Babban Tsaftataccen Ferro Niobium A cikin Stock
NIOBIUM - Wani abu don sababbin abubuwa tare da babban damar nan gaba
Niobium karfe ne mai haske mai launin toka mai launin fari mai kyalli akan filaye da aka goge. Ana siffanta shi da babban wurin narkewa na 2,477°C da kuma yawan 8.58g/cm³. Niobium na iya samuwa cikin sauƙi, ko da a ƙananan zafin jiki. Niobium ne ductile kuma yana faruwa tare da tantalum a cikin tama na halitta. Kamar tantalum, niobium kuma yana fasalta fitattun sinadarai da juriya.
| sinadaran kashi%
| Alamar | ||||
| 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 | - |
Bayani:
Babban bangaren ferroniobium shine ƙarfe na ƙarfe na niobium da baƙin ƙarfe. Hakanan yana ƙunshe da datti kamar aluminum, silicon, carbon, sulfur, da phosphorus. Dangane da abun ciki na niobium na gami, an raba shi zuwa FeNb50, FeNb60 da FeNb70. Garin baƙin ƙarfe da aka samar da niobium-tantalum ore yana ɗauke da tantalum, wanda ake kira niobium-tantalum iron. Ferro-niobium da niobium-nickel alloys ana amfani da su azaman ƙari na niobium a cikin injin smelting na gawa na tushen baƙin ƙarfe da gami na tushen nickel. Ana buƙatar samun ƙarancin iskar gas da ƙarancin ƙazanta masu cutarwa, kamar Pb, Sb, Bi, Sn, As, da sauransu <2×10, don haka ana kiransa “VQ” (Vacuum quality), kamar VQFeNb, VQNiNb, da sauransu.
Aikace-aikace:
Ferroniobium ana amfani dashi galibi don narke babban zafin jiki (mai jure zafi) gami, bakin karfe da ƙarfin ƙarancin ƙarfe. Niobium yana samar da barga na niobium carbide tare da carbon a cikin bakin karfe da karfe mai jure zafi. Yana iya hana ci gaban hatsi a babban zafin jiki, tsaftace tsarin ƙarfe, da haɓaka ƙarfi, tauri da kaddarorin ƙarfe na ƙarfe.
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