Nplua ceramics
Cov ceramics zoo nkauj kuj tseem hu ua cov khoom siv ua kom zoo nkauj thiab qib ntim khoom siv roj khov. Raws li nws siv, nws tuaj yeem faib ua ob pawg: engineering ceramics thiab ua haujlwm ceramics. Cov qub siv lawv cov hardness siab, siab melting point, tsis kam ua hauj thiab corrosion tsis kam, thiab tseem hu ua qauv txheej txheem ceramics; qhov tom kawg tsuas yog siv lawv lub cev xws li lub teeb, lub suab, hluav taws xob, cua sov, thiab cov khoom siv hlau nplaum, thiab tseem hu ua hluav taws xob ceramics. Raws li cov tshuaj lom neeg muaj peev xwm muab faib ua hom oxide thiab tsis-oxide. Cov qub suav nrog ntau cov oxides thiab ntsev oxygenacid; tom kawg suav nrog nitrides, carbides, thiab borides. Cov hom qub yog feem ntau siv rau kev ua haujlwm ceramics, thiab hom tom kawg yog siv rau kev ua haujlwm engineering ceramics. Qee hom tau siv los tsim cov tshuab cav, qhov chaw pib, TV, tshuab ziab plaub hau, lub tswb hluav taws kub, lub siab kub pwm extrusion pwm, thiab lwm yam.
Lub ntsiab sib txawv ntawm kev ua zoo nkauj thiab ceramics ib txwm
Hais txog ntawm cov khoom siv raw, nws tawg rau ntawm tus ciam ntawm cov kab ke ceramics nrog av nplaum yog cov khoom siv tseem ceeb. Ceramics tshwj xeeb feem ntau siv oxides, nitrides, silicides, borides, carbides, thiab lwm yam raws li lawv cov khoom nyoos tseem ceeb. Lub ntsiab sib txawv yog tias ntau yam tshuaj lom neeg muaj pes tsawg leeg, duab, me me qhov loj me thiab kev faib tawm ntawm cov khoom siv zoo nkauj ceramic ua kom nruj.
Hais txog qhov muaj pes tsawg leeg, cov qauv siv tsoos ceramics yog txiav txim siab los ntawm cov lus sib xyaw av nplaum, yog li ntawd ceramics ntawm qhov sib txawv thiab qhov cub muaj cov qauv sib txawv. Txij li cov ntaub ntawv raw ntawm tshwj xeeb ceramics yog cov sib txuas ntshiab, qhov muaj pes tsawg leeg yog txiav txim siab los ntawm qhov sib piv ntawm cov khoom cuav, thiab qhov zoo ntawm nws cov khoom yog txiav txim siab los ntawm kev coj dawb huv thiab cov thev naus laus zis ntawm cov khoom siv raw, tsis yog los ntawm qhov chaw keeb kwm.
Hauv cov txheej txheem kev npaj, cov txheej txheem siab xws li isostatic nias, txhaj tshuaj molding thiab vapor deposition feem ntau siv rau hauv kev txhaj tshuaj molding kom tau txais qhov tsis sib xws thiab sib npaug ntawm lub cev ntsuab, thiab lub cev ntsuab lub cev kuj tau zoo heev; sintering qauv tau tawg los ntawm cov kab ke ceramics. Cov cua sov yog qhov txwv ntawm cov qauv kev ua haujlwm loj, thiab lub tshuab nqus tsev sintering, tiv thaiv huab cua sintering, kub nias, kub zoo li qub nias, cov tshuaj tiv thaiv sintering thiab tus kheej tawm ntawm lub siab kub sintering tau siv dav.
Hais txog kev ua haujlwm, tshwj xeeb cov xaum hluav taws xob muaj cov yam ntxwv tshwj xeeb thiab kev ua haujlwm, xws li lub zog loj, siab lub zog, kev tiv thaiv corrosion, kev coj ua, rwb thaiv tsev, thiab cov haujlwm tshwj xeeb hauv ntau yam ntawm cov hlau nplaum, hluav taws xob, lub teeb, suab, thiab kev txua roj ntsha. lawv muaj peev xwm Ua kom kub siab, tshuab, electronics, aerospace, thiab kev kho mob engineering yog siv dav.
Lub hauv paus sib txawv ntawm kev coj ua zoo nkauj thiab ceramics ib txwm yog tias lawv tuaj yeem npaj tau los ntawm kev xaiv ntawm cov khoom siv raw, thiab cov txheej txheem tom qab tsim cov txheej txheem tuaj yeem tswj tau nruj, yog li cov ntaub ntawv ceramic nrog cov kev ua tau zoo sib txawv tuaj yeem tsim khoom hauv kev coj ua.
