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Evolution of dislocation cells during plastic deformation ZHOU Zhi-min(周志敏)1, SUN Yan-rui(孙艳蕊)1, ZHOU Hai-tao(周海涛)2 (1. College of Science, Northeastern University, Shenyang 110004, China; 2... understood. It is still an unsolved question whether or not finer grain sizes down to 100nm could be reached. A semi-quantitative model for the evolution of dislocation cells in plastic deformation......
; dislocation density model; dislocation evolution Foundation item: Project(Kfkt2017-07) supported by the State Key Laboratory Program of High Performance Complex Manufacturing, China; Project(B980..., 李玉玺. 40Cr冷滚打成形中位错密度变化研究[J]. 中国机械工程, 2013(16): 2248-2252. WANG Xiao-qiang, CUI Feng-kui, YAN Gen-peng, LI Yu-xi. Study on dislocation density change during cold roll-beating of 40Cr[J]. China......
to the process variables in deformation process of metals and alloys. A microstructure evolution model of a titanium alloy in hot forming, which included dislocation density rate and primary α phase...: titanium alloy; grain size; dislocation density; hot forming; microstructure evolution model CLC number: TG319 Document code: A 1 INTRODUCTION Titanium alloys have been intensely studied over......
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and 1/T was observed. The results show that the modified Laasraoui-Jonas (L-J) dislocation density equation can be employed to calculate the dislocation evolution during dynamic recrystallization of AZ31 magnesium alloy. The results simulated from modified L-J dislocation density model coupled with Cellular Automata (CA) method are well matched with the experimental results. Key words: AZ31......
; dislocation density; tungsten; microstructure evolution simulation Foundation item: Project(51931012) supported by the National Natural Science Foundation of China Received date: 2021-02-25; Accepted...; Dislocation density distribution map(a) and its partial map(b) obtained when T=1623 K and =0.01 s-1 at 2000 dt 图5 应变率0.01 s-1时不同温度下和温度1573 K时不同应变率下的动态回复体积分数曲线 Fig. 5 Dynamic recovery......
J. Cent. South Univ. Technol. (2010) 17: 674-682 DOI: 10.1007/s11771-010-0539-8 Effect of Nb on plasticity and oxidation behavior of TiAlNb intermetallic compound by density functional theory LI...; Abstract: Based on the pseudo potential plane-wave method of density functional theory (DFT), Ti1-xNbxAl (x=0, 0.062 5, 0.083 3, 0.125, 0.250) crystals’ geometry......
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[ type Burgers vector. Number density and size of the loops have been measured. Nucleation and evolution of dislocation loops were also investigated. Voids were observed only in the condition of 5 dpa...Evolution of Dislocation Loops in AL-6XN Stainless Steels Irradiated by Hydrogen IonsZhong-Cheng Zheng1,Yan-Xia Yu1,Wei-Ping Zhang1,Zhen-Yu Shen1,Feng-Feng Luo1,2,Li-Ping Guo1,Yao-Yao Ren3,Rui Tang41......