tungsten melting lauj kaub crucible tungsten crucible nrog npog
Cov yam ntxwv tseem ceeb ntawm tungsten crucibles nrog lub hau muaj xws li:
Kub melting point thiab boiling point: lub melting point ntawm tungsten crucible yog 3420 ℃, lub boiling point yog 5660 ℃, thiab qhov ceev yog 19.3g / cm³ 2.
High purity: Qhov purity feem ntau ncav cuag 99.95%.
Kev kub siab ua haujlwm: haum rau qhov kub thiab txias ib puag ncig siab tshaj 2000 ℃.
Zoo thermal conductivity: tsis tshua muaj hluav taws xob resistivity, tsis tshua muaj coefficient ntawm expansion, thiab tsawg electron ua hauj lwm muaj nuj nqi.
| Qhov ntev | Raws li koj xav tau |
| Qhov Chaw Keeb Kwm | Henan, Luoyang |
| Hom Lub Npe | FGD |
| Daim ntawv thov | Quartz iav melting |
| Cov duab | Customized |
| Nto | Polished |
| Purity | 99.95% Min |
| Khoom siv | W1 |
| Qhov ntom | 19.3g / cm3 |
| Cov khoom tseem ceeb | W ≥ 99.95% |
| Cov ntsiab lus impurity ≤ | |
| Pb | 0.0005 |
| Fe | 0.0020 Nws |
| S | 0.0050 Nws |
| P | 0.0005 |
| C | 0.01 ib |
| Cr | 0.0010 Nws |
| Al | 0.0015 Nws |
| Cu | 0.0015 Nws |
| K | 0.008 0 |
| N | 0.003 ib |
| Sn | 0.0015 Nws |
| Si | 0.0020 Nws |
| Ca | 0.0015 Nws |
| Na | 0.0020 Nws |
| O | 0.008 ib |
| Ti | 0.0010 Nws |
| Mg | 0.0010 Nws |
| specifications | Sab nraud txoj kab uas hla tolerance (mm) | Qhov siab kam rau ua (mm) | phab ntsa thickness kam rau ua (mm) | Hauv qab thickness kam rau ua (mm) | Qhov ceev (g / cm³) |
| Φ180 × 320 | +1.86 | + 2.76 | +1.68 | +1.79 | +18.10 Nws |
| Φ275 × 260 | + 2.66 | +3.16 | +1.67 | + 2.76 | +18.10 Nws |
1. Peb lub Hoobkas nyob hauv Luoyang City, Henan Province. Luoyang yog thaj chaw tsim khoom rau tungsten thiab molybdenum mines, yog li peb muaj qhov zoo ntawm qhov zoo thiab tus nqi;
2. Peb lub tuam txhab muaj cov kws tshaj lij nrog ntau tshaj 15 xyoo kev paub, thiab peb muab cov kev daws teeb meem thiab cov lus qhia rau txhua tus neeg siv khoom xav tau.
3. Tag nrho peb cov khoom raug soj ntsuam nruj ua ntej xa tawm.
4. Yog tias koj tau txais cov khoom tsis raug, koj tuaj yeem tiv tauj peb kom them rov qab.
1. raw khoom npaj
2. Isostatic nias
3. sinter
4. Lub tsheb ua haujlwm
5. Kev tshuaj xyuas cov khoom tiav
Tungsten crucibles yog dav siv nyob rau hauv ntau yam teb vim lawv siab melting point, siab ceev, zoo hnav tsis kam, thiab corrosion kuj. Tshwj xeeb tshaj yog nyob rau hauv tsawg lub ntiaj teb hlau smelting, kev ua tau zoo thiab lifespan ntawm tungsten crucibles yog ib qho tseem ceeb heev. Cov tsoos welded crucibles muaj qhov tsis xws luag uas cuam tshuam rau lawv lub neej kev pabcuam. Lub sintered tungsten crucible, vim nws qhov siab ceev thiab purity, daws cov teeb meem no thiab tau dhau los ua qhov kev xaiv zoo tshaj plaws hauv lub ntiaj teb tsis tshua muaj kev lag luam smelting.
Thaum lub sij hawm txoj kev loj hlob ntawm sapphire crystals, lub siab purity thiab tsis muaj nyob rau hauv cov kab nrib pleb ntawm tungsten crucibles zoo heev txhim kho tus nqi ntawm cov noob crystallization. Nyob rau tib lub sijhawm, lawv ua lub luag haujlwm tseem ceeb hauv kev tswj xyuas qhov zoo ntawm sapphire siv lead ua rub, de crystallization, lo rau lub lauj kaub, thiab kev pabcuam lub neej.
Quartz iav melting kuj yuav tsum tau ib tug siab melting point tungsten crucible raws li cov tub ntxhais ntim kom ruaj khov thiab tawm los ntawm qhov kub thiab txias. Tungsten crucibles tuaj yeem tsis tsuas yog tiv taus qhov kub thiab txias hauv cov ntawv thov no, tab sis kuj ua kom cov khoom huv huv thiab cov khoom zoo.
Tiv thaiv plua plav los ntawm kev poob rau hauv lub crucible: Npog lub hau tuaj yeem txo qhov nkag ntawm cov plua plav sab nraud rau hauv lub crucible, yog li tsis txhob muaj kev cuam tshuam rau kev sim.
Yooj yim rau volatilization ntawm cov khoom siv roj: Lub hau nrog qhov sib txawv pab cov roj evaporate ntawm lub crucible, kom tsis txhob muaj siab sab hauv.
Tsis txhob muaj cov hmoov tshauv spillage: Thaum kub kub, npog lub hau tuaj yeem tiv thaiv cov hmoov tshauv thiab ua kom muaj kev sim ua kom huv.
Khaws qhov ntsuas kub hauv lub crucible: Lub hau pab tswj qhov kub thiab txias hauv lub crucible thiab txhim kho kev kub hnyiab.
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