IBICURUZWA
Amatafari yoroheje ya Mullite 0.8
Ibisobanuro byoroheje Mullite Amatafari
Ibikoresho byinshi bya alumina byangiritse hamwe na mullite nkicyiciro nyamukuru cya kristu muri rusange gifite alumina ya 50% -75%. Ubushyuhe bwo kugabanya amatafari yoroheje ya mullite arashobora kugera hejuru ya 1790 ℃. Umutwaro woroshye gutangira ubushyuhe ni 1600-1700 ℃. Icyumba cy'ubushyuhe bwo mucyumba ni cyoroshye 70-260MPa. Kurwanya ubushyuhe bwiza. Hariho ubwoko bubiri: amatafari ya mullite yacuzwe hamwe n'amatafari ya mullite.
Amatafari ya mullite acumuye akozwe muri clinker-alumina ya bauxite nkibikoresho nyamukuru, hamwe n’ibumba rito ryibumba cyangwa bauxite mbisi nka binder, kandi irashirwaho kandi iracumura. Amatafari ya mullite yahujwe akozwe muri bauxite-alumina yo hejuru, alumina yinganda n ibumba ryangiritse, hamwe namakara cyangwa kokiya nziza yongeweho nkibintu bigabanya. Nyuma yo gukora, bikozwe nuburyo bwo kugabanya fusion. Kirisiti ya mullite yahujwe nini kuruta iyo mullite yacumuye, kandi guhangana nubushyuhe bwumuriro nibyiza kuruta ibicuruzwa byacumuye. Imikorere yubushyuhe bwo hejuru ahanini iterwa nibiri muri alumina hamwe nuburinganire bwo gukwirakwiza icyiciro cya mullite nikirahure.
Ibikoresho byinshi-bya alumina byangiritse hamwe na mullite (3Al2O3 · 2SiO2) nkicyiciro nyamukuru cya kristu. Muri rusange alumina iri hagati ya 65% na 75%. Usibye mullite, imyunyu ngugu irimo kandi akantu gato k'ikirahuri na quartz hamwe na alumina yo hasi; n'umubare muto wa corundum hamwe nibirimo alumina yo hejuru. Amatafari yoroheje ya mullite arashobora gukoreshwa mu buryo butaziguye mu itanura ry’ubushyuhe bwo hejuru, kandi kuri ubu rikoreshwa cyane mu itanura ry’amashanyarazi, itanura rya roller, ibirahuri hamwe n’ibikomoka kuri peteroli.
Ibipimo byumubiri nubumashini byamatafari mullite yoroheje ni ibi bikurikira:
Bikoreshwa kuri:
Itanura ryo gushonga ibirahuri byubatswe hejuru yububiko bwamatafari, amasahani yo guhindura, gutunganya itanura hejuru, amatafari ya E-ibirahure. Kurasa itanura, gushonga itanura, ibikoresho byo gutunganya, ibikoresho byo gushyushya, nibindi bikoresho byubushyuhe. Ahantu ho gukoreshwa: inganda zubutaka, inganda zikirahure, inganda zibyuma, inganda za peteroli, inganda za aluminium, nizindi nganda.