Ntawm kev ua lag luam, peb tau paub ntau cov ntaub ntawv tshwj xeeb: sivomon carbide, alumina, zirmonia, silicon nitride. Kev xav lag luam thoob plaws kev lag luam, txheeb xyuas qhov kom zoo ntawm cov khoom siv no.
Silicon carbide muaj qhov zoo ntawm tus nqi pheej yig, muaj zog loj, qhov loj tshaj plaws yog yooj yim rau oxidize, nws yog qhov nyuaj rau sintering. Alumina yog cov peev txheej pheej yig, thiab cov txheej txheem npaj ntawm hmoov cov khoom muaj txiaj ntsig zoo heev, thaum muaj ib qho ntawm kev siv cov kev cuam tshuam ntawm ob qho kawg. Silicon nitride, tshwj xeeb, yog qhov kim tshaj plaws.
Hais txog kev ua tau zoo, txawm hais tias lub zog, kev ua tau zoo thiab zirconia nyob zoo dua Alumina, nws zoo nkaus li qhov kev ua tau zoo, tab sis qhov tseeb muaj ntau yam teeb meem. Ua ntej los ntawm Zirconia, nws muaj qhov siab nruj, vim li cas yog lub sijhawm tsis ncaj ncees lawm, tab sis nws muaj peev xwm hais tias nws yog qhov tsawg tshaj plaws ntawm peb hauv kev ua lag luam. Thiab silicon nitride, kuj yog cov ceramic nrov nyob rau hauv nees nkaum xyoo dhau los, kev ua tau zoo heev, tab sis siv tau qhov kub thiab txias yog qis dua lwm ob; Cov txheej xwm npaj txheej txheem ntawm silicon nitride kuj tseem muaj ntau dua cov alumina, txawm hais tias daim ntawv thov ntawm silicon nitride theem yog qhov sib piv tag nrho yog tseem tsis zoo li Alumina.
Pheej yig, kev ua tau ruaj khov, khoom lag luam sib txawv ntawm alumina ceramics los ua qhov kev siv ntxov tshaj plaws, thiab tau siv rau cov ceramics tam sim no.
Lub Sijhawm Post: Jan-22-2022