Kaydka Ferro Niobium oo Nadiif ah
NIOBIUM - Agab loogu talagalay hal-abuurka leh karti mustaqbal oo weyn
Niobium waa bir cawl khafiif ah oo leh muuqaal cad oo dhalaalaya oo ka muuqda dusha sare ee la safeeyey. Waxaa lagu gartaa dhibic dhalaalaysa oo sare oo ah 2,477°C iyo cufnaan dhan 8.58g/cm³. Niobium si fudud ayaa loo samayn karaa, xitaa heerkulka hooseeya. Niobium waa ductile waxayna ku dhacdaa tantalum macdan dabiici ah. Sida tantalum, niobium sidoo kale waxay leedahay iska caabin kiimiko iyo oksaydh oo heer sare ah.
| Halabuurka kiimikada%
| Summada | ||||
| 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 | - |
Sharaxaad:
Qaybta ugu weyn ee ferroniobium waa birta isku-darka ah ee niobium iyo birta. Waxa kale oo ku jira wasakh sida aluminium, silicon, kaarboon, sulfur, iyo fosfooraska. Sida ku cad nuxurka niobium ee birta isku-darka ah, waxa loo qaybiyaa FeNb50, FeNb60 iyo FeNb70. Birta isku-darka ah ee lagu soo saaro macdanta niobium-tantalum waxa ku jira tantalum, oo loo yaqaan birta niobium-tantalum. Birta isku-darka ah ee Ferro-niobium iyo niobium-nickel waxaa loo isticmaalaa sidii lagu daro niobium marka la dhalaalinayo birta ku salaysan birta iyo birta ku salaysan nikkel. Waxaa looga baahan yahay inay lahaato gaas yar iyo wasakh yar oo waxyeello leh, sida Pb, Sb, Bi, Sn, As, iwm. <2×10, sidaa darteed waxaa loogu yeeraa "VQ" (tayada vacuum), sida VQFeNb, VQNiNb, iwm.
Codsiga:
Ferroniobium waxaa inta badan loo isticmaalaa dhalaalinta birta heerkulka sare (u adkaysta kulaylka), birta aan miridhku lahayn iyo birta aan miridhku lahayn ee xoogga badan. Niobium waxay samaysaa niobium carbide deggan oo leh kaarboon bir aan miridhku lahayn iyo birta aan kulaylka lahayn. Waxay ka hortagi kartaa koritaanka hadhuudhka heerkulka sare, waxay sifeeyn kartaa qaab-dhismeedka birta, waxayna hagaajin kartaa xoogga, adkeysiga iyo sifooyinka gurguurta ee birta.
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