Waxaan caawinaa adduunka oo koraya ilaa 1983

Ku dhalaalidda birta aan birta ahayn ee dhalaalaysa iyo shubidda

Sharaxaad Gaaban:

Qurxintayada dhalaalaysa waa walxo dhoobo ah oo aad u adag, xidhashada u adkaysta oo leh kuleyl kuleyl aad u fiican iyo iska caabin shoog kulayl ah.


Faahfaahinta Alaabta

FAQ

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Qabashada Kulaylka Degdega ah · Nolosha Adeegga Dheeraadka ah

shaxanka heerkulbeegga ah ee shoogga iska caabinta ah ee Crucible

MUUQAALKA WAX soo saarka

Dhalasho degdeg ah

Qalabka garaafiga ah ee kulaylka sare wuxuu hagaajiyaa waxtarka kulaylka 30%, si weyn u yareynaya wakhtiga dhalaalka.

graphite crucibles
graphite crucbiles

Iska caabinta shoogga kulaylka sare

Tiknoolajiyada isku xidhan ee resin-ku-xidhan waxay u adkeysanaysaa kuleylka iyo qaboojinta degdega ah, taasoo u oggolaanaysa in si toos ah loo dallaco iyada oo aan dillaacin.

Joogteynta Gaarka ah

Awoodda farsamada sare waxay ka hortagtaa saameynta jirka iyo nabaad guurka kiimikaad ee nolosha adeegga dheer.

graphite crucibles

QEEXIDDA FARSAMADA

 

Garaaf /% 41.49
SiC / % 45.16
B/C / % 4.85
Al₂O₃ / % 8.50
Cufnaanta badan / g·cm⁻³ 2.20
Borosity muuqda / % 10.8
Awood burburin/MPa (25 ℃) 28.4
Qaabka dillaacsan/MPa (25 ℃) 9.5
heerkulka iska caabinta dabka / ℃ >1680
Iska caabin shoog kulaylka / Times 100

 

No Qaabka H OD BD
RA100 100# 380 330 205
RA200H400 180 # 400 400 230
RA200 200# 450 410 230
RA300 300# 450 450 230
RA350 349# 590 460 230
RA350H510 345# 510 460 230
RA400 400# 600 530 310
RA500 500# 660 530 310
RA600 501# 700 530 310
RA800 650# 800 570 330
RR351 351# 650 420 230

 

HABKA NIDAAMKA

Habka saxda ah

1. Habka saxda ah

Garaafka saafiga ah ee sareeya + silikoon carbide oo qaali ah + wakiilka xidhidh ee gaarka ah.

.

Cadaadiska Istatic

2.Isostatic Pressing

Cufnaanta ilaa 2.2g/cm³ | Dulqaadka dhumucda gidaarka ± 0.3m

.

Heerkulka Sare ee Sintering

3. Heerkulka Sare ee Sintering

Dib-u-kristalaynta walxaha SiC oo samaynaysa qaab-dhismeedka shabakadda 3D

.

Kormeer Tayo Adag

5.Kormeer Tayo Adag

Koodhka raadraaca gaarka ah ee raadraaca nololeed ee buuxa

.

Kordhinta Dusha sare

4. Kordhinta Dusha sare

Daahan ka-hortagga oksaydhka → 3 × caabbinta daxalka oo hagaagtay

.

Baakadaha Badbaadada

6.Baakadaha Badbaadada

Lakabka naxdinta leh + xannibaadda qoyaanka + daboolka la xoojiyay

.

CODSIGA SOO SAARKA

Ku habboon inta badan biraha aan birta ahayn

aluminium dhalaalaysa

Aluminium dhalaalaysa

naxaas dhalaalaysa

Maarta dhalaalaysa

dahab dhalaalaysa

Dahab dhalaalay

MAXAA NOO DOORANAYA

Waa maxay sababta nala shuraako?

Markaad na doorato, waxaad helaysaa wax ka badan badeeco - waxaad helaysaa lammaane.

  • Khibrad: Tobaneeyo sano oo waayo-aragnimo ah warshadaha aasaaska.
  • Habaynta: Xalka loo habeeyey si loo daboolo baahiyahaaga gaarka ah.
  • Taageero: Laga bilaabo xulashada ilaa rakibidda, waxaanu kula joognaa tallaabo kasta oo jidka ah.

