amakuru

Ifu ya silicate ya aluminiyumu ikorwa binyuze mu buryo bwa shimi. Urugero, uburyo bwa sol-gel bukubiyemo guhuza umunyu wa aluminiyumu (urugero, nitrati ya aluminiyumu) ​​na silikoni irimo ibibanza (nk'iy'inyabutabire ya tetraethyl) mu gisubizo cy'amazi. Ubu buryo bukora jeli, hanyuma ikamanywa igashyirwamo calcium ku bushyuhe bwinshi (800 - 1200°C) kugira ngo ikore ifu nziza. Guhuza amazi n'ubushyuhe ni ubundi buryo, aho ibikoresho fatizo bikora munsi y'umuvuduko mwinshi n'ubushyuhe mu mazi, bigatuma habaho kugenzura neza ingano y'uturemangingo n'imiterere yabyo.

Ifu ya aluminiyumu silicate igaragaza ubushyuhe budasanzwe, aho ubushyuhe bwayo bushobora gushonga burenga 1600°C, bigatuma ikoreshwa mu bushyuhe bwinshi. Irwanya ingese nyinshi zituruka kuri aside na alkali nyinshi, mu gihe ubushyuhe bwayo buke butanga ubushyuhe bwiza. Ingano y'uduce tw'ifu, kuva kuri mikorometero nto kugeza kuri mikorometero nyinshi, igira ingaruka ku buryo ikora neza kandi igakwirakwira. Impinduka zahinduwe ku buso, zivuwe na silane cyangwa polymer, zituma ihura n'ibindi bikoresho.

Mu byuma bya ceramic, ikora nk'ikintu cy'ingenzi mu bikoresho bya porcelain, ibikoresho by'amabuye, n'ibikoresho birwanya ubushyuhe, yongera imbaraga za mekanike kandi ikagabanya kwaguka k'ubushyuhe. Urugero, mu bikoresho byo mu itanura, ibikoresho birwanya ubushyuhe bishingiye kuri aluminiyumu bihangana n'ubushyuhe bugera kuri 1800°C. Mu gukora impapuro, ikora nk'ibara ry'ibara, yongera urumuri, kudahinduka, no gucapa. Inganda zikora amavuta yo kwisiga ziyikoresha nk'iyuzuza ifu n'amavuta, itanga imiterere yoroshye n'ubushobozi bwo gukurura amavuta.

Mu bwubatsi, ibikoresho byo gukingira bishingiye kuri aluminiyumu silicate, nk'amabati n'imbaho, bikoreshwa mu nyubako no mu nganda kugira ngo bigabanye ubushyuhe. Mu by'ikoranabuhanga, ikubiyemo imiyoboro ihuriweho bitewe n'ubushobozi bwayo bwo gukingira amashanyarazi no gukwirakwiza ubushyuhe. Byongeye kandi, ifu ikoreshwa mu gutunganya amazi kugira ngo inyure ibyuma biremereye n'imyanda ihumanya ikirere, ikoresheje ubuso bwayo bunini n'ubushobozi bwo guhanahana ayoni.


Igihe cyo kohereza: Kamena-25-2025