Zirconia Ceramic Parts

Zirconia ceramic yog dawb, daj lossis grey thaum nws muaj impurities, feem ntau muaj HfO2, thiab tsis yooj yim rau kev sib cais. Muaj peb lub xeev crystalline ntawm ntshiab ZrO2 nyob rau hauv ib txwm siab. Kev tsim cov Zirconia ceramic qhov yuav tsum tau npaj cov hmoov nrog siab purity, zoo dispersibility, ultra-fine hais thiab nqaim particle loj tis. Muaj ntau txoj kev npaj rau zirconia ultra-fine hmoov. Kev ua kom huv ntawm zirconia feem ntau suav nrog chlorination thiab thermal decomposition, alkali hlau Oxidative decomposition txoj kev, txiv qaub melting txoj kev, plasma arc txoj kev, los nag txoj kev, colloid txoj kev, hydrolysis txoj kev, tshuaj tsuag pyrolysis txoj kev, thiab lwm yam.

Zhongwei Precision tau cog lus los muab cov neeg siv khoom hauv tsev thiab txawv teb chaws nrog cov ceramics siab heev nrog lub zog siab, siab tawv, hnav tsis kam, corrosion kuj thiab kub ua haujlwm. Nws yog ib lub tuam txhab high-tech integrating R & D, ntau lawm thiab muag khoom ntawm precision siab heev ceramic khoom nyob rau hauv lub teb ntawm precision ceramics. Nrog rau ntau yam khoom siv niaj hnub high-precision, nws muaj nws tus kheej paub qhov ua tiav ntawm tag nrho cov txheej txheem ntawm cov khoom siv ceramic los ntawm ceramic hmoov npaj, ntsuab lub cev molding, kub sintering rau ceramic khoom tiav.

Khoom Destsab ntawv

1. Cov qauv kev coj ua: lub tuam txhab nruj me ntsis ua raws li ISO9001 ntawv pov thawj, thiab cov khoom tau dhau ROHS, FDA EU ntawv pov thawj, thiab lwm yam.

2. Cov qauv khoom siv: ISO, GB, ASTM, SAE, EN, DIN, BS, AMS, JIS, ASME, DMS, TOCT, GB

3. Cov txheej txheem tseem ceeb: grouting, txhaj tshuaj molding, daim kab xev casting, isostatic nias, 3D luam ntawv

4. Muaj cov ntaub ntawv rau ceramics:

Nws tsuas yog ua tiav cov pas nrig ceramic, cov raj ceramic, cov nplhaib ceramic, cov phaj ceramic, cov khob nqus dej ceramic, cov hniav ceramic thiab lwm cov qauv tshwj xeeb zoo li ceramic. Cov ntaub ntawv ceramic tseem ceeb yog alumina, zirconia, silicon carbide, silicon nitride, thiab aluminium nitride ceramics. Kev kub siab ua haujlwm, hnav tsis kam, corrosion kuj, acid thiab alkali tsis kam, tiv thaiv magnetic, siab tsis kam. Thiab 3D luam ntawv, thiab lwm yam yog customized raws li tus neeg yuav tsum tau muaj.

Combined tube, nws siab hnav tsis kam zoo tiv thaiv cov khoom hnav thiab cuam tshuam.

Yam khoom thiab txheej txheem ntau lawm

Ntshiab ZrO2 yog dawb, daj lossis grey thaum nws muaj impurities, thiab feem ntau muaj HfO2, uas tsis yooj yim rau kev sib cais. Lub ntiaj teb cov ntaub ntawv pov thawj zirconium yog kwv yees li 19 lab tons, thiab zirconia feem ntau tau los ntawm purifying zirconium ore. Muaj peb lub xeev crystal ntawm ntshiab ZrO2 ntawm ib txwm siab: monoclinic zirconia (m-ZrO2), tetragonal zirconia (t-ZrO2) thiab cubic (Cubic) zirconia (c-ZrO2). Hom muaj nyob rau hauv qhov sib txawv ntawm qhov kub thiab txias tuaj yeem hloov mus rau ib leeg:

Kub Ceev

Monoclinic zirconia (m-ZrO2)<950℃>

Square zirconia (t-ZrO2) 1200-2370 degree 6.10g/cc

Cubic Zirconia (c-ZrO2) >2370 degree 6.27g / cc

Cov saum toj no peb lub xeev crystalline muaj qhov sib txawv ntawm lub cev thiab tshuaj. Txhawm rau kom tau txais daim ntawv crystalline xav tau thiab kev ua tau zoo hauv kev siv tswv yim, ntau hom stabilizers feem ntau yog ntxiv los ua ntau hom Zirconia ceramic, xws li zirconia ib nrab stabilized (ib nrab stabilized zirconia, PSZ), thaum lub stabilizer yog CaO, MgO. , Y2O3, nws yog qhia raws li Ca-PSZ, Mg-PSZ, Y-PSZ, thiab lwm yam. Lub tetragonal zirconia tsim los ntawm metastable t-ZrO2 hu ua tetragonal zirconia polycrysta (TZP). Thaum cov stabilizers ntxiv yog Y2O3 thiab CeO2, lawv tau qhia raws li Y-TZP, Ce-TZP, thiab lwm yam.

1. Kev npaj hmoov

Kev tsim cov zirconia ceramics yuav tsum tau npaj cov hmoov nrog siab purity, zoo dispersion zog, ultra-fine hais thiab nqaim particle loj tis. Muaj ntau txoj kev npaj rau zirconia ultra-fine hmoov. Kev ua kom huv ntawm zirconia feem ntau suav nrog chlorination thiab thermal decomposition, alkali hlau Oxidative decomposition txoj kev, txiv qaub melting txoj kev, plasma arc txoj kev, los nag txoj kev, colloid txoj kev, hydrolysis txoj kev, tshuaj tsuag pyrolysis txoj kev, thiab lwm yam. -gel method, evaporation method, supercritical synthesis method, microemulsion method, hydrothermal synthesis method, network thiab vapor deposition method.

2. Cov txheej txheem ntau lawm

(1) Kev tsim kho

Lub molding ntawm zirconia ceramics muaj xws li qhuav pressing molding, isostatic pressing molding, grouting molding, kub tuag casting molding, daim kab xev casting, txhaj tshuaj molding, yas extrusion molding, colloidal solidification molding, thiab lwm yam. Feem ntau siv yog txhaj molding thiab qhuav nias.

①Grout molding

Cov txheej txheem molding ntawm grouting suav nrog cov txheej txheem lub cev qhuav dej thiab cov txheej txheem tshuaj coagulation. Lub cev lub cev qhuav dej tshem tawm cov dej hauv slurry los ntawm capillary kev ua ntawm cov ntxeem tau gypsum pwm. Cov txheej txheem tshuaj coagulation yog vim Ca2 ntxiv tsim los ntawm kev sib cais ntawm CaSO4 ntawm cov pwm gypsum txhim kho cov slurry Lub zog ionic hauv cov khoom ua rau cov flocculation ntawm slurry. Nyob rau hauv qhov kev txiav txim ntawm lub cev lub cev qhuav dej thiab tshuaj coagulation, cov ceramic hmoov hais yog tso rau ntawm phab ntsa gypsum. Grouting yog tsim nyog rau kev npaj ntawm loj-scale ceramic qhov chaw nrog cov duab complex, tab sis qhov zoo ntawm lub cev ntsuab, nrog rau cov duab, ntom, lub zog, thiab lwm yam, tsis zoo, kev siv zog ntawm cov neeg ua haujlwm siab, thiab nws tsis haum. rau kev ua haujlwm automated.

