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典型文献
Effects of minor B additions on tensile strength,fracture toughness and oxidation resistance of Nb-Si based alloys
文献摘要:
The effects of minor additions of B on microstructure,ambient tensile strength,fracture toughness and high-temperature oxidation resistance of Nb-Si based alloys were investigated.The added contents were designed as 0.05,0.10 and 0.20 at.%.The results show constituent phases in 0.05B and 0.20B alloys were Nbss,α-Nb5Si3;while only 0.1 0B alloy consisted of γ-Nb5Si3.Minor B was prioritized into Nbss and redundant one dissolved into silicide enhanced volume fraction of the silicide.With increasing concentrations of boron,the microstructure was refined at first and then coarsened,while the tensile strength was enhanced remarkably.Compared with other two alloys,the 0.1 0B alloy containing γ-Nb5Si3 shows both the best fracture toughness and oxidation resistance.The important roles of γ-Nb5Si3 in balancing overall properties are emphasized.
文献关键词:
作者姓名:
Guangxin Sun;Lina Jia;Yu Wang;Zuheng Jin;Hu Zhang
作者机构:
School of Materials Science and Engineering,Beihang University,Beijing,100191,China
引用格式:
[1]Guangxin Sun;Lina Jia;Yu Wang;Zuheng Jin;Hu Zhang-.Effects of minor B additions on tensile strength,fracture toughness and oxidation resistance of Nb-Si based alloys)[J].自然科学进展·国际材料(英文),2022(02):248-258
A类:
05B
B类:
Effects,minor,additions,tensile,strength,fracture,toughness,oxidation,resistance,alloys,effects,microstructure,ambient,high,temperature,were,investigated,added,contents,designed,results,constituent,phases,20B,Nbss,Nb5Si3,while,only,consisted,Minor,was,prioritized,into,redundant,one,dissolved,silicide,enhanced,volume,fraction,With,increasing,concentrations,boron,refined,first,then,coarsened,remarkably,Compared,other,two,containing,shows,both,best,important,roles,balancing,overall,properties,emphasized
AB值:
0.509273
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