Roughness feem ntau yog hais txog qhov roughness ntawm qhov chaw. Surface roughness yog hais txog qhov tsis sib xws ntawm qhov sib txawv me me thiab cov ncov me me thiab cov hav ntawm qhov ua tiav. Qhov me me ntawm qhov roughness, qhov smoother ntawm qhov chaw.
Alumina ceramics tsis yog cov ntaub ntawv zoo tib yam, thiab lawv cov hardness kuj loj. Txhawm rau txhim kho qhov tseeb ntawm cov khoom, feem ntau cov ntaub ntawv alumina tau ua tiav tom qab cov txheej txheem sintering.
Vim yog cov khoom zoo ntawm cov khoom siv alumina ceramic, nws yog ib qho tsim nyog yuav tsum siv cov khoom sib tsoo nyuaj thiab polishing cib rau kev ua haujlwm zoo, xws li SIC, B4C lossis pob zeb diamond; thiab nyob rau hauv cov txheej txheem ntawm kev ua kom zoo, lubricity ntawm qhov chaw ntawm alumina ceramic cov ntaub ntawv yuav tsum tau txhim kho ua ntej.
Hauv kev ua haujlwm zoo ntawm alumina ceramic cov ntaub ntawv, ntau txoj hauv kev yog zom los ntawm ntxhib mus rau nplua abrasives ib kauj ruam, thiab tom qab ntawd polish rau saum npoo. Thaum polishing, Al203 micro hmoov lossis pob zeb diamond paste tsawg dua 1μm tuaj yeem siv rau kev sib tsoo thiab polishing. Tau kawg, laser ua thiab ua ultrasonic kuj tuaj yeem ua tiav lub hom phiaj ntawm kev sib tsoo thiab polishing alumina ceramics.
Qhov saum npoo roughness ntawm alumina ceramics muaj kev cuam tshuam zoo rau kev siv cov khoom. Feem ntau hais lus, tus nqi me me ntawm qhov roughness yuav txhim kho qhov zoo ntawm qhov haum, txo qhov hnav thiab txuas ntxiv lub neej kev pab cuam ntawm qhov chaw, tab sis tus nqi ua ntawm alumina ceramics yuav nce. Yog li ntawd, nws yog ib qho tsim nyog yuav tsum tau ua kom raug thiab tsim nyog xaiv qhov roughness tus nqi. Thaum tsim cov khoom, qhov kev xaiv ntawm qhov chaw roughness tus nqi yog txiav txim siab los ntawm lub luag haujlwm ntawm cov khoom hauv lub tshuab.