Babban Tsarkakakken Ferro Niobium A Hannun Jari
NIOBIUM - Kayan aiki don ƙirƙira tare da babban yuwuwar nan gaba
Niobium ƙarfe ne mai launin toka mai haske wanda yake da farin haske a saman da aka goge. Yana da yanayin narkewa mai yawa na 2,477°C da kuma yawan 8.58g/cm³. Ana iya samar da Niobium cikin sauƙi, koda a yanayin zafi mai ƙasa. Niobium yana da ductile kuma yana faruwa tare da tantalum a cikin ma'adinan halitta. Kamar tantalum, niobium kuma yana da juriya ga sinadarai da iskar shaka.
| sinadaran abun da ke ciki%
| Alamar kasuwanci | ||||
| 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 sinadarin ferroniobium shine ƙarfen niobium da baƙin ƙarfe. Hakanan yana ɗauke da ƙazanta kamar aluminum, silicon, carbon, sulfur, da phosphorus. Dangane da abun da ke cikin niobium na ƙarfen, an raba shi zuwa FeNb50, FeNb60 da FeNb70. Haɗin ƙarfen da aka samar da niobium-tantalum ma'adinai ya ƙunshi tantalum, wanda ake kira niobium-tantalum iron. Ana amfani da haɗin Ferro-niobium da niobium-nickel azaman ƙarin niobium a cikin narkewar ƙarfe da ƙarfen da ke tushen nickel. Ana buƙatar ya kasance yana da ƙarancin iskar gas da ƙarancin ƙazanta masu cutarwa, kamar Pb, Sb, Bi, Sn, As, da sauransu <2×10, don haka ana kiransa "VQ" (ingancin vacuum), kamar VQFeNb, VQNiNb, da sauransu.
Aikace-aikace:
Ana amfani da Ferroniobium musamman don narkar da ƙarfe mai zafi (mai jure zafi), bakin ƙarfe da ƙarfe mai ƙarfi mai ƙarancin ƙarfe. Niobium yana samar da carbide mai ƙarfi na niobium tare da carbon a cikin bakin ƙarfe da ƙarfe mai jure zafi. Yana iya hana haɓakar hatsi a yanayin zafi mai yawa, yana tsaftace tsarin ƙarfe, da kuma inganta ƙarfi, tauri da halayen rarrafe na ƙarfe.
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