② Kub siab txhaj tshuaj molding

Kub siab txhaj tshuaj molding yog sib tov ceramic hmoov nrog binder (paraffin) ntawm qhov kub siab (60 ~ 100 degree C) kom tau txais slurry rau kub tuag casting, thiab slurry yog txhaj rau hauv cov pwm hlau nyob rau hauv qhov kev txiav txim ntawm compressed cua. Txhawm rau kom cov Xovxwm txias, demoulding kom tau txais cov khoom siv ciab dawb, cov quav ciab dawb paug yog dewaxed nyob rau hauv kev tiv thaiv ntawm inert hmoov kom tau txais lub cev ntsuab, thiab lub cev ntsuab yog sintered ntawm qhov kub thiab txias kom dhau los ua cov plooj (porcelain). Lub cev ntsuab ntawm cov xovxwm kub txhaj tshuaj molding muaj qhov loj me, cov qauv sab hauv, tsis tshua muaj pwm hnav, kev ua haujlwm siab ntau lawm, thiab tsim nyog rau ntau yam khoom siv raw. Qhov kub ntawm cov quav ciab slurry thiab pwm yuav tsum tau tswj nruj me ntsis, txwv tsis pub nws yuav ua rau hauv kev txhaj tshuaj lossis deformation, yog li nws tsis tsim nyog rau kev tsim cov khoom loj, thiab cov txheej txheem tua ob-kauj ruam yog qhov nyuaj thiab kev siv lub zog siab.

③ Daim kab xev casting

Daim kab xev casting yog ua kom tiav cov hmoov ceramic nrog ntau cov organic binders, plasticizers, dispersants, thiab lwm yam kom tau ib tug flowable viscous slurry, ntxiv slurry rau lub hopper ntawm lub tshuab casting, thiab siv ib tug scraper los tswj lub thickness. Nws ntws tawm mus rau txoj siv conveyor los ntawm kev pub noj nozzle, thiab zaj duab xis dawb paug tau txais tom qab ziab. Cov txheej txheem no tsim nyog rau kev npaj cov ntaub ntawv zaj duab xis. Txhawm rau kom tau txais kev hloov pauv tau zoo dua, cov khoom lag luam ntau ntxiv yog ntxiv, thiab cov txheej txheem yuav tsum tau tswj nruj me ntsis, txwv tsis pub nws yuav yooj yim ua rau tsis xws luag xws li tev, streaks, tsis tshua muaj zog zaj duab xis los yog nyuaj tev. Cov organic teeb meem siv yog tshuaj lom thiab yuav ua rau ib puag ncig muaj kuab paug, thiab cov kab mob uas tsis muaj tshuaj lom los yog tsawg dua yuav tsum tau siv ntau li ntau tau los txo cov pa phem ib puag ncig.

(2) Degreasing thiab degumming

Ntxiv nrog rau kev tsim tshuab raws li kev nias qhuav, cov khoom tsim los ntawm lwm cov txheej txheem yuav tsum tau degreasing thiab degummed ua ntej sintered nyob rau hauv lub cub tawg, vim hais tias lwm yam txheej txheem tsuas yog qhuav nias yuav ntxiv ib feem ntawm zirconium hmoov rau txoj kev tsim. Plasticizers, cov plasticizers yuav tsum tau muab tshem tawm tom qab cov khoom tsim, txwv tsis pub nws yuav muaj kev cuam tshuam loj rau qhov zoo ntawm cov khoom sintered. Plasticizers yog tsim los ntawm paraffin thiab lwm yam ntaub ntawv polymer. Cov ntaub ntawv no yuav tsum tau ua kom pom zoo plasticity thiab fluidity ntawm qhov kub thiab txias, thiab muaj qee qhov toughness thiab lub zog ntawm chav tsev kub.

