Ibikoresho bya Ceramic bifite imiterere ihanitse cyane: silicon carbide, alumina, zirconia, silicon nitride

Ku isoko, tumenyereye cyane ibikoresho byihariye bya ceramic: silicon carbide, alumina, zirconia, silicon nitride. Ubusabe bw'isoko busesuye, sesengura ibyiza by'ubu bwoko butandukanye bw'ibikoresho.
Karubide ya silikoni ifite ibyiza byo kugabanuka, kurwanya isuri neza, gukomera cyane, ikibazo gikomeye ni uko byoroshye kuyisiga, bigoye kuyitwika. Alumina ni yo ihendutse cyane, kandi uburyo bwo gutegura ibikoresho fatizo by'ifu bumaze igihe kinini, mu gihe zirconia na silicon nitrous oxide bifite ingaruka mbi zigaragara muri urwo rwego, ari nabyo bimwe mu bibangamira iterambere ry'ibi bibiri bya nyuma. Nitride ya silikoni, by'umwihariko, ihenze cyane.
Ku bijyanye n'imikorere, nubwo imbaraga, ubukana n'indi miterere ya silicon nitride na zirconia ari byiza cyane kurusha alumina, bigaragara ko imikorere y'ikiguzi ikwiye, ariko mu by'ukuri hari ibibazo byinshi. Ubwa mbere kuri zirconia, ifite ubukana bwinshi, impamvu ni ukubaho kwa stabilizer, ariko ubukana bwayo bwinshi bushingira ku gihe, ntibushobora gukoreshwa ku bushyuhe bwinshi kandi ubushyuhe bw'icyumba bushingira ku gihe bugabanya cyane iterambere ritari ryo rya oxidation, byagombye kuvugwa ko ari ryo rito muri atatu ari ku isoko. Kandi silicon nitride, nayo ni ceramic ikunzwe cyane mu myaka makumyabiri ishize, ubushyuhe budashira n'indi mikorere yuzuye ni byiza, ariko ikoreshwa ry'ubushyuhe ni rito ugereranyije n'izindi ebyiri; Uburyo bwo gutegura silicon nitride nabwo buragoye kurusha alumina, nubwo ikoreshwa rya silicon nitride phase riruta zirconia, ariko kugereranya muri rusange ntabwo ari byiza nka alumina.
Ikoreshwa rya alumina ceramics rihendutse kandi rihoraho, kandi ritandukanye mu bicuruzwa byayo ni ryo ryakoreshejwe bwa mbere, kandi ryakoreshejwe muri ubu buryo bwihariye bwa kera.


Igihe cyo kohereza: Mutarama-22-2022