High Purity Ferro Niobium Hauv Tshuag
NIOBIUM - Ib yam khoom siv rau kev tsim kho tshiab nrog lub peev xwm zoo yav tom ntej
Niobium yog ib hom hlau xim grey dawb uas muaj qhov ci ntsa iab ntawm cov nplaim ci. Nws muaj qhov kub siab txog 2,477°C thiab qhov ceev ntawm 8.58g/cm³. Niobium tuaj yeem tsim tau yooj yim, txawm tias nyob rau qhov kub qis. Niobium yog ductile thiab tshwm sim nrog tantalum hauv cov hlau ntuj. Ib yam li tantalum, niobium kuj tseem muaj cov tshuaj lom neeg thiab kev tiv thaiv oxidation zoo heev.
| tshuaj lom neeg muaj pes tsawg leeg%
| Hom | ||||
| FeB 70 | FeNb60-A | FeNb60-B | FeNb50-A | FeNb50-B | |
| Nb+Ta | |||||
| 70-80 | 60-70 | 60-70 | 50-60 | 50-60 | |
| Ta | 0.8 | 0.5 | 0.8 | 0.8 | 1.5 |
| Al | 3.8 | 2.0 | 2.0 | 2.0 | 2.0 |
| Si | 1.5 | 0.4 | 1.0 | 1.2 | 4.0 |
| C | 0.04 | 0.04 | 0.05 | 0.05 | 0.05 |
| S | 0.03 | 0.02 | 0.03 | 0.03 | 0.03 |
| P | 0.04 | 0.02 | 0.05 | 0.05 | 0.05 |
| W | 0.3 | 0.2 | 0.3 | 0.3 | - |
| Ti | 0.3 | 0.2 | 0.3 | 0.3 | - |
| Cu | 0.3 | 0.3 | 0.3 | 0.3 | - |
| Mn | 0.3 | 0.3 | 0.3 | 0.3 | - |
| As | 0.005 | 0.005 | 0.005 | 0.005 | - |
| Sn | 0.002 | 0.002 | 0.002 | 0.002 | - |
| Sb | 0.002 | 0.002 | 0.002 | 0.002 | - |
| Pb | 0.002 | 0.002 | 0.002 | 0.002 | - |
| Bi | 0.002 | 0.002 | 0.002 | 0.002 | - |
Kev piav qhia：
Lub ntsiab lus tseem ceeb ntawm ferroniobium yog cov hlau sib xyaw ua ke ntawm niobium thiab hlau. Nws kuj muaj cov khoom tsis huv xws li txhuas, silicon, carbon, sulfur, thiab phosphorus. Raws li cov ntsiab lus niobium ntawm cov hlau sib xyaw, nws muab faib ua FeNb50, FeNb60 thiab FeNb70. Cov hlau sib xyaw ua ke nrog niobium-tantalum ore muaj tantalum, hu ua niobium-tantalum hlau. Ferro-niobium thiab niobium-nickel alloys yog siv los ua cov khoom ntxiv niobium hauv kev nqus tsev ntawm cov hlau sib xyaw ua ke thiab cov hlau sib xyaw ua ke nickel. Nws yuav tsum muaj cov roj tsawg thiab cov khoom tsis huv uas tsis zoo, xws li Pb, Sb, Bi, Sn, As, thiab lwm yam. <2 × 10, yog li nws hu ua "VQ" (qhov zoo ntawm lub tshuab nqus tsev), xws li VQFeNb, VQNiNb, thiab lwm yam.
Daim Ntawv Thov：
Ferroniobium feem ntau yog siv rau kev sib xyaw ua ke ntawm cov hlau kub (resistant kub), hlau tsis xeb thiab cov hlau tsis xeb uas muaj zog siab. Niobium tsim cov niobium carbide ruaj khov nrog cov pa roj carbon hauv cov hlau tsis xeb thiab cov hlau tiv taus kub. Nws tuaj yeem tiv thaiv cov noob ntoo loj hlob ntawm qhov kub siab, txhim kho cov qauv ntawm cov hlau, thiab txhim kho lub zog, tawv thiab cov khoom nkag ntawm cov hlau.
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