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中文摘要：
用V2O5粉和A1粉为原料，通过铝热还原法制备了高钒铝合金，研究了反应物配比中Al含量对制备的高钒铝合金纯度和钒回收率的影响。结果表明：当反应物配比中Al欠量5％时，高钒铝合金的纯度最高为98．45％；随着反应物配比中Al含量的增加，高钒铝合金的纯度降低，钒的回收率增加，在Al过量15％时回收率最高为92．4％（质量分数）。高钒铝合金的布氏硬度在A1欠量5％时最低，为213．6HB；在Al过量15％时布氏硬度最大，为250HB。可以通过调节原料中Al含量来制备不同纯度的高钒铝合金。
英文摘要：
High grade vanadium - aluminium alloy was prepared by aluminothermic reaction using V205 and A1 powders as raw materials. The effects of A1 content in raw materials on purity of alloy and recovery of vanadium were investigated in this study. The results show that the purity of vanadium decreases with the addition of aluminum element in raw materials and there exists a maximum value of 98.45% when aluminum element is 5% shortfall in raw materials. The recovery rate of vanadium increases with increasing aluminum element in raw materials and there exists a maximum value of 92.4% when aluminum element is 15% excess in raw materials. Brinell hardness of alloy comes to the minimum value of 213.6 HB when aluminum element is 5% shortfall, and comes to the maximum value of 250 HB when aluminum element is 15% excess. The high grade vanadium - aluminium alloy with different purities can be prepared by varying the content of aluminium in raw materials.
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