Zaɓuɓɓukan yumbu masu jujjuyawa nau'in nau'in nau'in abu ne mara daidaituwa tare da hadadden tsarin sararin samaniya. Tattalin zaruruwan bazuwar bazuwa ne, kuma wannan tsarin tsarin geometric mara ka'ida yana haifar da bambance-bambancen kaddarorinsu na zahiri.
Yawan fiber
Zaɓuɓɓukan yumbu masu ɓarkewa waɗanda aka samar ta hanyar narkewar gilashi, yawancin zaruruwan za a iya ɗaukar su daidai da yawa na gaskiya. Lokacin da yawan zafin jiki na rarrabuwa shine 1260 ℃, yawancin fibers masu ƙima shine 2.5-2.6g / cm3, kuma lokacin da zafin rarrabuwa shine 1400 ℃, ƙarancin yumburan yumbu mai ƙima shine 2.8g / cm3. Zaɓuɓɓukan polycrystalline da aka yi da aluminum oxide suna da nau'in gaske daban-daban saboda kasancewar ƙananan pores tsakanin ƙwayoyin microcrystalline a cikin zaruruwa.
Diamita na fiber
The fiber diamita narefractory yumbu zaruruwaHanyar gyare-gyaren allura mai zafi mai zafi wanda aka samar daga 2.5 zuwa 3.5 μm. Diamita na fiber na filayen yumbu masu jujjuyawa da aka samar ta hanyar saurin juyi mai zafi shine 3-5 μm. Diamita na zaruruwa masu juyawa baya koyaushe cikin wannan kewayon, kuma yawancin zaruruwan suna tsakanin 1-8 μm. Diamita na zaruruwan yumbu masu jujjuyawa kai tsaye yana shafar ƙarfi da haɓakar yanayin zafi na samfuran fiber masu jujjuyawa. Lokacin da diamita na fiber ya yi girma sosai, samfuran fiber na refractory suna jin wahala lokacin da za a taɓa su, amma haɓakar ƙarfin kuma yana ƙara haɓakar thermal. A cikin samfuran fiber masu jujjuyawa, ƙimar zafin zafi da ƙarfin zaruruwa suna da alaƙa da ƙima. Matsakaicin diamita na alumina polycrystalline shine gabaɗaya 3 μm. Diamita na mafi yawan zaruruwan yumbu masu jujjuyawa shine tsakanin 1-8 μ.
Lokacin aikawa: Mayu-04-2023
