Silicon carbide ceramic, a ɛkorɔn-adwumayɛ pɛpɛɛpɛ ade, hoahoa ne ho sɛ ɛyɛ soronko density, wear resistance, thermal conductivity, ne thermal shock resistance. Ɛnam oxidation a ɛyɛ den a ɛko tia so no, ɛkura ahoɔden a ɛkorɔn a ɛbɔ no mu wɔ ɔhyew a ɛkorɔn mu bere a ɛkyerɛ sɛ ɛyɛ adwuma yiye bere a bere kɔ so no. Nea ɛda nsow a ɛko tia ɔporɔw, nnuru a ɛma ɛyɛ mmerɛw sɛ ɛbɛsɛe, ɛyɛ den kɛse, ne mfiri a ɛyɛ den no ama wɔde adi dwuma kɛse wɔ kar mu wɔ kar foforo a ahoɔden wom, petrochemicals, nneɛma a atwa yɛn ho ahyia ho banbɔ, ne ɛlɛtrɔnik mfiridwuma mu. Yɛde silicon carbide ceramic nneɛma a wɔahyɛ da ayɛ ma a nea ɛka ho ne sealing rings, nozzles, discs, tubes, bases, ne nsa a wɔde bedi dwuma a wɔde di dwuma ho ahwehwɛde ahorow ho dwuma.
Nneɛma a wɔyɛ ho nkyerɛkyerɛmu .
Silicon carbide nhyehyɛe ne ne su .
Silicon carbide (sic), a ɛyɛ silicon ne carbon, yɛ polymorphic aduru a ɛwɔ hɔ titiriw wɔ akwan abien so: -sic (soro{1}}ɔhyew a ɛyɛ den) ne -sic (a ɛba fam-temperature stable). Polymorphs bɛboro 200 na ɛwɔ hɔ, a ananmusifoɔ ahodoɔ no yɛ 3C-sic wɔ -sic mu na 2H-sic, 4H-sic, 6H-sic, ne 15r-sic wɔ {{17}sic. Wɔ 1600℃degree ase no, SIC wɔ hɔ sɛ -sic na wobetumi ayɛ afi silicon a ɛnyɛ den-carbon afrafra bɛyɛ 1450℃degree . Above 1600℃degree , -sic nkakrankakra dan kɔ -sic polymorphs. 4H-sic no mu ntɛm ara wɔ 2000℃degree , bere a 6H ne 15R polymorphs hwehwɛ ɔhyew a ɛboro 2100℃to form. Nea ɛda nsow ne sɛ, 6H-sic da so ara yɛ nea ɛyɛ den kɛse sen 2200℃degree , na ɛma wɔde di dwuma kɛse wɔ mfiridwuma mu. SIC a ɛho tew da adi sɛ ahwehwɛ a enni kɔla, bere a mfiridwuma-Grade SIC da kɔla ahorow adi fi kɔla a enni kɔla so kosi tuntum so, a nea ɛda adi pefee no so tew nkakrankakra. Wɔ abrasives mu no, wɔde kɔla kyekyɛ SIC mu ma ɛyɛ tuntum ne ahabammono ahorow. Green SIC ka ho ne kɔla a enni kɔla kosi tuntum, bere a bruu-green to black variants yɛ black sic dea. BaanuBlack ne green sic yɛ ahwehwɛ a ɛwɔ afã abiɛsa a ɛwɔ -sic, a green sic micro-powder yɛ ade titiriw a wɔde yɛ sic ceramics dodow no ara.
Silicon carbide ceramic ahosiesie nhyehyɛe .
Silicon carbide (SIC) ceramic nneɛma no nam adeyɛ a edidi so yi so na ɛyɛ: raw SIC nneɛma no fa crushing, grinding, ne classification mu na ama wɔanya SIC particles a ne kɛse yɛ pɛ. Afei wɔde saa nneɛma nketenkete yi fra nneɛma a wɔde ka ho ne bere tiaa mu nneɛma a wɔde kyekyere nneɛma ho ma ɛyɛ nipadua a ɛyɛ ahabammono, a akyiri yi wɔde sintered wɔ ɔhyew a ɛkɔ soro mu. Nanso, ɛnam sɛ Si-C bonds (bɛyɛ 88% covalent) ne wɔn diffusion coefficient a ɛba fam nti, nsɛnnennen titire baako a ɛwɔ adwinnan mu ne sɛ wɔbɛnya sintering density a ɛdɔɔso. High-Density sic ceramics betumi asiesie denam akwan horow a ɛka ho ne reaction sintering, pressureless sintering, atmospheric sintering, hot pressing, recrystallization sintering, hot isostatic pressing, ne discharge plasma sintering. Ne nyinaa mu no, sic ceramics da fracture toughness a ɛba fam ne brittleness a ɛkorɔn adi. Nea ɛbɛyɛ na wɔadi eyi ho dwuma no, nnansa yi mfe no ahu sɛ nkuku a wɔabom ayɛ a egyina SIC so aba, te sɛ nea wɔde nhama (anaasɛ abɔgyesɛ) ahyɛ mu den, a wɔahyɛ no den denam nneɛma nketenkete a ɛyɛ soronko a wɔpete so, na ɛkɔ so yɛ nneɛma a ɛyɛ adwuma a ɛkɔ soro, a ne nyinaa ma nneɛma ankorankoro no mu den ne ahoɔden tu mpɔn kɛse.
Silicon Carbide Ceramics a wɔde di dwuma ne ne nkɔso ho anidaso .
Sɛdeɛ ɛyɛ adwuma a ɛkorɔn-performance structural ceramic material no, wɔde silicon carbide adi dwuma kɛseɛ wɔ mfuo ahodoɔ mu a ɛka ho ne soro-temperature fononoo, dadeɛ dadeɛ, petrochemicals, mfiri ne ɛlɛtrɔnik, ahunmu ahoɔden, ahoɔden ne nneɛma a atwa yɛn ho ahyia ho banbɔ, nuklea ahoɔden, ne kar nnwuma. Esiane sɛ ahoɔden a ɛkɔ so wɔ kar foforo mu, ahoɔden dwumadibea ahorow, mfiridwuma mu nneɛma a wɔde di dwuma, ne telefon so nkitahodi, a ɛka ho ne ahwehwɛde ahorow a emu yɛ den a ɛkɔ so yɛ den ma-precision, wear-ɛko tia, ne mfiridwuma mu nneɛma a wotumi de ho to so anaasɛ ɛlɛtrɔnik nneɛma a ɛwɔ nnwuma ahorow mu nti, wɔhwɛ kwan sɛ Silicon Carbide nneɛma a wɔde di gua no kɛse bɛkɔ so atrɛw. Nea ɛda nsow ne sɛ, ahoɔden kar foforo ne photovoltaic applications da nsow sɛ mmeae atitiriw a ɛrenya nkɔso wɔ saa ɔfã yi mu.
Silicon carbide ceramic a ɛnyɛ pɛpɛɛpɛ a wɔayɛ no sɛnea wɔpɛ .
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 .: Silicon Carbide Ceramic Titiriw-Afã horow a Wɔasiesie, China Silicon Carbide Ceramic Titiriw-Afã horow a Wɔayɛ no Nneɛma, Wɔn a Wɔde Ma, Adwumayɛbea
