典型文献
Composition formula of Al-TMs high-entropy alloys derived by cluster-plus-glue-atoms model and its experimental verification
文献摘要：
High-entropy alloys (HEAs) are based on solid solutions which characterized by chemical short-range ordering (CSRO), but there is no accurate structural tool to address CSRO characteristic, which obstacles precise composition design for HEAs. In this study, based on the cluster-plus-glue-atoms model, the composition law of Al-TMs (TMs, transition metals) HEAs with BCC and FCC structures was revealed. In BCC structure, with five elements in equi-atomic ratio, the composition formula of Al-TMs HEAs can be expressed by a cluster formula [Al-M14]Al3, and in non equi-atomic ratio can be expressed by [Al-M14]Al, where M is the average atom of the TMs. But in FCC structure, both Al-TMs HEAs with five elements in equi-atomic and non equi-atomic ratios can be expressed by a cluster formula [Al-M12]Al. To confirm the effectiveness of cluster formula for Al-TMs, two alloys were designed, [Al-Ti4V3Nb4Mo3]Mo and [Al-Ti3V3Nb4Mo4]Al. Results show that the [Al-Ti3V3Nb4Mo4]Al alloy has both higher strength and higher plastic deformation at room temperature. Besides, [Al-Ti3V3Nb4Mo4]Al alloy shows slower soften effect at 800 oC, contributed to its higher strength. By substituting Ta for some of Mo, the strength of [Al-Ti3V3Nb4Mo3Ta]Al at room temperature and high temperature drastically decreases, suggesting that Ta element deteriorates the properties of Al-TMs alloys.
文献关键词：
中图分类号：
作者姓名：
Tian-yu Liu;Kun Shi;Jun Zhao;Shi-bing Liu;Hong-yu Liu;Bo-liang Liu;Xin-min Mei;Zhao-sheng Ning;Xiao-ming Chen
作者机构：
State Key Laboratory of Light Alloy Casting Technology for High-end Equipment,Shenyang Research Institute of Foundry Co.,Ltd.,Shenyang 110022,China
文献出处：
引用格式：
[1]Tian-yu Liu;Kun Shi;Jun Zhao;Shi-bing Liu;Hong-yu Liu;Bo-liang Liu;Xin-min Mei;Zhao-sheng Ning;Xiao-ming Chen-.Composition formula of Al-TMs high-entropy alloys derived by cluster-plus-glue-atoms model and its experimental verification)[J].中国铸造,2022(06):544-550
A类：
CSRO,Ti4V3Nb4Mo3,Ti3V3Nb4Mo4,Ti3V3Nb4Mo3Ta
B类：
Composition,formula,TMs,entropy,alloys,derived,by,cluster,plus,glue,atoms,model,its,experimental,verification,High,HEAs,are,solid,solutions,which,characterized,chemical,short,range,ordering,there,accurate,structural,tool,address,characteristic,obstacles,precise,composition,In,this,study,law,transition,metals,BCC,FCC,structures,was,revealed,five,elements,equi,atomic,can,be,expressed,M14,Al3,where,average,But,both,ratios,M12,To,confirm,effectiveness,two,were,designed,Results,that,has,higher,strength,plastic,deformation,room,temperature,Besides,shows,slower,soften,oC,contributed,By,substituting,some,drastically,decreases,suggesting,deteriorates,properties
AB值：
0.405823
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