Alumina yumbu nau'in yumbu ne na injiniya, kuma amfanin yau da kullun na samfuran yumbu sun bambanta sosai.Alumina yumbu kuma ana kiranta tukwane mai jurewa, saboda yana da kyakkyawan juriya, juriya na lalata, juriya mai zafi, don haka ana amfani dashi sosai a cikin ƙarfe, kwal, ma'adinai, siminti, sinadarai da sauran masana'antu, zaɓi ne mai kyau ga masana'antu. sa juriya.
Tsarin yin yumbura alumina gabaɗaya ya kasu kashi zuwa matakai da yawa: shirye-shiryen foda, latsawa, sintering.
Don yin tukwane mai jurewa tare da kyakkyawan aiki, dole ne a zaɓi foda mai kyau na alumina, wanda girman barbashi yawanci 1μm ko ƙasa da haka.A cikin aiwatar da shirye-shiryen foda, ya kamata a ƙara wasu additives don shirya foda tare da kaddarorin daban-daban.
Za a iya samar da yumburan alumina ta hanyoyi daban-daban.Hanyoyin da aka saba amfani da su sune bushe bushe matsakaiciyar mold, hanyar grouting, iska, hanya mai sauƙi, hanyar mawuyacin hanya ita ce mabuɗin don shirya babban aiki mai tsayayya. BeramGabaɗaya magana, tukwane na alumina da aka yi ta hanyar busassun latsawa da tsarin matsi na isostatic suna da taurin mafi girma da juriya.
Sintering alumina yumbu kuma mataki ne mai matukar muhimmanci.Daga cikin su, kula da zafin jiki na sintering shine mahimmin mahimmin mahimmanci, yana ƙayyade yawa, tsari da rayuwar sabis na yumbu.
Kowane mataki na samar daalumina ceramicsyana buƙatar sarrafawa na ƙwararru da ganowa, don samun kyakkyawan yumbu mai jure lalacewa.
Lokacin aikawa: Afrilu-17-2023