Cov khoom siv ceramic tau nce zuj zus los ua cov khoom tseem ceeb ntawm kev tsim khoom lag luam siab kawg hauv ntiaj teb. Ua tsaug rau lawv cov hardness siab, kub-resistant, thiab corrosion kuj, advanced ceramics xws li alumina, silicon carbide, thiab txhuas nitride yog dav siv nyob rau hauv aerospace, semiconductor ntim, thiab biomedical daim ntaub ntawv. Txawm li cas los xij, vim muaj qhov tsis zoo thiab tsis tshua muaj kev puas tsuaj ntawm cov ntaub ntawv no, lawv cov kev ua haujlwm precision yeej ib txwm suav tias yog qhov nyuaj. Nyob rau hauv xyoo tas los no, nrog rau kev siv cov cuab yeej txiav tshiab, cov txheej txheem sib xyaw, thiab kev soj ntsuam cov thev naus laus zis, ceramic machining bottlenecks tau maj mam kov yeej.
Nyuaj: Siab Hardness thiab Brittleness Coexist
Tsis zoo li cov hlau, ceramics muaj kev cuam tshuam ntau dua rau kev tawg thiab chipping thaum lub sijhawm machining. Piv txwv li, silicon carbide yog ib qho nyuaj heev, thiab cov cuab yeej txiav tsoos feem ntau hnav sai sai, ua rau lub neej tsuas yog ib feem kaum ntawm cov hlau machining. Cov teebmeem cua sov kuj yog qhov txaus ntshai heev. Localized kub nce thaum lub sij hawm machining tuaj yeem ua rau cov theem hloov pauv thiab cov kev ntxhov siab seem, uas ua rau muaj kev puas tsuaj subsurface uas tuaj yeem cuam tshuam qhov kev ntseeg siab ntawm cov khoom kawg. Rau semiconductor substrates, txawm nanometer-scale puas tsuaj tuaj yeem degrade nti kub dissipation thiab hluav taws xob ua haujlwm.
Technical Breakthrough: Superhard Cutting Tools thiab Composite Processes
Txhawm rau kov yeej cov kev sib tw machining no, kev lag luam txuas ntxiv nthuav qhia cov cuab yeej txiav tshiab thiab cov txheej txheem ua kom zoo dua. Polycrystalline pob zeb diamond (PCD) thiab cubic boron nitride (CBN) txiav cov cuab yeej tau maj mam hloov cov tsoos carbide tej cuab yeej, ho txhim kho hnav tsis kam thiab machining stability. Tsis tas li ntawd, daim ntawv thov ntawm ultrasonic kev co-pab txiav thiab ductile-domain machining technologies tau enabled "yas-zoo li" txiav cov ntaub ntawv ceramic, yav tas los tshem tawm tsuas yog los ntawm nkig tawg, yog li txo qhov tawg thiab ntug kev puas tsuaj.
Hais txog kev kho saum npoo, cov thev naus laus zis tshiab xws li chemical mechanical polishing (CMP), magnetorheological polishing (MRF), thiab plasma-pab polishing (PAP) yog tsav cov khoom siv ceramic rau hauv lub sijhawm ntawm nanometer-theem precision. Piv txwv li, txhuas nitride kub dab dej substrates, los ntawm CMP ua ke nrog cov txheej txheem PAP, tau ua tiav nto roughness theem qis dua 2nm, uas yog qhov tseem ceeb rau kev lag luam semiconductor.
Daim Ntawv Thov Kev Pom Zoo: Los ntawm Chips rau Kev Kho Mob
Cov kev siv thev naus laus zis no tau raug muab txhais sai sai rau hauv cov ntawv thov kev lag luam. Cov tuam txhab lag luam semiconductor tau siv cov cuab yeej siv tshuab ua haujlwm siab thiab thermal yuam kev them nyiaj ua haujlwm kom ntseeg tau tias kev ruaj ntseg ntawm cov ceramic wafers loj. Nyob rau hauv biomedical teb, complex curved nto ntawm zirconia implants yog machined nrog siab precision los ntawm magnetorheological polishing. Ua ke nrog cov txheej txheem laser thiab txheej txheej, qhov no ntxiv txhim kho biocompatibility thiab durability.
Yav Tom Ntej Trends: Intelligent thiab Green Manufacturing
Saib ua ntej, ceramic precision machining yuav dhau los ua neeg ntse thiab ib puag ncig zoo. Ntawm ib sab, kev txawj ntse txawj ntse thiab cov menyuam ntxaib digital tau muab tso rau hauv cov txheej txheem tsim khoom, ua kom lub sijhawm zoo ntawm cov cuab yeej txoj hauv kev, txoj kev ua kom txias, thiab kev ua haujlwm tsis zoo. Ntawm qhov tod tes, gradient ceramic tsim thiab pov tseg rov ua dua yog qhov kev tshawb fawb hotspots, muab txoj hauv kev tshiab rau kev tsim ntsuab.
Xaus
Nws yog qhov pom tau tias ceramic precision machining yuav txuas ntxiv mus rau "nano-precision, kev puas tsuaj tsawg, thiab kev tswj xyuas ntse." Rau kev lag luam thoob ntiaj teb kev lag luam, qhov no sawv cev tsis yog tsuas yog kev ua tiav ntawm cov khoom siv tab sis kuj yog qhov tseem ceeb ntawm kev sib tw yav tom ntej hauv kev lag luam high-end. Raws li lub ntsiab lus tseem ceeb ntawm kev tsim khoom siab heev, kev txhim kho tshiab hauv ceramic machining yuav ncaj qha rau kev lag luam xws li aerospace, semiconductors, thiab biomedicine mus rau qhov siab tshiab.
Post lub sij hawm: Sep-23-2025