1. Kev Tsim Khoom Siv & Cov Qauv Txuj Ci Tseem Ceeb
Kev Nkag Siab Tseem Ceeb:Kev nias Isostatic txias (CIP) tsim cov qauv me me uas muaj qhov ceev ceev, sib xws uas ua tau zoo dua li cov graphite extruded lossis vibration-molded ib txwm muaj hauv kev siv tshuab, kev tiv thaiv kev yaig, thiab kev ua haujlwm thermal.
Qhov kev ua haujlwm ntev ntawm cov graphite crucible nyob rau hauv kev ntxhov siab thermal hnyav yog txhais los ntawm nws qhov ntom ntom, lub zog flexural, thiab thermal conductivity. VET Zog siv cov graphite isostatic siab nrog qhov nruab nrab ntawm cov noob me me ntawm8–10 μm, muab qhov siab tshaj plaws tsis kam rau cov kua hlau yaig thiab kev hnav lub cev.
Lub Cev & Cov Khoom Siv Thermal Matrix
| Kev Ntsuas Txuj Ci | Qib Txuj Ci Kev Lag Luam | Semiconductor Qib Ntshiab | Kev Tsim Kho Tseem Ceeb |
| Qhov Ceev Ntau | 1.72 – 1.85 g/cm³ | 1.85 – 1.90 g/cm³ | Kev ceev ceev txo qhov qhib porosity, tiv thaiv cov hlau molten nkag mus thiab sidewall erosion. |
| Cov ntsiab lus ntawm cov tshauv / cov khoom tsis huv | ≤ 20 ppm | ≤ 5 ppm (Kev Cai Purification) | Tiv thaiv cov khoom me me kom tsis txhob nkag mus rau hauv cov silicon, kub, thiab nyiaj uas muaj cov khoom ntshiab heev. |
| Kev Tiv Thaiv Hluav Taws Xob | 8.0 – 13.0 μΩ·m | 8.0 – 10.5 μΩ·m | Xyuas kom muaj kev sib txuas hluav taws xob zoo tshaj plaws thiab kev ua kom sov sai sai. |
| Lub zog flexural | 38 – 50 MPa | 50 – 60 MPa | Tiv taus cov khoom siv hnyav thiab thermal shock thaum lub sijhawm ua haujlwm nchuav. |
| Lub zog compressive | 70 – 110 MPa | 110 – 135 MPa | Tswj kev ruaj khov ntawm cov qauv hauv qab cov khoom siv thermal hnyav thiab cov chaw ua kom sov siab. |
| Kev Ua Kub (100 ° C) | 110 – 120 W/(m·K) | 120 – 130 W/(m·K) | Pab kom hloov pauv cua sov sai thiab sib xws, txo lub sijhawm voj voog thiab kev siv hluav taws xob. |
| Qhov sib piv ntawm anisotropy | 1.15 – 1.25 | 1.05 – 1.15 | Isotropic thermal expansion tiv thaiv cov kab nrib pleb thaum lub sijhawm ua kom sov thiab txias sai. |
2. Kev Tsim Khoom Siv & Cov Qauv Txuj Ci Tseem Ceeb
Kev Nkag Siab Tseem Ceeb:Kev nias Isostatic txias (CIP) tsim cov qauv me me uas muaj qhov ceev ceev, sib xws uas ua tau zoo dua li cov graphite extruded lossis vibration-molded ib txwm muaj hauv kev siv tshuab, kev tiv thaiv kev yaig, thiab kev ua haujlwm thermal.
Qhov kev ua haujlwm ntev ntawm cov graphite crucible nyob rau hauv kev ntxhov siab thermal hnyav yog txhais los ntawm nws qhov ntom ntom, lub zog flexural, thiab thermal conductivity. VET Zog siv cov graphite isostatic siab nrog qhov nruab nrab ntawm cov noob me me ntawm8–10 μm, muab qhov siab tshaj plaws tsis kam rau cov kua hlau yaig thiab kev hnav lub cev.
