Silicon Nitride: Kev ua haujlwm siab ceramics rau kev lag luam
Silicon nitride (Si₃N₄) - yogsiab zog technical ceramic khoom, uas yog characterized los ntawm exceptional tshav kub tsis kam, hnav tsis kam thiab tshuaj stability. Nws yog dav siv nyob rau hauv metallurgy, siab kub Cheebtsam, bearings, thiab nyob rau hauv advanced industries uas yuav tsum tau ib tug ua ke ntawm lightness thiab siab mechanical zog. Ua tsaug rau nws qhov tshwj xeeb sib npaug ntawm cov khoom, silicon nitride yog suav tias yog ib qho ntawm cov khoom siv zoo tshaj plaws ntawm lub xyoo pua 21st.
Cov yam ntxwv tseem ceeb ntawm silicon nitride
| Parameter | Lub ntsiab lus |
|---|---|
| Tshuaj formula | Si₃N₄ |
| Purity | 95% - 99.9% |
| Qhov ntom | 3.1-3.3g / cm³ |
| Melting point | ~ 1900℃(decomposition) |
| Hardness | 15-20 GPa |
| Xim | Grey / tsaus -grey |
| Daim ntawv | Hmoov / granules / sintered khoom |
| Thermal conductivity | Tsawg - nruab nrab |
| Daim ntawv thov tseem ceeb | Metallurgy / bearings / ceramics / electronics |
Kev siv tseem ceeb ntawm Silicon Nitride
Silicon nitride yog siv rau hauv kev lag luam uas xav tausiab zog ntawm huab cua kub thiab loads.
Hauv metallurgy, Si₃N₄ yog siv los ua cov khoom siv rau crucibles, cov raj tiv thaiv thiab cov khoom hauv kev sib cuag nrog cov hlau molten. Nws tsis hnov mob nrog cov hlau feem ntau thiab ua kom cov cuab yeej siv tau ntev.
Hauv kev tsim kho tshuab, silicon nitride yog siv los tsimceramic bearingsuas ua haujlwm ntawm kev kub ceev thiab kub. Xws li cov bearings muaj cov coefficient tsawg ntawm kev sib txhuam thiab siab hnav tsis kam.
Hauv kev lag luam hluav taws xob, cov khoom siv yog siv nyob rau hauv cov khoom uas yuav tsum tau muaj kev ruaj ntseg nyob rau hauv thermal loads, nrog rau hauv insulating qhov chaw.
Tsis tas li ntawd, Si₃N₄ tau siv dav hauv kev lag luam aerospace vim nws lub zog siab thiab ua haujlwm rau thermal shock.
Qhov zoo ntawm Silicon Nitride
siab kub tsis kam mus rau huab cua kub
zoo heev hnav tsis kam thiab mechanical zog
tiv thaiv corrosion thiab tshuaj lom neeg
qis coefficient ntawm kev sib txhuam
thermal shock stability
Kev sib piv ntawm silicon nitride hom
Si₃N₄ 95% vs Si₃N₄ 99%
Si₃N₄ 95% yog siv rau hauv cov ntawv thov kev lag luam uas yuav tsum muaj qhov sib npaug ntawm tus nqi thiab lub zog. Nws yog tsim rau cov khoom siv metallurgical thiab kev siv engineering yooj yim.
Si₃N₄ 99% has higher purity, improved density and better mechanical stability, making it suitable forhigh-precision Cheebtsam thiab high-temperature sib dhos.
Si₃N₄ vs oxide ceramics (Al₂O₃)
Oxide ceramics yog pheej yig dua, tab sis tsawg dua tiv taus thermal shock.
Silicon nitride tseem ceeb heev rau nws nyob rau hauv cov nqe lus ntawmlub zog, tawg kuj thiab durability, tshwj xeeb tshaj yog nyob rau hauv dynamic loads.
Si₃N₄ vs silicon carbide (SiC)
SiC muaj ntau dua thermal conductivity, tab sis yog nkig ntau dua.
Si₃N₄ muabQhov zoo tshaj plaws sib npaug ntawm lub zog thiab thermal shock kuj, ua rau nws txhim khu kev qha nyob rau hauv complex mechanical systems.
Xaus: yog vim li cas silicon nitride xav tau
Silicon nitride tau dhau los ua cov khoom siv tseem ceeb hauv kev lag luam niaj hnub vim nws muaj peev xwm ua tau raws li qhov xwm txheej hnyav. Nws ua ke lub zog ntawm cov hlau thiab cov cua sov ua haujlwm ntawm ceramics, ua rau nws tsis muaj qhov tseem ceeb hauv kev lag luam high-tech.
FAQ rau cov neeg yuav khoom
Dab tsi yog silicon nitride?
Qhov no yog lub zog muaj zog technical ceramic nrog kub ua haujlwm thiab hnav tsis kam.
Si₃N₄ siv qhov twg?
Hauv metallurgy, mechanical engineering, electronics thiab aerospace.
Vim li cas silicon nitride zoo dua cov hlau?
Nws yog sib dua, corrosion resistant thiab tuaj yeem tiv taus qhov kub thiab txias.
Si₃N₄ puas siv tau rau hauv cov hlau molten?
Yog, nws muaj chemical inertness siab.
Qhov txawv ntawm 95% thiab 99% yog dab tsi?
99% muaj purity ntau dua thiab yog siv rau hauv precision thiab high-load systems.
Puas yog silicon nitride nkig?
Nws muaj zog dua li feem ntau cov ceramics thiab tiv taus cov kab nrib pleb.
Kev muab khoom ntawm silicon nitride
Peb muabzoo silicon nitride rau kev siv:
Si₃N₄ 95% / 99%
zoo ib yam thiab purity
siv hauv metallurgy thiab mechanical engineering
wholesale khoom xa tuaj thoob ntiaj teb
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Vim li cas thiaj xaiv Silicon Nitride (Si₃N₄) los ntawm ZhenAn?
Cov neeg yuav khoom hauv Tebchaws Europe thiab thoob ntiaj teb kev lag luam xaivsilicon nitride (Silicon Nitride, Si₃N₄)raws li nwskub tsis kam, tshuaj lom neeg ruaj khov, kev ntseeg siab hauv cov txheej txheem metallurgical thiab khoom ruaj khov. ZhenAn ua tau raws li cov cai no.
1. Kub kub kuj thiab stability
Silicon nitride tswj cov khoom ruaj khov ntawm qhov kub thiab txias, ua rau nws yog cov khoom siv zoo rau kev siv metallurgy thiab kub kub.
2. Txhim kho hlau zoo
Siv los ua kom cov hnav tsis kam thiab lub zog ntawm cov alloys, nrog rau kev txhim kho cov qauv ntawm cov hlau thiab alloys.
3. Zoo thiab purity tswj
ZhenAn muab cov tshuaj muaj pes tsawg leeg ruaj khov thiab cov ntsiab lus tsis muaj impurity, uas tau lees paub cov txiaj ntsig kev lag luam.
4. Export cov ntaub ntawv txhawb nqa
COA, SDS thiab cov ntaub ntawv tsim nyog kom ua raws li European cov cai yuav tsum tau muab.
5. ruaj khov khoom thiab Hoobkas nqi
Cov chaw tsim khoom tso cai rau peb kom cov khoom siv ruaj khov thiab cov nqi sib tw ncaj qha los ntawm cov chaw tsim khoom.
Xaus
Silicon nitride ZhenAn - yog kev sib xyaw ua kekub tsis kam, ruaj khov zoo thiab txhim khu kev qha khoom, ua tau raws li cov kev xav tau ntawm cov neeg siv khoom niaj hnub no.
