Te Pure Teitei Ferro Niobium Kei roto
NIOBIUM – He rauemi mo nga mahi hou me te kaha o te heke mai
Ko te Niobium he konganuku hina hina me te kanapa o te ahua ma i runga i nga mata kua orohia. Kei te tohuhia e te taumata whakarewa teitei o te 2,477°C me te kiato o te 8.58g/cm³. Ka ngawari te hanga i te Niobium, ahakoa i te iti o te mahana. He ductile te Niobium, ka puta me te tantalum i roto i te ore taiao. Pērā i te tantalum, ko te niobium he tohu matū tino pai me te ātete hāora.
| hanganga matū%
| Waitohu | ||||
| 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 | - |
Whakaahuatanga：
Ko te waahanga matua o te ferroniobium he koranu rino o te niobium me te rino. Kei roto hoki nga poke penei i te konumohe, te silicon, te waro, te whanariki, me te ūkuikui. E ai ki te ihirangi niobium o te koranu, ka wehea ki FeNb50, FeNb60 me FeNb70. Ko te koranu rino i hangaia me te niobium-tantalum ore he tantalum, e kiia ana ko te rino niobium-tantalum. Ka whakamahia te koranu ferro-niobium me te niobium-nickel hei taapiri niobium i roto i te whakarewa korehau o nga koranu rino me nga nickel-based alloys. E hiahiatia ana kia iti te hau me te iti o nga poke kino, penei i te Pb, Sb, Bi, Sn, As, me etahi atu <2×10, no reira ka kiia ko "VQ" (kounga korehau), penei i te VQFeNb, VQNiNb, etc.
Taupānga：
Ko te Ferroniobium te nuinga o te whakamahi mo te whakarewa i te wera teitei (te wera) te koranu, te kowiri tira me te kaha teitei te rino koranu iti. Ko te Niobium te hanga i te niobium carbide me te waro i roto i te kowiri tira me te wera wera. Ka taea e ia te aukati i te tipu o te witi i te teitei o te pāmahana, te whakamahine i te hanganga o te maitai, me te whakapai ake i te kaha, te uaua me nga taonga ngokingoki o te maitai.
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