I-Ferro Niobium Ehlanzekile Kakhulu Ikhona Esitokweni
I-NIOBIUM – Izinto ezintsha ezinamathuba amahle esikhathi esizayo
I-Niobium iyinsimbi empunga ekhanyayo enombala omhlophe okhazimulayo ezindaweni ezicwebezelayo. Ibonakala ngephuzu eliphezulu lokuncibilika elingu-2,477°C kanye nobuningi obungu-8.58g/cm³. I-Niobium ingakhiwa kalula, ngisho noma amazinga okushisa aphansi. I-Niobium ithambile futhi iyenzeka ne-tantalum ku-ore yemvelo. Njenge-tantalum, i-niobium iphinde ibe nokumelana okuvelele kwamakhemikhali kanye nokushiswa kwe-oxidation.
| ukwakheka kwamakhemikhali%
| Umkhiqizo | ||||
| FeNb70 | I-FeNb60-A | I-FeNb60-B | I-FeNb50-A | I-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 | - |
Incazelo：
Ingxenye eyinhloko ye-ferroniobium iyi-alloy yensimbi ye-niobium ne-iron. Iphinde iqukethe ukungcola okufana ne-aluminium, i-silicon, i-carbon, i-sulfur, ne-phosphorus. Ngokusho kokuqukethwe kwe-niobium kwe-alloy, ihlukaniswe nge-FeNb50, i-FeNb60 ne-FeNb70. I-alloy yensimbi ekhiqizwa nge-niobium-tantalum ore iqukethe i-tantalum, ebizwa ngokuthi i-niobium-tantalum iron. Ama-alloy e-Ferro-niobium kanye ne-niobium-nickel asetshenziswa njengezithasiselo ze-niobium ekuncibilikiseni i-vacuum yama-alloy asekelwe ensimbini kanye nama-alloy asekelwe e-nickel. Kudingeka ukuthi ibe nokuqukethwe kwegesi okuphansi kanye nokungcola okuphansi okuyingozi, njenge-Pb, Sb, Bi, Sn, As, njll. <2×10, ngakho-ke ibizwa ngokuthi “VQ” (ikhwalithi ye-vacuum), njenge-VQFeNb, VQNiNb, njll.
Isicelo：
I-Ferroniobium isetshenziswa kakhulu ekuncibilikiseni i-alloy enokushisa okuphezulu (emelana nokushisa), insimbi engagqwali kanye nensimbi enamandla aphezulu ene-alloy ephansi. I-Niobium yakha i-niobium carbide ezinzile ene-carbon ensimbi engagqwali kanye nensimbi engamelana nokushisa. Ingavimbela ukukhula kokusanhlamvu ekushiseni okuphezulu, ithuthukise isakhiwo sensimbi, futhi ithuthukise amandla, ukuqina kanye nezakhiwo zokukhasa zensimbi.
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