Silicon carbide ceramic yɛ ceramic adeɛ a silicon carbide (sic) yɛ adeɛ titire, a ɛwɔ ahoɔden a ɛkorɔn, ɔhyeɛ a ɛkorɔn a ɛko tia ne corrosion resistance, na wɔde di dwuma kɛseɛ wɔ mfiridwuma mfuo mu.
Nea ɛka ho titiriw ne sɛ wɔbɛyɛ hot pressing sintering, pressureless sintering, reaction sintering ne akwan foforo, denam sintering temperature (1450-2450℃) a wɔhwɛ so ne nneɛma a wɔde ka ho (te sɛ boron carbide, alumina) a wɔde ka ho ma ɛyɛ den .
Nneɛma a wɔyɛ ho nkyerɛkyerɛmu .
Nneyɛe a wɔde silicon carbide ceramic nneɛma ayɛ no wɔ nneɛma a ɛda nsow a edidi so yi:
Mfiridwuma mu nneɛma a ɛkyɛn so: Ɛyɛ den yiye (MoHS nsenia 9.0-9.5 a ɛbɛn diamond de no), a ahoɔden a ɛkɔ fam a ɛyɛ 400-600 megapascals, na ɛma ahoɔden a ɛkorɔn mpo kɔ so yɛ hyew wɔ ɔhyew a ɛyɛ 1600℃.
Ɔhyew mu ahoɔden a ɛda nsow: ɔhyew a ɛkɔ soro ({0}} W/M·K), ɔhyew ntrɛwmu nsusuwii a ɛba fam (bɛyɛ 4.0×10^{-6}/k), a etumi gyina ɔhyew a ɛkɔ soro ano kosi 1400 - 1600℃, ne ɔhyew a ɛyɛ den a ɛko tia ɔhyew a ɛyɛ hyew a ɛboro 800℃).
Nnuru a ɛda nsow a ɛma ɛyɛ den: Ɛko tia acid ne alkali nsɛe, ɛwɔ oxidation a ɛyɛ den sen biara wɔ non{0}}oxide ceramics nyinaa mu, a ɛfata ma corrosive ne high-temperature environments.
Durability and versatility: Durability no boro ceramics a ɛyɛ mmerɛw no mmɔho 10, na ɛsan nso wɔ semiconductor su (ɛnyɛ sɛ ceramics a ɛyɛ mmerɛw a wɔde siw nsu ano), na ɛma ɛfata ma adwumayɛ tebea horow a ɛtra so.
Silicon carbide ceramics, esiane sɛ ɛyɛ den kɛse, ɔhyew a ɛkɔ soro a ɛko tia, corrosion resistance, ɔhyew a ɛkɔ soro ne nea ɛyɛ papa a ɛko tia ɔporɔw nti, di dwuma titiriw wɔ mfiridwuma mmeae ahorow. Nneɛma a wɔde di dwuma titiriw no te sɛ nea edidi so yi .:
I. Ɔhyew ne dade a ɛkɔ soro .
High-Demperature Furnaces: Nneɛma a wɔyɛ wɔ fononoo mu, ahina, nsu a wɔde hyew nneɛma, fononoo a wɔde yɛ fononoo, ne nea ɛkeka ho, a etumi yɛ adwuma denneennen wɔ ɔhyew a ɛboro 1600℃.
Nneɛma a wɔde yɛ nneɛma a ɛyɛ hyew: wɔde yɛ fononoo a ɛpae, birikisi a ɛyɛ hyew, ne nnua a wɔde siw mframa ano, a ɛko tia nsu a ɛreworo so denam dade a wɔabɔ no so ne nnwinnade nkwa nna a ɛtrɛw kɛse.
Metal smelting: sɛ deoxidizers a ɛbɛma dade nsu ahotew ayɛ kɛse, anaasɛ wɔayɛ no casting diversion rings a ɛkɔ so, thermocouple ahobammɔ tubes, optimizing smelting efficiency.
2. Mfiridwuma mu nneɛma a wɔyɛ ne nea ɛma ɛyɛ mmerɛw sɛ ɛbɛhyɛ .
Nneɛma a wɔde hyɛ mu: Mfiridwuma mu nkatabo a wɔde di dwuma wɔ nnuru pɔmpɛ ne nsu a wɔde yɛ nsu mu, a nea ɛko tia nsɛe no mpɛn du du sen dade a wɔde di dwuma daa, na ɛma ɔsom asetra tu mpɔn kɛse.