(3) Sintering

Cov txheej txheem sintering uas tuaj yeem siv rau Zirconia ceramic feem feem ntau:

①Pressureless sintering ② Kub nias sintering thiab reactive kub nias sintering ③ Kub isostatic nias (HIP) ④ Microwave sintering ⑤ Ultra-siab siab sintering, ⑥ Spark plasma sintering (SPS) ⑦ feem ntau yog siv ntau zaus.

Txheej txheem tom qab sintering

Cov cuab yeej ua haujlwm: nruab nrog CNC engraving tshuab, tsis muaj kev sib tsoo, sab hauv thiab sab nraud cylindrical sib tsoo, nto sib tsoo, CNC tshuab dhos machining chaw, xaim txiav, tig, milling, sib tsoo thiab lwm yam khoom siv high-precision thiab kuaj.

Pwm thiab tshuaj xyuas Fixtures

1. Pwm kev pab cuam lub neej: feem ntau yog semi-permanent. (tsuas yog ua npuas ncauj ploj).

2. Pwm lub sij hawm xa tuaj: 10-25 hnub, (raws li cov qauv khoom thiab cov khoom loj).

3. Tooling thiab pwm tu: Zhongwei yog lub luag hauj lwm rau precision qhov chaw.

Kev Tswj Xyuas Zoo

1. Kev tswj kom zoo: tus nqi tsis zoo yog tsawg dua 0.1 feem pua ​​.

2. Cov qauv thiab kev sim ua haujlwm yuav raug tshuaj xyuas 100 feem pua ​​​​ntawm kev tsim khoom thiab ua ntej ua zaub mov xa tuaj, kuaj cov qauv rau ntau lawm raws li ISDO cov qauv lossis cov neeg siv khoom xav tau.

3. Cov Khoom Kuaj Ntaus: Kev ntsuas ntsuas ntsuas, peb-ntsuas ntsuas ntsuas, ntsuas ntsuas ntsuas ntsuas, micro vickers hardness teser.

Daim ntawv thov

Nyob rau hauv cov nqe lus ntawm cov qauv ceramics, Zirconia ceramic qhov chaw yog dav siv nyob rau hauv lub tshav pob ntawm structural ceramics vim lawv siab toughness, siab flexural zog thiab siab hnav tsis kam, zoo heev thermal rwb thaiv tsev zog, thiab thermal expansion coefficient ze rau hlau. Feem ntau suav nrog: Y-TZP sib tsoo pob, dispersing thiab sib tsoo xov xwm, nozzles, pob valve rooj, zirconia pwm, me me kiv cua shafts, fiber optic pins, fiber optic tes tsho, kos duab tuag thiab txiav cov cuab yeej, hnav-resistant riam, khaub ncaws khawm, Case thiab cov hlua, bracelets thiab pendants, pob bearings, lub teeb bats rau golf npas, thiab lwm yam chav tsev kub hnav-resistant qhov chaw.

Nyob rau hauv cov nqe lus ntawm functional ceramics, nws zoo heev kub kuj yog siv raws li induction cua sov raj, cov ntaub ntawv refractory, thiab cua sov ntsiab. Zirconia ceramics muaj qhov ntsuas hluav taws xob tsis zoo thiab feem ntau yog siv hauv cov pa oxygen sensors, cov khoom siv roj oxide (SOFC) thiab cov cua kub kub. ZrO2 muaj qhov ntsuas siab siab (N-21^22), ntxiv qee cov xim xim (V2O5, MoO3, Fe2O3, thiab lwm yam) rau cov hmoov zirconia ultra-nplua, nws tuaj yeem ua rau cov yeeb yuj translucent polycrystalline ZrO2 cov ntaub ntawv, ci ntsa iab zoo li lub ntuj gemstone nrog ci ntsa iab thiab muaj yeeb yuj lub teeb, nws tuaj yeem ua rau ntau yam khoom dai. Tsis tas li ntawd, zirconia yog siv dav hauv thermal barrier coatings, catalyst carriers, kev kho mob, kev kho mob, refractories, textiles thiab lwm yam teb.