Fasahar Shiri Na Alumina Ceramics (1)

Shiri na foda

Alumina fodaan shirya shi cikin kayan foda bisa ga buƙatun samfur daban-daban da tsarin gyare-gyare daban-daban.Girman barbashi na foda bai wuce 1μm ba.Idan ya zama dole don kera high tsarki alumina yumbu kayayyakin, ban da tsarki na alumina ya kamata a sarrafa a cikin 99.99%, shi ma bukatar wani gudanar da wani ultrafine nika tsari don sa ta barbashi size rarraba uniform.

Lokacin amfani da extrusion gyare-gyare ko allura gyare-gyare, dauri da filastik wakili ya kamata a gabatar a cikin foda, kullum a cikin nauyi rabo na 10-30% thermoplastic roba ko guduro, Organic dauri ya kamata a gauraye da alumina foda a 150-200 ℃ zazzabi a ko'ina. domin sauƙaƙe aikin gyare-gyare.

Kayan foda da aka kafa ta hanyar matsi mai zafi baya buƙatar ƙara ɗaure.Idan amfani da Semi-atomatik ko atomatik bushe latsa gyare-gyaren, akwai musamman fasaha da bukatun ga foda, muna bukatar mu yi amfani da SPRAY granulation Hanyar bi da foda, sa shi bayyana mai siffar zobe, domin inganta fluidity na foda, sauki. don cika bangon mold ta atomatik a cikin tsari.Ana buƙatar fesa granulation na foda a lokacin bushe bushe, kuma an gabatar da barasa na polyvinyl azaman mai ɗaure.A cikin 'yan shekarun nan, wata cibiyar bincike a birnin Shanghai ta samar da paraffin mai narkewa da ruwa a matsayin abin da zai iya fesa granulation na Al2O3, wanda ke da ruwa mai kyau a karkashin dumama.A foda bayan fesa granulation dole ne mai kyau fluidity, sako-sako da yawa, ya kwarara Angle gogayya zafin jiki kasa da 30 ℃, manufa barbashi size rabo da sauran yanayi, don samun mafi girma yawa na bayyana kore.

Hanyar gyare-gyare

Hanyoyin gyare-gyare naalumina yumbu kayayyakinsun hada da busassun latsawa, grouting, extrusion, sanyi isostatic latsawa, allura, kwarara simintin gyare-gyare, matsi mai zafi da latsawar isostatic mai zafi.A cikin 'yan shekarun nan a gida da waje kuma ɓullo da matsa lamba tace gyare-gyaren, kai tsaye solidification allura gyare-gyare, gel allura gyare-gyaren, centrifugal allura gyare-gyaren da m free gyare-gyaren gyare-gyaren fasaha hanyoyin.Siffofin daban-daban, masu girma dabam, sifofi masu rikitarwa da daidaitattun samfuran suna buƙatar hanyoyin gyare-gyare daban-daban.