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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......
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to investigate the evolution of dislocation configuration and strain induced precipitation behavior during relaxation process after deformation in Fe-Ni-Nb-Ti-C-B alloy. Experimental results indicate that the dislocation density is very high and distribute randomly before relaxation. As the relaxation time increasing, dislocation cells will form gradually by polygonization. The strain induced......
stress, the stiff property and physical meaning of the differential equation group consisting of dislocation evolution and mechanical state was investigated based on the 3-D discrete dislocation...MECHANICAL BEHAVIOR OF FCC CRYSTAL SIMULATED BY 3-D DISCRETE DISLOCATION DYNAMICS Y.H. Rong1,X.X. Pan2,Y. Yu1 (1.School of Materials Science and Engineering, Shanghai Jiaotong University, Shanghai......
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......
J. Cent. South Univ. (2020) 27: 1104-1133 DOI: https://doi.org/10.1007/s11771-020-4353-7 Solution-processed perovskite solar cells CHANG Jian-hui(常建辉), LIU Kun(刘坤), LIN Si-yuan(林思远), YUAN Yong-bo(袁... Central South University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2020 Abstract: Perovskite solar cells (PSCs) have emerged as one of the most promising candidates......
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...[ 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......
Microstructure and dislocation structure evolution during creep life of Ni-based single crystal superalloysHao Yua1,Wei Xu1,2,Sybrand van der Zwaag11. Novel Aerospace Materials Group, Faculty... single crystal superalloys during high temperature low stress creep service, is intrinsically determined by the combined effects of microstructural evolution and the dislocation behaviour. In the field......
J. Cent. South Univ. (2017) 24: 2747-2756 DOI: https://doi.org/10.1007/s11771-017-3688-1 Texture evolution and inhomogeneous deformation of polycrystalline Cu based on crystal plasticity finite... and Springer-Verlag GmbH Germany,part of Springer Nature 2017 Abstract: Texture evolution and inhomogeneous deformation of polycrystalline Cu during uniaxial compression are investigated at the grain scale......
The Dislocation Sub-structure Evolution during Hot Compressive Deformation of Ti-6Al-2Zr-1Mo-1V Alloy at 800℃刘勇School of Materials Science and Engineering, Harbin Institute of Technology摘 要:Hot compressive behaviors of Ti-6Al-2Zr-1Mo-1V alloy at 800 ℃, as well as the evolution of microstructure during deformation process, were investigated......