Ni ayahe matafari akoreshwa mu gushyushya amatanura? Ubuyobozi bwuzuye

Amatafari y'ibumba ni yo matafari y'ibanze akoreshwa cyane mu itanura rishyushya. Yakozwe muri kaolini ifite hafi30% Al₂O₃, zirangwa no kwihanganira ubushyuhe bwinshi kandi zihendutse, bigatuma ziba nziza cyane mu bice bifite ubushyuhe buringaniye.(1200–1400℃)nk'inkuta z'itanura, amashyiga, n'ibisenge by'itanura bifite ubushyuhe buke. Ubushyuhe bwabyo bwiza burinda gucikamo ibice bitewe n'impinduka zihuse z'ubushyuhe, mu gihe ubushobozi bwabyo bwo kugabanyirizwa bufasha kugenzura ikiguzi cy'umushinga muri rusange, bigatuma biba amahitamo meza ku itanura risanzwe ry'inganda.

Amatafari ya alumina nini ni ubundi buryo bwavuguruwe bwo gusimbura amatafari y'ibumba, arimo hejuru48% Al₂O₃Ifite ubushobozi bwo kubyihanganira cyane(1400–1600℃), zifite imbaraga zo gukandagira neza, kandi zirwanya isuri cyane, zikwiriye ibice bishyuha cyane nk'amatanura, hejuru y'amatanura, n'inzugi z'amatanura. Zishyizwe mu byiciro hakurikijwe ingano ya Al₂O₃, zujuje ibisabwa bitandukanye by'ubushyuhe, bigatuma zikoreshwa cyane mu matanura ashyushya hakoreshejwe ibyuma n'imiti aho bisaba ubushyuhe bwinshi.

Amatafari ya silica, hamweIbikubiye muri SiO₂ biri hejuru ya 94%, irakora neza mu bushyuhe bwinshi, hamwe n'ubushyuhe bworoshye bw'umuzigo buri hejuru y'ubushyuhe1650℃Zikoreshwa cyane cyane mu bice bishyuha cyane nko mu matwi y'itanura no mu byuma bivugurura, cyane cyane mu kirere cy'itanura gitanga ogisijeni. Ariko, ubushobozi bwazo bwo kudakoresha ubushyuhe buke butuma zidashobora gukoreshwa mu bice bifite ihindagurika ry'ubushyuhe kenshi.

Amatafari ya aluminiyumu, harimo amatafari ya magnesia na magnesia-alumina, yagenewe ibidukikije bikomeye. Amatafari ya magnesia, agizwe ahanini naMgO, ishobora kwihanganira ubushyuhe bugera kuri2000℃kandi zirwanya cyane slag ya alkaline, bigatuma zikoreshwa mu gutwikira amatafari n'imirongo ya slag ihuye n'iy'alkaline ishonga. Amatafari ya Magnesia-alumina yongerera imbaraga slag y'ubushyuhe binyuze mu kongeramo alumina, bigatuma zihura n'imimerere igoye yo gukora.

Amatafari yihariye arwanya ihindagurika nk'amatafari ya korundum(Al₂O₃ ≥90%)n'amatafari ya silikoni karubide akoreshwa ku bice by'ingenzi. Amatafari ya Corundum arwanya ubushyuhe buri hejuru y'ubushyuhe1800℃kandi ni byiza cyane ahantu hashobora kwangirika umuriro cyangwa haterwa n’isuri ikomeye y’ibitaka. Amatafari ya silicon carbide atanga ubushobozi bwo kurwanya kwangirika no kurwanya ubushyuhe, akwiriye ku byuma byo hasi mu itanura, mu byuma bishyushya, no mu bindi bice bikunze kwangirika cyane.