Ni "aye ohun elo" ti iṣelọpọ ile-iṣẹ, titanium carbide (TiC), carbide silicon (SiC), ati carbide cemented (eyiti o da lori tungsten carbide - cobalt, bbl) jẹ awọn ohun elo irawọ mẹta ti o nmọlẹ. Pẹlu awọn ohun-ini alailẹgbẹ wọn, wọn ṣe awọn ipa pataki ni awọn aaye pupọ. Loni, a yoo ṣe akiyesi - ijinle wo awọn iyatọ ninu awọn ohun-ini laarin awọn ohun elo mẹta wọnyi ati awọn oju iṣẹlẹ nibiti wọn ti tayọ!
I. Ori – si – Ifiwera ori ti Awọn ohun-ini Ohun elo
| Ohun elo Iru | Lile (Iye Itọkasi) | Ìwúwo (g/cm³) | Wọ Resistance | Ga – otutu Resistance | Iduroṣinṣin Kemikali | Ogbontarigi |
|---|---|---|---|---|---|---|
| Titanium Carbide (TiC) | 2800 - 3200HV | 4.9 – 5.3 | O tayọ (ti o jẹ gaba lori nipasẹ awọn ipele lile) | Idurosinsin ni ≈1400℃ | Sooro si acids ati alkalis (ayafi awọn acids oxidizing lagbara) | Ni ibatan kekere (brittleness jẹ olokiki diẹ sii) |
| Silikoni Carbide (SiC) | 2500 – 3000HV (fun awọn ohun elo amọ SiC) | 3.1 – 3.2 | Ti o tayọ (ti a ṣe atilẹyin nipasẹ ọna asopọ covalent) | Iduroṣinṣin ni ≈1600℃ (ni ipo seramiki) | Lagbara pupọ (sooro si media kemikali pupọ julọ) | Iwọntunwọnsi (brittle ni ipo seramiki; awọn kirisita ẹyọkan ni lile) |
| Carbide Cemented (WC - Co bi apẹẹrẹ) | 1200 - 1800HV | 13 – 15 (fun WC – Co jara) | Iyatọ (Awọn ipele lile WC + Asopọmọra) | ≈800 - 1000℃ (da lori akoonu Co) | Resistance si acids, alkalis, ati abrasive yiya | Ni ibatan ti o dara (Alakoso Asopọmọra ṣe alekun lile) |
Pipin-ini:
- Titanium Carbide (TiC): Lile rẹ wa nitosi ti diamond, ti o jẹ ki o jẹ ọmọ ẹgbẹ ti Super-lile ohun elo ebi. Iwọn iwuwo giga rẹ ngbanilaaye fun ipo kongẹ ni awọn irinṣẹ deede ti o nilo “iwọn iwuwo”. Sibẹsibẹ, o ni brittleness giga ati pe o ni itara si chipping labẹ ipa, nitorinaa o dara julọ fun aimi, kekere - gige ipa / wọ - awọn oju iṣẹlẹ sooro. Fun apẹẹrẹ, a maa n lo nigbagbogbo bi ideri lori awọn irinṣẹ. Ti a bo TiC jẹ Super - lile ati wọ - sooro, bii fifi “ihamọra aabo” sori giga - irin iyara ati awọn irinṣẹ carbide simenti. Nigbati o ba ge irin alagbara, irin ati irin alloy, o le duro awọn iwọn otutu ti o ga ati dinku yiya, ti o pọ si igbesi aye ọpa ni pataki. Fun apẹẹrẹ, ninu awọn ti a bo ti finishing milling cutters, o jeki sare ati idurosinsin gige.
