Isuku ryinshi Ferro Niobium Mububiko
NIOBIUM - Ibikoresho byo guhanga udushya dufite amahirwe menshi yigihe kizaza
Niobium nicyuma cyijimye cyerurutse gifite ibara ryera ryera hejuru yubururu. Irangwa no gushonga hejuru ya 2,477 ° C n'ubucucike bwa 8.58g / cm³. Niobium irashobora kuboneka byoroshye, nubwo haba hari ubushyuhe buke. Niobium ihindagurika kandi ibaho hamwe na tantalum mu bucukuzi busanzwe. Kimwe na tantalum, niobium iragaragaza kandi imiti irwanya imiti na okiside.
| ibigize imiti%
| Ikirango | ||||
| 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 | - |
Ibisobanuro：
Ikintu nyamukuru kigize ferroniobium nicyuma cya niobium nicyuma. Irimo kandi umwanda nka aluminium, silikoni, karubone, sulfure, na fosifore. Ukurikije ibice bya niobium bivanze, bigabanijwemo FeNb50, FeNb60 na FeNb70. Amavuta avanze yakozwe na niobium-tantalum ubutare burimo tantalum, bita niobium-tantalum fer. Amavuta ya ferro-niobium na niobium-nikel akoreshwa nk'inyongeramusaruro ya niobium mu gushonga vacuum gushonga ibyuma bishingiye ku byuma hamwe na nikel ishingiye kuri nikel. Irasabwa kugira gaze nkeya hamwe n’umwanda muke wangiza, nka Pb, Sb, Bi, Sn, As, nibindi <2 × 10, bityo yitwa "VQ" (ubuziranenge bwa vacuum), nka VQFeNb, VQNiNb, n'ibindi
Gusaba：
Ferroniobium ikoreshwa cyane cyane mu gushonga ubushyuhe bwo hejuru (ubushyuhe butarwanya ubushyuhe), ibyuma bidafite ingese hamwe nimbaraga zikomeye zo hasi. Niobium ikora karubide ya niobium ihamye hamwe na karubone mubyuma bidafite ingese hamwe nicyuma cyihanganira ubushyuhe. Irashobora gukumira imikurire yintete ku bushyuhe bwinshi, gutunganya imiterere yicyuma, no kunoza imbaraga, ubukana hamwe nubwonko bwibyuma
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