Lub Cev & Cov Khoom Siv Thermal Matrix
| Kev Ntsuas Txuj Ci | Qib Txuj Ci Kev Lag Luam | Semiconductor Qib Ntshiab | Kev Tsim Kho Tseem Ceeb |
| Qhov Ceev Ntau | 1.72 – 1.85 g/cm³ | 1.85 – 1.90 g/cm³ | Kev ceev ceev txo qhov qhib porosity, tiv thaiv cov hlau molten nkag mus thiab sidewall erosion. |
| Cov ntsiab lus ntawm cov tshauv / cov khoom tsis huv | ≤ 20 ppm | ≤ 5 ppm (Kev Cai Purification) | Tiv thaiv cov khoom me me kom tsis txhob nkag mus rau hauv cov silicon, kub, thiab nyiaj uas muaj cov khoom ntshiab heev. |
| Kev Tiv Thaiv Hluav Taws Xob | 8.0 – 13.0 μΩ·m | 8.0 – 10.5 μΩ·m | Xyuas kom muaj kev sib txuas hluav taws xob zoo tshaj plaws thiab kev ua kom sov sai sai. |
| Lub zog flexural | 38 – 50 MPa | 50 – 60 MPa | Tiv taus cov khoom siv hnyav thiab thermal shock thaum lub sijhawm ua haujlwm nchuav. |
| Lub zog compressive | 70 – 110 MPa | 110 – 135 MPa | Tswj kev ruaj khov ntawm cov qauv hauv qab cov khoom siv thermal hnyav thiab cov chaw ua kom sov siab. |
| Kev Ua Kub (100 ° C) | 110 – 120 W/(m·K) | 120 – 130 W/(m·K) | Pab kom hloov pauv cua sov sai thiab sib xws, txo lub sijhawm voj voog thiab kev siv hluav taws xob. |
| Qhov sib piv ntawm anisotropy | 1.15 – 1.25 | 1.05 – 1.15 | Isotropic thermal expansion tiv thaiv cov kab nrib pleb thaum lub sijhawm ua kom sov thiab txias sai. |
3. Kev Sib Piv Txog Kev Ua Haujlwm ntawm Cov Khoom Siv: Isostatic Graphite vs. Lwm Cov Crucibles
Kev Nkag Siab Tseem Ceeb:Piv rau cov iav quartz, av nplaum-graphite, thiab alumina ceramic, cov graphite isostatic siab-purity muaj kev tiv taus thermal shock zoo dua, tsis muaj tshuaj lom neeg rau cov hlau muaj nqis, thiab ua haujlwm tau zoo heev.
Xaiv lub crucible zoo tagnrho yuav tsum tau phim cov txheej txheem thermal, cua sov, thiab tshuaj lom neeg reactivity:
Kev Ntsuas Kev Ua Haujlwm ntawm Crucible
| Hom Khoom Siv Crucible | Kub Tshaj Plaws (°C) | Kev Tiv Thaiv Kev Kub Ntxhov | Kev Sib Txuas Lus Induction | Kev Tsis Txawj Ntse ntawm Cov Hlau Yaj | Kev Txwv Tseem Ceeb ntawm Kev Lag Luam |
| VET Zog High-Purity Isostatic Graphite | 2760°C (Nqus Tsev) / 400°C (Cua) | Zoo heev(Qhov kub tshaj plaws ΔT > 1000°C voj voog) | Siab heev(Tus Neeg Uas Muaj Zog) | Zoo heev(Tsis ntub rau Au, Ag, Cu) | Yuav tsum muaj huab cua tiv thaiv siab tshaj 400 ° C kom tiv thaiv tau huab cua oxidation. |
| Cov Graphite Uas Muaj Av nplaum | 1200°C – 1400°C | Nruab nrab | Qis / Nruab Nrab | Ncaj Ncees (Yooj yim rau cov slag suav nrog) | Muaj cov khoom tsis huv ntau; tsis haum rau kev ua kom zoo lossis kev ua cov khoom siv semiconductor. |
| Fused Quartz Iav | 1100°C – 1450°C | Zoo | Tsis muaj (Insulator) | Tsis Zoo (Tshuaj nrog cov hlau uas ua rau muaj kev cuam tshuam) | Mos muag thaum kub siab; yooj yim rau devitrification thaum lub sijhawm thermal cycling. |
| Alumina Ceramic (Al₂O₃) | 1600°C – 1750°C | Pluag (Brittle) | Tsis muaj (Insulator) | Zoo nyob rau hauv cov chaw oxidizing | Tsis kam rau thermal shock; yooj yim tawg thaum muaj kev hloov pauv sai sai ntawm thermal. |
4. Cov Xwm Txheej Tseem Ceeb ntawm Kev Siv Hauv Kev Lag Luam & Phau Ntawv Qhia Xaiv
Kev Nkag Siab Tseem Ceeb:Qhov ntev ntawm Crucible, cov theem purity ntawm cov tshauv, thiab cov txheej txheej saum npoo yuav tsum tau ua kom haum rau qhov melting point, tshuaj lom neeg reactivity, thiab tus qauv purity ntawm cov khoom siv.