Bearings ne twitwa nnwinnade: High-Speed bearings, guide rails, ne coated twitwa nnwinnade, a ɛfata ma high-temperature ne high-de tebea horow gu mu, ɛtew nnwinnade a ɛho ayɛ fĩ so.
Wear-aduru paipu a ɛko tia: Mining transportation pipes, impeller linings, a ɛwɔ resistance 5-20 sen cast iron no mmɔho 5-20.
3. Semiconductor ne ɛlɛtrɔnik nnwuma .
Semiconductor Equipment: Grinding discs, fixtures a wɔde yɛ wafer, a ɛko tia ɔhyew a ɛkɔ soro ne nnuru a ɛyɛ mmerɛw, hwɛ hu sɛ ɛyɛ adwuma pɛpɛɛpɛ.
Heat Dissipation Substrates: Ɔhyew a wɔsɛe no substrates ma mfiri a ɛkorɔn-Power mfiri (te sɛ IGBT, LED), a ɔhyew a ɛkɔ mu yɛ 270 W/m·K, ɛma ɔhyew a wɔsɛe no yiye no tu mpɔn.
Electronic components: Lightning arresters, voltage-Sensitive resistors, ne nea ɛkeka ho, anyinam ahoɔden nneɛma a ɛde wɔn nonlinear conductivity su di dwuma.
4. Nnuru ne nneɛma a atwa yɛn ho ahyia ho banbɔ .
Nnwinnade a ɛtumi nsɛe-ɛko tia: valve, reactor linings, pipes, a ɛtumi gyina acid a ɛyɛ den ne bases a ɛyɛ den ano (te sɛ 98% concentrated sulfuric acid).
Nneɛma a atwa yɛn ho ahyia ho dwumadie: Ɛhɔ yɛ{0}}ɔhyew wusiw afiri a wɔde yi mframa (te sɛ nwura a wɔhyew), ɛwoɔ a ɛma ɛwoɔ a ɛma kar mu mframa kɔ.
Energy components: Petrol cell connectors, owia ahoɔden a ɛma ahoɔden a ɛwɔ mu no yɛ hyew, a ɔhyew a ɛko tia no boro digrii 1000 .
5. Nnwuma titiriw ne nea ɛreba .
Nuklea adwumayɛ: Nuklea mu pɛtro a wɔde kata so, nsukorade a wɔde gu mu, a ɛko tia neutron a ɛma mframa bɔ kɛse ne ɔhyew a ɛkɔ soro.
Nneɛma a atuo ntumi nkɔ mu: Composite bulletproof ceramics denam toughening treatment so, a ɛyɛ den kɛse na ɛba fam (3.10-3.15 g/cm3).
Photovoltaic adwumayɛ: afã horow a wɔde fa polysilicon etching nsu, siesie a ɛkorɔn a ɛho ayɛ fĩ ne corrosion haw ahorow a emu yɛ den.
Silicon carbide ceramics rema mfiridwuma mu nkɔso foforo aba wɔ ahoɔden foforo (hydrogen fuel cells, photovoltaics), semiconductors, ne high-end equipment, na ɛyɛ nneɛma a wɔpɛ ma tebea horow a emu yɛ den te sɛ ɔhyew a ɛkɔ soro, corrosion, ne wear a ɛkɔ soro.
Nneɛma a wɔyɛ no kyerɛ .
Dɛn nti na ɛsɛ sɛ wɔpaw yɛn .
Nneɛma a wɔde bua ntɛmntɛm a ɛwɔ nneɛma a ɛho ka yɛ den a ɛho ka yɛ den a ɛho ka yɛ den .
Dɛn nti na ɛsɛ sɛ yɛpaw yɛn nneɛma .
1. 20 Mfeɛ osuahu wɔ casting cast iron plate, quality assurance, delivery a ɛyɛ ne berɛ mu .
2. Mfiri a edi mũ a wɔde yɛ adwuma ne nea wɔde hwɛ nneɛma mu no betumi ama wɔanya afã horow a wɔawie no tẽẽ na adi adetɔfo nhwehwɛmu ahwehwɛde ahorow ho dwuma .
3. Ɛwɔ hokwan ahorow a ɛde ne ho fi amannɔne ba ne nea ɛde kɔ amannɔne na ebetumi de nneɛma akɔ wiase mmeae nyinaa .
Tags a ɛyɛ hyew .: Reaction Silicon Carbide Ceramic, China Nneyɛe Silicon Carbide Ceramic a Wɔyɛ, Wɔn a Wɔde Ma, Adwumayɛbea
