典型文献
Deformation mechanism of commercially pure titanium under biaxial loading at ambient and elevated temperatures
文献摘要：
Commercially pure(CP)titanium is thermally processed and subjected to biaxial stress.However,the evolution of the microstructural deformation mechanisms under such circumstances is not adequately understood.In this study,the mechanical responses and microstructural deformation mechanisms of TA2 CP titanium sheets under equi-biaxial loading at room temperature(RT),300℃,and 400℃were studied.The activated slip and twinning systems were investigated by transmission electron microscopy(TEM)after polished cruciform specimens were biaxially tensile-tested at RT and elevated temperatures.The results show that{1122}contraction twinning and{1012}extension twinning are the main deforma-tion mechanisms of RT biaxial deformation,while dislocation glide is predominant in biaxial deformation at 300℃and 400℃.This difference yields varied work-hardening behaviors at RT and elevated tem-peratures.In biaxial deformation at 400℃,the main slip trace type is multiple slip.The interaction of different slip systems in multiple slip created shear deformation concentration areas and further induced cross-slip.However,in biaxial deformation at 300℃,the amounts of simplex and multiple slip were significantly reduced compared to those at 400℃because the lower temperature increased the critical resolved shear stress and insufficient activated slip systems were available for grain deformation.There-fore,several stress-concentration areas were generated with the activation of cross-slip.
文献关键词：
中图分类号：
作者姓名：
Yuanjie Fu;Yao Cheng;Yun Cui;Yunchang Xin;Yuyao Zeng;Xiao Liu;Gang Chen
作者机构：
School of Chemical Engineering and Technology,Tianjin University,Tianjin 300350,China;Tianjin Key Laboratory of Chemical Process Safety and Equipment Technology,Tianjin 300350,China;Key Laboratory for Light-weight Materials,Nanjing Tech University,Nanjing,Jiangsu 210009,China;School of Chemical Engineering and Technology,Tianjin Ren'ai College,Tianjin 301636,China;Nuclear Power Institute of China,Chengdu,Sichuan 610015,China;Zhejiang Institute of Tianjin University,Ningbo,Zhejiang 315201,China
文献出处：
引用格式：
[1]Yuanjie Fu;Yao Cheng;Yun Cui;Yunchang Xin;Yuyao Zeng;Xiao Liu;Gang Chen-.Deformation mechanism of commercially pure titanium under biaxial loading at ambient and elevated temperatures)[J].材料科学技术（英文版）,2022(31):237-251
A类：
biaxially
B类：
Deformation,commercially,pure,titanium,loading,ambient,elevated,temperatures,Commercially,CP,thermally,processed,subjected,stress,However,evolution,microstructural,deformation,mechanisms,such,circumstances,not,adequately,understood,In,this,study,mechanical,responses,TA2,sheets,equi,room,were,studied,activated,slip,twinning,systems,investigated,by,transmission,electron,microscopy,TEM,after,polished,cruciform,specimens,tensile,tested,results,show,that,contraction,extension,main,while,dislocation,glide,predominant,This,difference,yields,varied,work,hardening,behaviors,trace,type,multiple,interaction,different,created,shear,concentration,areas,further,induced,cross,amounts,simplex,significantly,reduced,compared,those,because,lower,increased,critical,resolved,insufficient,available,grain,There,fore,several,generated,activation
AB值：
0.505109
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