Warshadaha dhalaalidda biraha, gaar ahaan kuwa aasaaska u ah iyo hawlgallada dhalaalidda, doorashada saxarada saxda ah waxay lagama maarmaan u tahay hufnaanta iyo tayada alaabta. Xirfadlayaasha biraha, gaar ahaan kuwa ku lug leh aluminium iyo aluminiinteeda, waxay u baahan yihiin adhalaalidtaas oo keenta kalsoonida iyo waxqabadka. Hordhacani waxa uu sahamin doonaa sifada, qeexida, iyo faa'iidooyinka Crucible For Foundry and Crucible For Metal Metal, anagoo hubinayna in aad go'aan xog ogaal ah ku gaadhay hawlahaaga.

Astaamaha Muhiimka ah ee Dhirtayada Dhalaliya

  1. Walxaha Burbursan:
    • Silicon Carbide Crucibles: Waxaa loo yaqaanaa kuleylkooda heerkuleed ee aadka u wanaagsan, weelashani waxay si wax ku ool ah ugu shaqeyn karaan heerkul gaaraya 1700°C, taas oo aad uga badan barta dhalaalka aluminiumka (660.37°C). Qaab-dhismeedkooda cufnaanta sare waxay siinayaan xoog cajiib ah iyo iska caabin qallafsan.
    • Kaarboonized Silicon Carbide Crucibles: Nooc la hagaajiyay oo ka hadlaya daciifnimada caadiga ah ee laga helo qashinka dhaqameed, sida xoogga hooseeya iyo caabbinta shoogga kulaylka oo liita. Qalabyadani waxay isticmaalaan isku-darka fiber-carbon iyo silikoon carbide, iyagoo hubinaya waxqabad heersare ah.
  2. Walxaha Crucible ee ugu Fiican:
    • Qalabkeena silikoon carbide crucibles waxay bixiyaan astaamo aad u wanaagsan, oo ay ku jiraan:
      • Meesha dhalaalaysa: Ilaa 2700°C, ku habboon codsiyada heerkul sare ee kala duwan.
      • Cufnaanta: 3.21 g/cm³, ka qaybqaadanaya xooggooda makaanikada ah ee adag.
      • Habdhaqanka kulaylka: 120 W/m·K, awood u siinaya qaybinta kulaylka degdega ah iyo isku midka ah ee hufnaanta dhalaalka
      • Iskuxidhka Balaadhinta kulaylka: 4.0 × 10⁻⁶/°C inta u dhaxaysa 20-1000°C, taas oo yaraynaysa cadaadiska kulaylka.
  3. Heerkulka Kala Duwan:
    • Weelooyinkeena waxaa loogu talagalay in ay u adkeystaan ​​heerkulka shaqeynta ee 800C ilaa 2000C oo leh iska caabin heerkul ugu sarreeya oo isla markiiba ah 2200C, hubinta dhalaalid hufan oo hufan ee biraha kala duwan.

Habka wax-soo-saarka

Habka wax-soo-saarka ee qoloftayada silikoon-carbide-ka-carboned waxay ku lug leedahay dhowr tillaabo oo muhiim ah:

  1. Abuuritaanka Horudhac: Fiber kaarboon waxaa loo sii diyaariyey qaab ku habboon wax-soo-saarka la-muquuniska ah.
  2. Carbonization: Tallaabadani waxay dejinaysaa qaab-dhismeedka kaarbiide-ka silikoon ee bilowga ah.
  3. Cufnaanta iyo Nadiifinta: Kaarboonization dheeraad ah waxay kordhisaa cufnaanta walxaha iyo xasilloonida kiimikada.
  4. Silikoon-is-daba-marin: Maro-sharafeedka waxa lagu dhex daraa silikoon dhalaalaysa si ay u xoojiso xoogeeda iyo iska caabbinta daxalka.
  5. Qaabaynta kama dambaysta ah: Crucible-ka waxa loo qaabeeyey si uu u buuxiyo shuruudo gaar ah, iyada oo la hubinayo waxqabadka ugu fiican.

Faa'iidooyinka iyo Waxqabadka

  • Xoogga Heerkulka Sare: Iyada oo awoodda lagu ilaalinayo sharafta qaabdhismeedka heerkul aad u daran, silikoon carbide crucibles waxay hubisaa isku halaynta inta lagu jiro hababka dhalaalidda heerkulka sare.
  • Iska-caabbinta Daxalka:-Curcibles-yadani waxay iska caabiyaan daxalka aluminiumka dhalaaliyay iyo biraha kale, iyagoo si weyn u kordhinaya cimrigooda waxayna yareynayaan inta jeer ee beddelka.
  • Kiimikada Inert: Silicon carbide kuma falceliso aluminium, hubinta nadiifinta birta dhalaalaysa iyo ka hortagga wasakhowga wasakhda.
  • Xoogga Farsamada: Iyada oo xoogga foorarsan oo ah 400-600 MPa, weelashayadu waxay u adkeysan karaan culeysyo culus, iyaga oo ka dhigaya kuwo ku habboon codsiyada dalbanaya.

