Hordhac: Sababta Xulashada Dareemaha Graphite ay Muhiim u tahay Codsiyada Heerkulka Sare
Warshadaha farsamaynta kulaylka ee horumarsan, agabka dahaarka ayaa door muhiim ah ka ciyaara xakamaynta isku-midnimada heerkulka, yaraynta isticmaalka tamarta, iyo hagaajinta cimriga qalabka.
At Tamarta VET, waxaan aragnay in injineero badan iyo kooxo wax soo iibsi ay inta badan la kulmaan su'aal isku mid ah:
Ma inaan u doortaa Graphite Soft Felt ama Rigid Graphite Felt nidaamkayga dahaarka foornada?
In kasta oo labada agabba ay ka tirsan yihiin qoyska dareemaha garaafka, haddana waxaa loogu talagalay xaalado kala duwan oo hawlgal ah. Xulashada saxda ah waxay ku xiran tahay arrimo badan, oo ay ku jiraan:
- Naqshadeynta foornada iyo qaab-dhismeedka aagga kulul
- Heerkulka hawlgalka
- Shuruudaha dahaarka kulaylka
- Shuruudaha xasilloonida farsamada
- Filashooyinka wareegga dayactirka
Doorashada qalabka dahaarka graphite ee saxda ah maaha go'aan agab oo keliya - waxay si toos ah u saamaysaa hufnaanta foornada, xasilloonida habka, iyo kharashka wax soo saarka muddada-dheer.
Waa maxay graphite soft felt?
Graphite Soft Felt waa walax khafiif ah oo dabacsan oo dahaarka kulaylka ah oo laga sameeyay horudhacyada fiber-ka kaarboon sida fiilooyinka ku salaysan PAN, rayon-ku salaysan, ama fiilooyinka ku salaysan pitch.
Inta lagu jiro wax soo saarka, fiilooyinkani waxay maraan dhowr hab oo muhiim ah:
- Diyaarinta faybarka
- Feeraha irbadda iyo samayska dareemaha
- Daaweynta Kaarboonaynta
- Grafitization heerkulka sare
- Nadiifinta dusha sare iyo dhammaystirka
Ka dib marka la sawiro, walaxdu waxay heshaa xasillooni kuleyl oo aad u fiican, iska caabin kiimiko, iyo waxqabad heerkul sare leh.
Qaab-dhismeedka fiber-ka saddex-geesoodka ah ee gaarka ah wuxuu siiyaa dareemaha jilicsan ee graphite faa'iidooyin dhowr ah:
- Cufnaanta aadka u hooseysa
- Awood dahaarka kulaylka oo aad u fiican
- Awood kuleyl oo hooseeya
- Goynta fudud iyo rakibidda
- La qabsasho heer sare ah oo loogu talagalay joomatari foorno oo adag
Cufnaanta dareenka jilicsan ee graphite-ka caadiga ah waa qiyaastii: 0.08–0.15 g/cm³
Sababtoo ah qaab-dhismeedkeeda aadka u daloolsan, dareemaha graphite ee jilicsan wuxuu bixiyaa dabacsanaan kuleyl oo aad u hooseeya iyo waxqabad heer sare ah oo haynta kulaylka. Qaar ka mid ah alaabada dareemaha graphite waxay gaari karaan dabacsanaan kuleyl ah qiyaastii 0.10–0.20 W/m·K iyadoo ku xiran heerka iyo xaaladaha heerkulka.
| Xaashida xogta ee dareenka jilicsan ee graphite | ||||
| Tusmada | Cutubka | Taxanaha XF-C jilicsan dareemay | ||
| XF-008 | XF-013 | |||
| Ku salaysan Rayon | Ku salaysan digsiga | |||
| Cufnaanta | g/cm3 | 0.08-0.11 | 0.12-0.15 | |
| Xoogga cadaadiska | MPA | / | / | |
| (1000℃) / Qaboojinta kulaylka | W/mK | 0.15 | 0.24 | |
| Dambas (kahor inta aan la nadiifin) | ppm | ≤200 | ≤500 | |
| Heerkulka habaynta | ℃ | 2400℃ | 2400℃ | |
| Heerkulka ugu badan ee adeegga | ℃ | 3000℃ | 3000℃ | |
| Cabbirka | mm | Ballaca:≤1600, Dhumucdiisuna:5-10 | ||
| Codsiga | Foornada sawir-qaadista, Semiconductor, foornada Sintering, foornada birta | |||
| Kuwa kor ku xusan ee alaabada caadiga ah. haddii loo baahdo alaabada aadka u saafiga ah, waa in la nadiifiyaa ilaa ≤20ppm. | ||||
Waa maxay Feelka Garaafiga ee Adag?
Rigid Graphite Felt waa qalab dahaadh garaafik oo horumarsan oo loo sameeyay si loo bixiyo xoog farsamo oo sare iyo xasillooni qaab-dhismeed.
