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典型文献
Evolution laws of microstructures and mechanical properties during heat treatments for near-α high-temperature titanium alloys
文献摘要:
Evolution laws of microstructures, mechanical properties, and fractographs after different solution temperatures were investigated through various analysis methods. With the increasing solution temperatures, contents of the primary α phase decreased, and contents of trans-formed β structures increased. Lamellar α grains dominated the characteristics of transformed β structures, and widths of secondary α lamellas increased monotonously. For as-forged alloy, large silicides with equiaxed and rod-like morphologies, and nano-scale silicides were found. Si-licides with large sizes might be (Ti, Zr, Nb)5Si3 and (Ti, Zr, Nb)6Si3. Rod-like silicides with small sizes precipitated in retained β phase, exhib-iting near 45° angles with α/β boundaries. Retained β phases in as-heat treated alloys were incontinuous. 980STA exhibited an excellent com-bination of room temperature (RT) and 650℃ mechanical properties. Characteristics of fracture surfaces largely depended on the evolutions of microstructures. Meanwhile, silicides promoted the formation of mico-voids.
文献关键词:
作者姓名:
Xiaozhao Ma;Zhilei Xiang;Tao Li;Yilan Chen;Yingying Liu;Ziyong Chen;Qun Shu
作者机构:
Faculty of Materials and Manufacturing,Beijing University of Technology,Beijing 100124,China;Pinggao Group CO.,LTD,State Grid Corporation of China,Pingdingshan 467000,China;Aviation Industry of China(AVIC)Manufacture technology institute,Beijing 100024,China
引用格式:
[1]Xiaozhao Ma;Zhilei Xiang;Tao Li;Yilan Chen;Yingying Liu;Ziyong Chen;Qun Shu-.Evolution laws of microstructures and mechanical properties during heat treatments for near-α high-temperature titanium alloys)[J].矿物冶金与材料学报,2022(08):1596-1607
A类:
fractographs,lamellas,silicides,licides,6Si3,Retained,incontinuous,980STA,mico
B类:
Evolution,laws,microstructures,mechanical,properties,during,heat,treatments,near,high,titanium,alloys,after,different,solution,temperatures,were,investigated,through,various,analysis,methods,With,increasing,contents,primary,decreased,increased,Lamellar,grains,dominated,characteristics,transformed,widths,secondary,monotonously,For,forged,equiaxed,rod,like,morphologies,nano,scale,found,sizes,might,be,Ti,Zr,Nb,5Si3,Rod,small,precipitated,retained,iting,angles,boundaries,phases,treated,exhibited,excellent,com,bination,room,Characteristics,fracture,surfaces,largely,depended,evolutions,Meanwhile,promoted,formation,voids
AB值:
0.523397
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