I-Ferro Niobium ecocekileyo ephezulu ikhona kwisitokhwe
I-NIOBIUM – Izinto ezintsha ezinokubakho kwixesha elizayo
I-Niobium yintsimbi engwevu ekhanyayo enembonakalo emhlophe ekhazimlayo kwiindawo ezikhazimlisiweyo. Iphawulwa yindawo yokunyibilika ephezulu ye-2,477°C kunye noxinano lwe-8.58g/cm³. I-Niobium inokwakheka ngokulula, nokuba kumaqondo obushushu aphantsi. I-Niobium ithambile kwaye iyenzeka ne-tantalum kwi-ore yendalo. Njenge-tantalum, i-niobium ikwanokumelana okubalaseleyo kweekhemikhali kunye ne-oxidation.
| ukwakheka kweekhemikhali%
| Uphawu | ||||
| 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 | - |
Inkcazo：
Eyona nto iphambili kwi-ferroniobium yi-iron alloy ye-niobium kunye ne-iron. Ikwanazo nezinto ezingcolisayo ezifana ne-aluminium, i-silicon, i-carbon, i-sulfur, kunye ne-phosphorus. Ngokwe-niobium content ye-alloy, yahlulwe yaba yi-FeNb50, i-FeNb60 kunye ne-FeNb70. I-iron alloy eveliswa yi-niobium-tantalum ore ine-tantalum, ebizwa ngokuba yi-niobium-tantalum iron. Ii-Ferro-niobium kunye ne-niobium-nickel alloys zisetyenziswa njengezongezo ze-niobium ekunyibilikiseni i-vacuum yee-iron-based alloys kunye nee-nickel-based alloys. Kufuneka ibe nomxholo ophantsi wegesi kunye nezinto ezingcolisayo ezinobungozi obuphantsi, ezifana ne-Pb, Sb, Bi, Sn, As, njl. <2×10, ngoko ke ibizwa ngokuba yi-"VQ" (umgangatho we-vacuum), njenge-VQFeNb, VQNiNb, njl.
Isicelo：
I-Ferroniobium isetyenziselwa kakhulu ukunyibilikisa i-alloy enobushushu obuphezulu (emelana nobushushu), intsimbi engatyiwayo kunye nentsimbi enamandla aphantsi e-alloy. I-Niobium yenza i-niobium carbide ezinzileyo ene-carbon kwintsimbi engatyiwayo kunye nentsimbi engatshiwayo. Inokuthintela ukukhula kweenkozo kubushushu obuphezulu, iphucule ulwakhiwo lwentsimbi, kwaye iphucule amandla, ukuqina kunye neempawu zokukhasa kwentsimbi.
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