Si ka duwan dareemaha dabacsan ee dhaqameed, dareemaha graphite ee adag ayaa la soo saaraa iyada oo loo marayo habab dheeraad ah oo xoojin ah, oo ay ku jiraan:
- Dahaarka lakabka
- Xidhmada kaarboonka
- Dahaadhka cusbada
- Kaarboonaynta heerkulka sare leh
- Daaweynta Graphitization
Qaab-dhismeedka kama dambaysta ah wuxuu isku daraa:
- Astaamaha dahaarka fiber-ka graphite
- Xoojinta matrix-ka kaarboon
- Sifooyinka farsamada ee is-taageera
Marka la barbardhigo dareemaha jilicsan ee graphite, dareemaha graphite ee adag wuxuu bixiyaa:
- Xoog cadaadis sare leh
- Xasillooni cabbir oo wanaagsan
- Iska caabin la hagaajiyay oo ku wajahan isbeddelka
- Cimri dheer oo adeeg ah
Kala duwanaanshaha cufnaanta caadiga ah: 0.15–0.30 g/cm³
Dareeraha adag ee garaafitku wuxuu si gaar ah ugu habboon yahay qaybaha foornada ee u baahan joomatari go'an iyo xasillooni dhismeed muddo dheer ah

| Xaashida xogta ee dareemaha adag ee semiconductor-ka ka dib nadiifinta ka dib | |||||||
| Tusmada | Cutubka | Ku salaysan qalabka ciyaarta | |||||
| Dareemid cayriin ah | Dahaarka kaarboon | Dahaarka kaarboonka Pyrolytic | |||||
| Cufnaanta | g/cm3 | 0.15~0.3 | |||||
| Kaarboonka ku jira | % | >99.99 | |||||
| Dambas | ppm | −20 | |||||
| Gudbinta kulaylka | W/mK | 700℃ | 0.119 | 0.139 | 0.140 | ||
| 900℃ | 0.167 | 0.184 | 0.172 | ||||
| 1300℃ | 0.273 | 0.300 | 0.320 | ||||
| 1500℃ | 0.307 | 0.330 | 0.357 | ||||
| Ballaarinta Thermai (CTE) | 10-6K-1 | ilaa 1000℃ | <3.5 | ||||
| ilaa 2000℃ | −6.0 | ||||||
| Xoogga dabacsanaanta | MPA | jihada qaybta | ≥0.69 | ||||
| Xoogga cadaadiska | MPA | jihada qaybta | >0.55 | ||||
| Heerkulka habaynta | ℃ | 2000℃ | |||||
| Codsiga | Koronto-dhaliye Semiconductor | ||||||
Goorma ayay tahay inaad doorato Graphite Soft Felt?
VET Energy, guud ahaan waxaan kugula talineynaa Graphite Soft Felt marka codsigaagu u baahan yahay:
Waxtarka ugu Sareeya ee Daboolida Kulaylka
Dareeraha jilicsan ee graphite ayaa ku habboon marka yareynta kulaylka ay tahay mudnaanta ugu sarreysa.
Joomatari Foorno oo Adag
Dabacsanaanteedu waxay u oggolaanaysaa rakibid fudud oo ku wareegsan:
- Qolalka foornada silsiladda ah
- Aagagga kulul ee qaloocan
- Qaab-dhismeedka dahaarka aan caadiga ahayn
Naqshad Foorno Fudud
Dareemka jilicsan wuxuu yareeyaa cufka guud ee kulaylka, taasoo suurtogalinaysa wareegyada kululaynta iyo qaboojinta oo dhakhso badan.
Codsiyada caadiga ah waxaa ka mid ah:
- Dahaarka foornada koritaanka kiristaalka SiC
- Habaynta kuleylka ee silikoon wafer
- Foornooyinka daaweynta kulaylka faakuumka
- Foornooyinka shaybaarka heerkulka sare leh
Goorma ayay tahay inaad doorato Felt Graphite adag?
Dareemidda graphite adagwaxaa lagu talinayaa marka codsigaagu u baahan yahay:
Xoog Farsamo oo Sare
Ku habboon deegaannada ku lug leh:
- Wareegga kulaylka
- Gariirka farsamada
- Hawlgal joogto ah oo dheer
- Cabbirrada Xasilloon
Dareeraha adag wuxuu ilaaliyaa qaabkiisa loogu talagalay inta lagu jiro hawlgalka foornada ee dheeraadka ah.
Qaybaha Dahaarka ee Mashiinka lagu farsameeyo
Waxaa loo farsameyn karaa:
- Looxyada
- Dhululubada
- qaybo dahaadhka ah oo qaabaysan
Codsiyada caadiga ah waxaa ka mid ah:
- Nidaamyada kulaylka ee semiconductor-ka
- Meelaha kulul ee foornada faakuumka
- Qalabka heerkulka sare ee warshadaha
- Nidaamyada daaweynta kulaylka saxda ah
Sida Tamarta VET ay kaaga Caawinayso inaad Xulato Xalka Dareemka Garaafiga ee Saxda ah
Shirkadda VET Energy, waxaan fahamsanahay in xulashada dahaarka garaafka ay u baahan tahay wax ka badan isbarbardhigga xaashida xogta.
Kooxdayada injineerinka ayaa qiimeysa:
- Heerka heerkulka foornada
- Qaab-dhismeedka kuleylinta
- Xaaladaha faakuumka ama jawiga
- Dhumucda dahaarka loo baahan yahay
- Soo noqnoqoshada wareegga kulaylka
- Shuruudaha daahirnimada
Iyada oo ku saleysan xuduudahan, waxaan ka caawinnaa macaamiisha inay doortaan xalka ugu habboon:
- Dareem jilicsan oo Garaafig ah→ Waxtarka ugu badan ee dahaarka
- Dareemay Garaafig Adag→ Kalsoonida ugu badan ee qaab-dhismeedka
Naqshado badan oo foorno casri ah, xalka ugu fiican maaha in la doorto hal shay oo keliya, laakiin waa in la isku daro labada agab si istaraatiiji ah.
Waqtiga boostada: Luulyo-17-2026