- Silikoni Carbide (SiC): A "oke osere ni ga - otutu resistance"! O le ṣetọju iṣẹ iduroṣinṣin ju 1600 ℃. Ni ipo seramiki, iduroṣinṣin kemikali rẹ jẹ iyalẹnu ati pe ko ni fesi pẹlu acids ati alkalis (ayafi fun diẹ bi hydrofluoric acid). Sibẹsibẹ, brittleness jẹ ọrọ ti o wọpọ fun awọn ohun elo seramiki. Bibẹẹkọ, ẹyọkan – ohun alumọni silikoni carbide (bii 4H – SiC) ti ni ilọsiwaju si lile ati pe o n ṣe ipadabọ ni awọn semikondokito ati awọn ẹrọ igbohunsafẹfẹ giga. Fun apẹẹrẹ, awọn irinṣẹ seramiki orisun SiC jẹ “awọn ọmọ ile-iwe giga” laarin awọn irinṣẹ seramiki. Wọn ni giga - resistance otutu ati iduroṣinṣin kemikali. Nigbati o ba ge awọn ohun elo giga-lile (gẹgẹbi awọn ohun elo nickel-orisun) ati awọn ohun elo brittle (gẹgẹbi irin simẹnti), wọn ko ni itara si titọ ọpa ati ni o lọra. Sibẹsibẹ, nitori brittleness, wọn dara diẹ sii fun ipari pẹlu gige idinku ti o dinku ati pipe to gaju.
- Carbide Simenti (WC – Co): A "oke - ẹrọ orin ipele ni aaye gige"! Lati lathe irinṣẹ to CNC milling cutters, lati milling irin to liluho okuta, o le ṣee ri nibi gbogbo. Carbide simenti pẹlu akoonu Co kekere (gẹgẹbi YG3X) jẹ o dara fun ipari, lakoko ti pẹlu akoonu Co giga (bii YG8) ni o ni ipa ipa ti o dara ati pe o le mu ẹrọ ti o ni inira pẹlu irọrun. Awọn ipele lile WC ni o ni iduro fun “iduroṣinṣin” yiya, ati Co binder ṣe bi “lẹpọ” lati di awọn patikulu WC papọ, mimu lile mejeeji ati lile. Botilẹjẹpe giga rẹ - resistance otutu ko dara bi awọn meji akọkọ, iṣẹ ṣiṣe iwọntunwọnsi rẹ jẹ ki o dara fun titobi pupọ ti awọn oju iṣẹlẹ lati gige lati wọ - awọn paati sooro.
II. Ohun elo Fields ni Full Swing
1. Ige Ọpa Field
- Titanium Carbide (TiC): Nigbagbogbo ṣiṣẹ bi ideri lori awọn irinṣẹ! Super - lile ati wọ - ibora TiC sooro fi “ihamọra aabo” sori giga - irin iyara ati awọn irinṣẹ carbide simenti. Nigbati o ba ge irin alagbara, irin ati irin alloy, o le duro awọn iwọn otutu ti o ga ati dinku yiya, ti o pọ si igbesi aye ọpa ni pataki. Fun apẹẹrẹ, ninu awọn ti a bo ti finishing milling cutters, o kí sare ati idurosinsin Ige.
- Silikoni Carbide (SiC): A "oke akeko" laarin seramiki irinṣẹ! SiC - awọn irinṣẹ seramiki ti o da lori ni giga - resistance otutu ati iduroṣinṣin kemikali. Nigbati o ba ge awọn ohun elo giga-lile (gẹgẹbi awọn ohun elo nickel-orisun) ati awọn ohun elo brittle (gẹgẹbi irin simẹnti), wọn ko ni itara si titọ ọpa ati ni o lọra. Sibẹsibẹ, nitori brittleness, wọn dara diẹ sii fun ipari pẹlu gige idinku ti o dinku ati pipe to gaju.
- Carbide Simenti (WC – Co): A "oke - ẹrọ orin ipele ni aaye gige"! Lati lathe irinṣẹ to CNC milling cutters, lati milling irin to liluho okuta, o le ṣee ri nibi gbogbo. Carbide simenti pẹlu akoonu Co kekere (gẹgẹbi YG3X) jẹ o dara fun ipari, lakoko ti pẹlu akoonu Co giga (bii YG8) ni o ni ipa ipa ti o dara ati pe o le mu ẹrọ ti o ni inira pẹlu irọrun.
2. Wọ – Resistant paati Field
- Titanium Carbide (TiC): Awọn iṣe bi “aṣọ - aṣaju sooro” ni awọn apẹrẹ ti o tọ! Fun apẹẹrẹ, ni awọn apẹrẹ irin-irin lulú, nigba titẹ irin lulú, awọn ifibọ TiC ti wọ - sooro ati pe o ni iwọn to gaju, ni idaniloju pe awọn ẹya ti a tẹ ni awọn iwọn deede ati awọn ipele ti o dara, ati pe ko ni ifarahan si "aiṣedeede" lakoko iṣelọpọ ibi-pupọ.
