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应用团簇+胶粘原子模型在三元Fe-B-Y合金系中设计三元合金成分,选择最密堆的CN10 Archimedes八面体反棱柱FesB<,3>作为基本团簇,Y为胶粘原子.在此基础上添加3at%Nb作为微合金化元素形成四元合金.以适量的Ni替换Fe,形成五元合金[(Fie100-xNix)<,8>B<,3>-Y]<,97>-Nb<,3>.结果表明,当Ni的含量小于30at%时,均可形成直径为2 mm的块体非晶合金,其中,合金[(Fe<,94>Ni<,6>)<,8>B<,3>-Y]<,97>-Nb <,3>具有最大的Tg、Tx和Trg值,分别为:884K、972K和0.634.

参考文献

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