Phau Ntawv Qhia Xaiv Daim Ntawv Thov
| Cov Khoom Siv / Daim Ntawv Thov | Melting Point (°C) | Qib Purity Pom Zoo | Cov txiaj ntsig ntawm cov txheej txheem tseem ceeb |
| Tin (Sn) Kev Ua Haujlwm Kub Qis | 232 °C | Qib Txheem (≤ 20 ppm) | Tsawg tshaj plaws tshuaj lom neeg ua rau puas tsuaj, muab lub neej ua haujlwm ntev heev. |
| Kev Yaj Aluminium (Al) & Alloy | 660 °C | Qib Txheem / Txheej Txheem | Kev tiv taus zoo heev rau kev nplaum ntawm cov khib nyiab; xaiv tau SiC txheej tiv thaiv kev oxidation ntawm qhov chaw. |
| Kev Kho thiab Casting Nyiaj (Ag) | 962 °C | Kev Ntshiab Siab (≤ 10 ppm) | Qhov saum npoo du thiab tiaj tiaj tiv thaiv cov nyiaj uas yaj hauv dej nkag mus, tshem tawm cov khoom poob. |
| Kub (Au) Yaj thiab Ncuav | 1064 °C | Ntshiab Kawg (≤ 5 ppm) | Tsis muaj impurity leaching, xyuas kom meej tias ua raws li cov qauv bullion fineness. |
| Tooj liab (Cu) Metallurgy | 1085 °C | Qib Txheem Siab Ceev | Kev ua tau zoo ntawm cov cua sov (k = 110–130 W/(m·K)) txo qhov kev siv hluav taws xob hauv cov cub tawg induction. |
| Kev rub ntawm Semiconductor Silicon (Si) | 1410 °C | Qib Semiconductor (≤ 5 ppm + SiC) | Tswj nruj me ntsis boron thiab phosphorus kev ua qias tuaj rau mono / poly-silicon crystal kev loj hlob. |
5. Qhov Ntev Txheem & Kev Cai CNC Machining Muaj Peev Xwm
Kev Nkag Siab Tseem Ceeb:Cov qhov loj me ntawm crucible txheem npog cov peev xwm los ntawm1 kg txog 16 kgSiv cov graphite blocks loj (txog li D1440 × 1200 mm), VET Energy muab kev ua haujlwm precision rau cov geometries tshwj xeeb.
[Duab Qhov Chaw: Txheem Isostatic Graphite Crucibles nrog Hau (1KG, 3KG-B, 5.5KG)]
Qhov Loj Txheem Graphite Crucible (Cov Kev Xaiv Lub Hau Sib Xws)
| Cov Lus Qhia Txog Peev Xwm (Peev Xwm Yaj) | Txoj kab uas hla sab nraud (OD) | Sab Hauv Txoj Kab uas hla (ID) | Tag Nrho Qhov Siab (H) | Phab ntsa & Hauv qab tuab |
| Qauv 1 KG | 58 hli | 35 hli | 88 hli | 11.5 hli |
| Qauv 2 KG | 65 hli | 44 hli | 110 hli | 10.5 hli |
| Qauv 3 KG (Hom B) | 85 hli | 60 hli | 105 hli | 12.5 hli |
| Qauv 5.5 KG | 105 hli | 70 hli | 150 hli | 17.5 hli |
Cov Chaw Ua Haujlwm Tshuab thiab Kev Ntsuam Xyuas Zoo
VET Energy muaj ib lub chaw ua haujlwm machining siab heev uas muaj 6,000 m² uas muaj cov chaw CNC milling thiab Coordinate Measuring Machines (CMM):
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Cov Chaw Milling CNC Uas Muaj Kev Ntsuas Siab (10 Chav):Qhov siab tshaj plaws ntawm daim ntawv ua haujlwm yog 700 × 600 × 500 mm, kev kam rau ua haujlwm txog li ± 0.005 mm.
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Cov Chaw Ua Haujlwm CNC Loj (10 Chav):Qhov siab tshaj plaws ntawm daim ntawv ua haujlwm yog 1000 × 2000 × 1800 hli, kev kam rau ua haujlwm txog li ± 0.03 hli.
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Tshuab Ntsuas Kev Sib Koom Tes (CMM):Kev tshuaj xyuas ntau yam 900 × 1500 × 800 hli, qhov tseeb ntawm kev ntsuas ntawm 0.005 hli.
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Cov Txheej Txheem Txhim Kho Nto:Muaj cov txheej txheej Silicon Carbide (CVD SiC) thiab Pyrolytic Carbon (PyC) los txhim kho cov khoom tiv thaiv oxidation thiab tsis ntub.
6. Phau Ntawv Qhia Txog Kev Siv thiab Txij Nkawm Rau Lub Neej Ua Haujlwm Siab Tshaj Plaws
Kev Nkag Siab Tseem Ceeb:Ua ntej cua sov cov crucibles mus txog ~ 500 ° C thiab tswj cov huab cua ib puag ncig tiv thaiv cov dej noo tawg thiab qeeb qeeb ntawm kev ua kom sov.