- Silikoni Carbide (SiC): Ti a fun ni "awọn buffs ilọpo meji" ti resistance resistance ati giga - resistance otutu! Rollers ati bearings ni giga – awọn ileru otutu ti a ṣe ti awọn ohun elo amọ SiC ko rọ tabi wọ paapaa ju 1000 ℃. Paapaa, awọn nozzles ninu awọn ohun elo iyanrin ti a ṣe ti SiC le ṣe idiwọ ipa ti awọn patikulu iyanrin, ati pe igbesi aye iṣẹ wọn gun ni igba pupọ ju ti awọn nozzles irin lasan.
- Carbide Simenti (WC – Co): A "wapọ yiya - sooro iwé"! Awọn eyin carbide ti a ṣe simenti ninu awọn ege lilu mi le fọ awọn apata laisi ibajẹ; cemented carbide cutters on shield ẹrọ irinṣẹ le withstand ile ati sandstone, ati ki o le "pa wọn ifọkanbalẹ" paapaa lẹhin tunneling egbegberun mita. Paapaa awọn kẹkẹ eccentric ni awọn mọto gbigbọn foonu alagbeka gbarale carbide simenti fun resistance yiya lati rii daju gbigbọn iduroṣinṣin.
3. Electronics / Semikondokito Field
- Titanium Carbide (TiC): Han ni diẹ ninu awọn itanna irinše ti o nilo ga - otutu ati ki o ga yiya resistance! Fun apẹẹrẹ, ninu awọn amọna ti o ga - awọn tubes elekitironi agbara, TiC ni giga - resistance otutu, itanna eletiriki ti o dara, ati resistance resistance, ṣiṣe iṣẹ iduroṣinṣin ni giga - awọn agbegbe iwọn otutu ati idaniloju gbigbe ifihan agbara itanna.
- Silikoni Carbide (SiC): A "titun ayanfẹ ni semikondokito"! Awọn ẹrọ semikondokito SiC (gẹgẹbi awọn modulu agbara SiC) ni giga ti o dara julọ - igbohunsafẹfẹ, giga - foliteji, ati giga - iṣẹ ṣiṣe otutu. Nigbati a ba lo ninu awọn ọkọ ina ati awọn oluyipada fọtovoltaic, wọn le mu ilọsiwaju ṣiṣẹ daradara ati dinku iwọn didun. Pẹlupẹlu, SiC wafers jẹ "ipilẹ" fun iṣelọpọ giga - igbohunsafẹfẹ ati giga - awọn eerun otutu, ati pe a ti nireti pupọ ni awọn ibudo ipilẹ 5G ati awọn avionics.
- Carbide Simenti (WC – Co): A "konge ọpa" ni itanna processing! Simenti carbide drills fun PCB liluho le ni kan opin bi kekere bi 0.1mm ati ki o le lu gbọgán lai kikan awọn iṣọrọ. Awọn ifibọ carbide ti simenti ni awọn apẹrẹ iṣakojọpọ ërún ni konge giga ati yiya resistance, aridaju deede ati apoti iduroṣinṣin ti awọn pinni ërún.
III. Bawo ni lati Yan?
- Fun líle ti o ga julọ ati resistance yiya deede→ Yan titanium carbide (TiC)! Fun apẹẹrẹ, ni awọn ohun elo mimu pipe ati Super - awọn ohun elo ọpa lile, o le "duro" wọ ati ṣetọju deede.
- Fun giga - resistance otutu, iduroṣinṣin kemikali, tabi ṣiṣẹ lori awọn semikondokito / giga - awọn ẹrọ igbohunsafẹfẹ→ Yan ohun alumọni carbide (SiC)! O ṣe pataki fun awọn paati ileru otutu giga ati awọn eerun agbara SiC.
- Fun iṣẹ ṣiṣe iwọntunwọnsi, ibora ohun gbogbo lati gige lati wọ - awọn ohun elo sooro→ Yan carbide simenti (WC – Co)! O ti wa ni a "wapọ ẹrọ orin" ibora irinṣẹ, drills, ati yiya - sooro awọn ẹya ara.
Akoko ifiweranṣẹ: Jun-09-2025
