm.
Lokacin Saƙo: Mayu-04-2023