Codsiyada

Mashiinnada dhalaalka ah ee Silicon carbide waxaa si weyn loogu isticmaalaa:

  • Dhirta dhalaalaysa aluminium: Muhiim u ah dhalaalka iyo nadiifinta aluminiumka aluminiumka, hubinta tayada tayada sare leh ee aluminium.
  • Aluminium Alloy Foundries: Bixinta jawi heerkul sarreeya oo xasilan oo loogu talagalay tuurista qaybaha aluminiumka aluminium, hagaajinta tayada alaabta iyo yaraynta heerarka qashinka 30%.
  • Shaybaadhka iyo machadyada Cilmi-baarista: Waxay ku habboon tahay tijaabooyinka heerkulka sare, hubinta xogta saxda ah iyo natiijooyinka la isku halleyn karo sababtoo ah qallafsanaantooda kiimikada iyo xasilloonida kulaylka.

Gabagabo

Qalabyada dhalaalintayagu waa aaladaha lagama maarmaanka u ah warshadaha dhalaalinta iyo biraha, ee loo yaqaanno waxqabadkooda gaarka ah iyo wax-qabadkooda. Iyadoo mudnaanta la siinayo tayada iyo hal-abuurka joogtada ah, waxaa naga go'an inaan siino macaamiisheena xalalka dhalaalidda tayada ugu sarreeya ee ku habboon baahidooda gaarka ah. Haddii aad raadinayso weel la isku halayn karo oo loogu talagalay hawlahaaga dhalaalidda birta, ha ka fogaanin kuwayada silikoon carbide crucibles ee loogu talagalay saxnaanta iyo khibradda. Wixii su'aalo ah ama macluumaad dheeraad ah, fadlan xor u noqo inaad nala soo xidhiidho.

graphite crucibles

FAQS

Q1: Daboolka Crucible ma yarayn karaa kharashka tamarta?
J: Dhab ahaantii! Waxay yaraynaysaa luminta kulaylka, waxay dhimaysaa isticmaalka tamarta ilaa 30%.

Q2: Waa maxay foornooyinka ku habboon?
J: Waa wax badan-ku-habboon soo-gelinta, gaaska, iyo foornooyinka korontada.

Q3: Garaafyada silikoon carbide ma ammaan u yahay heerkulka sare?
J: Haa. Deganaansho kuleylkeeda iyo kiimiko ayaa ka dhigaysa mid ku habboon xaaladaha daran.

 Q4: Sidee looga hortagi karaa dildilaaca?

Waligaa ha ku dallacin walxo qabow weel kulul (max ΔT <400°C).

Heerka qaboojinta kadib dhalaalid <200°C/saacaddii.

Isticmaal suumanka qashinka ah ee go'an (iska ilaali saamaynta farsamada).

Q5Sidee looga hortagi karaa dildilaaca?

Waligaa ha ku dallacin walxo qabow weel kulul (max ΔT <400°C).

Heerka qaboojinta kadib dhalaalid <200°C/saacaddii.

Isticmaal suumanka qashinka ah ee go'an (iska ilaali saamaynta farsamada).

Q6Waa maxay tirada dalabka ugu yar (MOQ)?

Qaababka caadiga ah: 1 gabal (muunado la heli karo).

Nakhshad gaar ah: 10 xabbo (sawir CAD ayaa loo baahan yahay).

Q7Waa maxay wakhtiga hogaanka?
Alaabta Kaydka Ah: Ku soo qaada 48 saacadood gudahood.
Dalabka gaarka ah: 15-25maalmowax soo saarka iyo 20 maalmood ee caaryada.

Q8Sidee loo go'aamiyaa haddii qoloftu fashilantay?

Dildilaaca> 5mm gidaarka gudaha.

Qoto galinta birta>2mm.

Qallafsanaanta> 3% (cabir dhexroorka sare ee isbeddelka).

Q9Ma bixisaa hagitaan habka dhalaalka?

Curyaaminta kuleylka ee biraha kala duwan.

Xisaabiyaha heerka socodka gaaska aan shaqayn.

Casharrada fiidiyoowga ah ee ka saarista Slag.

Daraasadda Kiis #1

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Daraasadda Kiis #2

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Markhaati

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- Jane Doe

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- John Doe

Jadwalka La-tashiga Hadda!

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