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Kev Khaws Cia Tsis Muaj Dej:Graphite muaj cov qauv porous uas nqus tau cov av noo ib puag ncig. Khaws cov crucibles rau hauv qhov chaw qhuav thiab muaj cua nkag ua ntej siv.
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Maj mam ua kom sov thiab ziab:Ua ntej pib ua haujlwm, maj mam nce qhov kub kom txog li 500 °C thiab tuav li 30-60 feeb kom tshem tawm cov dej noo, zam kev tawg los ntawm cov pa.
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Kev Them Nqi Kom Zoo:Tsis txhob muab cov hlau txias thiab khov kho khi rau hauv lub hauv paus crucible. Cov hlau nthuav dav hauv qab cua sov ua rau muaj kev nyuaj siab heev uas tuaj yeem ua rau phab ntsa tawg.
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Kev Tshem Tawm Slag Tom Qab Yaj:Siv cov cuab yeej tshwj xeeb los ntxuav cov slag seem thaum lub crucible tseem sov kom tiv thaiv cov ntsiab lus ntawm kev ntxhov siab kom tsis txhob khov.
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Kev Hloov Pauv Txhua Lub Sijhawm:Rau cov crucibles uas nyob ruaj khov hauv cov cub tawg tas mus li, tig lub crucible tsis tu ncua kom faib cov cua sov kom sib npaug thiab ua kom lub neej ntev.
7. Cov Lus Nug Feem Ntau (FAQ)
Q1: Vim li cas isostatic graphite crucibles zoo dua li extruded graphite crucibles?
Isostatic graphite raug nias los ntawm kev siv isotropic hydrostatic pressure, ua rau cov khoom sib xws (isotropy ratio 1.05–1.25). Cov graphite extruded muaj cov noob sib dhos ua ke, ua rau tsis sib xws thermal nthuav dav thiab tawg thaum lub sijhawm thermal shock.
Q2: Thaum twg qhov kub thiab txias graphite oxidation pib?
Hauv ib qho chaw qhib uas muaj cov pa oxygen, graphite pib oxidizing ntawm kwv yees li 400 ° C. Hauv ib qho chaw nqus tsev lossis inert gas (Argon / Nitrogen), VET Energy high-purity graphite withstands kub txog li 2760 ° C.
Q3: Cov ntsiab lus tshauv cuam tshuam li cas rau kev ua kom cov hlau muaj nqis?
Cov tshauv sawv cev rau cov khoom tsis huv (piv txwv li, Fe, Al, Si). Thaum kub siab, cov khoom tsis huv no yuav tawg mus ua kub lossis nyiaj uas yaj, hloov qhov zoo thiab ci ntsa iab. VET Energy's ≤ 5 ppm qib ntshiab heev tshem tawm cov kev pheej hmoo ntawm kev ua qias tuaj.
Q4: VET Energy puas tuaj yeem muab cov qauv geometries thiab cov txheej txheem tshwj xeeb?
Yog. Peb tsim cov qauv geometries, cov hau xov, thiab cov qauv ntau lub qhov, ua tiav nrog CVD Silicon Carbide (SiC) coatings los txhim kho kev tiv thaiv kev hnav, kev tiv thaiv oxidation, thiab kev tsis muaj tshuaj lom neeg.
8. Kev Sib Tham Txog Kev Xa Khoom & Kev Nrhiav Khoom
Siv cov tshauv tsawg heev (≤ 5 ppm), qhov ceev ntawm cov khoom loj, thiab kev ua haujlwm thermal zoo heev (110–130 W/(m·K)), VET Energy's high-purity isostatic graphite crucibles muab kev ua haujlwm ntev rau kev lag luam metallurgy, kev rub siv lead ua, thiab kev kho cua sov hauv chav kuaj. VET Energy muab kev xa khoom kawg-rau-kawg-txij li kev npaj cov khoom siv raw thiab CNC machining mus rau CVD SiC coatings siab heev.
Cov Ntawv Tshaj Tawm Txog Kev Siv Tshuab & Cov Ntaub Ntawv Tiv Tauj
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Tus tshaj tawm:Chav Haujlwm Txhawb Nqa Kev Txawj Ntse, VET Energy (Ningbo Vet Energy Technology Co., Ltd.)
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Lub Vas Sab Hauv Internet: www.vet-china.com
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Daim Ntawv Ceeb Toom Txog Cov Ntaub Ntawv:Cov nqi lus qhia tshwj xeeb ntawm no qhia txog kev kuaj hauv chav kuaj los ntawm VET Energy. Thov sab laj nrog peb pab neeg kws tshaj lij kom paub txog kev kam rau siab thiab kev qhia siv.
Lub sijhawm tshaj tawm: Lub Xya Hli-24-2026