一.產品介紹：
鈮(ni)(Nb)屬(shu)于高(gao)(gao)熔(rong)點(dian)（鈮(ni)2468℃）、高(gao)(gao)沸點(dian)（鈮(ni)5127℃）有色(se)金(jin)(jin)屬(shu)，外觀似鋼(gang)(gang)(gang)，灰白色(se)光(guang)澤，粉末呈深(shen)灰色(se)，具有吸氣(qi)、耐(nai)腐蝕(shi)、超導(dao)性(xing)(xing)(xing)(xing)(xing)(xing)、單極導(dao)電(dian)(dian)性(xing)(xing)(xing)(xing)(xing)(xing)和(he)(he)在(zai)高(gao)(gao)溫下(xia)強度高(gao)(gao)等(deng)特性(xing)(xing)(xing)(xing)(xing)(xing)。世(shi)界約85％～90％的(de)(de)(de)鈮(ni)以(yi)鈮(ni)鐵形式(shi)用于鋼(gang)(gang)(gang)鐵生產(chan)。鋼(gang)(gang)(gang)中(zhong)(zhong)只(zhi)需(xu)加(jia)入0.03％～0.05％的(de)(de)(de)鈮(ni)便(bian)可(ke)使(shi)鋼(gang)(gang)(gang)的(de)(de)(de)屈服強度提(ti)(ti)高(gao)(gao)30％以(yi)上。此(ci)外，鈮(ni)還能(neng)通過誘導(dao)析出(chu)和(he)(he)控(kong)制(zhi)冷卻(que)速度，實現析出(chu)物(wu)彌散分(fen)布(bu)，在(zai)較寬的(de)(de)(de)范(fan)圍內調整(zheng)鋼(gang)(gang)(gang)的(de)(de)(de)韌性(xing)(xing)(xing)(xing)(xing)(xing)水平。因此(ci)，鋼(gang)(gang)(gang)中(zhong)(zhong)加(jia)入鈮(ni)不僅(jin)可(ke)以(yi)提(ti)(ti)高(gao)(gao)鋼(gang)(gang)(gang)的(de)(de)(de)強度，還可(ke)以(yi)提(ti)(ti)高(gao)(gao)鋼(gang)(gang)(gang)的(de)(de)(de)韌性(xing)(xing)(xing)(xing)(xing)(xing)、抗高(gao)(gao)溫氧化(hua)性(xing)(xing)(xing)(xing)(xing)(xing)和(he)(he)耐(nai)蝕(shi)性(xing)(xing)(xing)(xing)(xing)(xing)，降低鋼(gang)(gang)(gang)脆性(xing)(xing)(xing)(xing)(xing)(xing)轉變(bian)溫度，使(shi)鋼(gang)(gang)(gang)具有良(liang)好的(de)(de)(de)焊接性(xing)(xing)(xing)(xing)(xing)(xing)能(neng)和(he)(he)成(cheng)型性(xing)(xing)(xing)(xing)(xing)(xing)能(neng)。 因此(ci)，當前鈮(ni)新(xin)材(cai)料應用的(de)(de)(de)相關高(gao)(gao)技術(shu)產(chan)業(ye)領域包括電(dian)(dian)子(zi)、精(jing)密陶瓷和(he)(he)精(jing)密玻璃工(gong)(gong)業(ye)；電(dian)(dian)聲光(guang)器件(jian)；硬質合金(jin)(jin)，宇(yu)航(hang)及電(dian)(dian)子(zi)能(neng)工(gong)(gong)業(ye)；超導(dao)工(gong)(gong)業(ye)；特種(zhong)鋼(gang)(gang)(gang)等(deng)產(chan)業(ye)。 鉭和(he)(he)鈮(ni)在(zai)電(dian)(dian)子(zi)工(gong)(gong)業(ye)、化(hua)學工(gong)(gong)業(ye)、特種(zhong)合金(jin)(jin)以(yi)及真空技術(shu)、 技術(shu)方面都(dou)具有非常重要的(de)(de)(de)地(di)位。在(zai)電(dian)(dian)子(zi)工(gong)(gong)業(ye)中(zhong)(zhong)利用鈮(ni)金(jin)(jin)屬(shu)制(zhi)造的(de)(de)(de)電(dian)(dian)解(jie)電(dian)(dian)容(rong)(rong)器具有電(dian)(dian)容(rong)(rong)量大(da)、漏電(dian)(dian)流小(xiao)、穩定性(xing)(xing)(xing)(xing)(xing)(xing)好、可(ke)靠性(xing)(xing)(xing)(xing)(xing)(xing)高(gao)(gao)、耐(nai)壓性(xing)(xing)(xing)(xing)(xing)(xing)能(neng)好、壽命長(chang)、體(ti)積小(xiao)等(deng)突出(chu)特點(dian)。在(zai)冶金(jin)(jin)工(gong)(gong)業(ye)中(zhong)(zhong)，鈮(ni)主要用作(zuo)生產(chan)高(gao)(gao)強度合金(jin)(jin)鋼(gang)(gang)(gang)、改良(liang)各種(zhong)合金(jin)(jin)性(xing)(xing)(xing)(xing)(xing)(xing)能(neng)和(he)(he)制(zhi)作(zuo)超硬工(gong)(gong)具的(de)(de)(de)添加(jia)劑(ji)。
