典型文献
Heterogeneous precipitate microstructure in titanium alloys for simultaneous improvement of strength and ductility
文献摘要：
The design of alloys with simultaneous high strength and high ductility is still a difficult challenge.Here,we propose a new approach to designing multi-phase alloys with a synergistic combination of strength and ductility by engineering heterogeneous precipitate microstructures through the activation of differ-ent transformation mechanisms.Using a two-phase titanium alloy as an example,phase field simulations are carried out firstly to design heat treatment schedules that involve both conventional nucleation and growth and non-conventional pseudospinodal decomposition mechanisms,and the calculated microstruc-tures have been evaluated by crystal plasticity finite element modeling.According to simulations,we then set a two-step heat treatment to produce bimodal α+β microstructure in Ti-10V-2Fe-3Al.Further me-chanical testing shows that the ductility of the alloy is increased by～50％and the strength is increased by～10％as compared to its unimodal counterpart.Our work may provide a general way to improve the mechanical properties of alloys through multiscale microstructure design.
文献关键词：
中图分类号：
作者姓名：
Mengyuan Hao;Pei Li;Xuexiong Li;Tianlong Zhang;Dong Wang;Qiaoyan Sun;Libin Liu;Jinshan Li;Yuyou Cui;Rui Yang;Dongs heng Xu
作者机构：
Frontier Institute of Science and Technology,State Key Laboratory for Mechanical Behavior of Materials,Xi'an Jiaotong University,Xi'an 710049,China;Thermal Power Research Institute Co.Ltd.,Xi'an 710032,China;Institute of Metal Research,Chinese Academy of Sciences,Shenyang 110016,China;School of Materials Science and Engineering,Central South University,Changsha 410083,China;State Key Laboratory of Solidification Processing,Northwestern Polytechnical University,Xi'an 710072,China
文献出处：
引用格式：
[1]Mengyuan Hao;Pei Li;Xuexiong Li;Tianlong Zhang;Dong Wang;Qiaoyan Sun;Libin Liu;Jinshan Li;Yuyou Cui;Rui Yang;Dongs heng Xu-.Heterogeneous precipitate microstructure in titanium alloys for simultaneous improvement of strength and ductility)[J].材料科学技术（英文版）,2022(29):150-163
A类：
pseudospinodal
B类：
Heterogeneous,precipitate,titanium,alloys,simultaneous,improvement,strength,ductility,high,still,difficult,challenge,Here,we,propose,new,approach,designing,phase,synergistic,combination,by,engineering,heterogeneous,microstructures,through,activation,differ,transformation,mechanisms,Using,two,example,field,simulations,carried,out,firstly,heat,treatment,schedules,that,involve,both,conventional,nucleation,growth,decomposition,calculated,have,been,evaluated,crystal,plasticity,finite,element,modeling,According,then,set,step,produce,bimodal,Ti,10V,2Fe,3Al,Further,testing,shows,increased,compared,its,unimodal,counterpart,Our,work,may,provide,general,way,mechanical,properties,multiscale
AB值：
0.555296
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机标中图分类号，由域田数据科技根据网络公开资料自动分析生成，仅供学习研究参考。
