Gíga Purity Ferro Niobium Ni iṣura
NIOBIUM – Ohun elo fun awọn imotuntun pẹlu agbara ọjọ iwaju nla
Niobium jẹ́ irin aláwọ̀ ewé fẹ́ẹ́rẹ́fẹ́ pẹ̀lú ìrísí funfun tí ń tàn yanranyanran lórí àwọn ojú tí a ti yọ́. Ó ní àmì yíyọ́ gíga ti 2,477°C àti ìwọ̀n 8.58g/cm³. A lè ṣẹ̀dá Niobium ní irọ̀rùn, kódà ní àwọn iwọ̀n otútù tí ó lọ sílẹ̀. Niobium jẹ́ ductile ó sì máa ń wáyé pẹ̀lú tantalum nínú irin àdánidá. Bíi tantalum, niobium tún ní ìdènà kẹ́míkà àti ìfàsẹ́yìn tí ó tayọ.
| àkójọpọ̀ kẹ́míkà%
| Orúkọ ọjà | ||||
| FeNb70 | 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 | - |
Àpèjúwe:
Apá pàtàkì ti ferroniobium ni irin alloy ti niobium ati irin. O tun ni awọn ohun elo idoti bi aluminiomu, silikoni, erogba, sulfur, ati phosphorus. Gẹgẹbi akoonu niobium ti alloy naa, a pin si FeNb50, FeNb60 ati FeNb70. Irin alloy ti a ṣe pẹlu niobium-tantalum ore ni tantalum, ti a pe ni niobium-tantalum iron. A lo awọn irin Ferro-niobium ati niobium-nickel alloy bi awọn afikun niobium ninu fifa afẹfẹ ti awọn alloy ti a da lori irin ati awọn alloy ti a da lori nickel. O nilo lati ni akoonu gaasi kekere ati awọn idoti ipalara kekere, gẹgẹbi Pb, Sb, Bi, Sn, As, ati bẹbẹ lọ <2×10, nitorinaa a pe ni “VQ” (didara vacuum), gẹgẹbi VQFeNb, VQNiNb, ati bẹbẹ lọ.
Ohun elo:
A maa n lo Ferroniobium fun sisun epo ti o gbona (ti o ko ni ooru), irin alagbara ati irin alagbara ti o lagbara. Niobium ṣe agbekalẹ niobium carbide ti o duro ṣinṣin pẹlu erogba ninu irin alagbara ati irin ti ko ni ooru. O le ṣe idiwọ idagbasoke ọkà ni iwọn otutu giga, tun eto irin ṣe, ati mu agbara, lile ati awọn abuda fifẹ ti irin dara si.









