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Deformation twins and twinning at ambient temperature in cryomilled Al-Zn-Mg-Cu alloy powders CHEN Han-bin(陈汉宾)1, CHENG Jun-sheng(程军胜)2, YANG Bin(杨 滨)1, 3, ZHANG Ji-shan(张济山)1, TIAN Xiao-feng(田晓...; Abstract: The nanocrystalline Al-Zn-Mg-Cu alloy powders were synthesized using cryomilling. Deformation twins and twinning at ambient......
Interaction of crack with twins in hot-rolling AZ31 magnesium alloys during in-situ TEM straining experiments WU Luo-yi(吴落义)1, WU Cui-lan(伍翠兰)1, XIA Wei-jun(夏伟军)2, CHEN Zhen-hua(陈振华)2 1. Center...> Abstract: In-situ straining experiments in transmission electron microscopy were performed to investigate the propagation of crack, twinning and interaction of crack with twins. Lots of micro-twins were......
STRAIN RATE SENSITIVITY OF ULTRAFINE-GRAINED Cu WITH NANOSIZED TWINS L. Lu1,L.X. Liu1,X.H.Chen1 (1.Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China) Abstract:An ultrafine-grained Cu sample with a high density of growth twins was synthesized by means of pulsed electrodeposition technique. The strain rate......
Interactions between dislocations and twins in deformed titanium aluminide crystalsGuang Yang1,2,Shang-Yi Ma2,Kui Du2,Dong-Sheng Xu3,Sen Chen1,2,Yang Qi4,Heng-Qiang Ye1,21. School of Materials...="ChDivSummary">Using scanning, transmission electron microscopy and aberration-corrected scanning transmission electron microscopy, we have studied the interactions between dislocations and twins in impact......
grains. The superior strength-ductility combination achieved in the nano-twins-strengthened austenite steel demonstrates a novel approach for optimizing the mechanical properties in engineering......
A Method to Distinguish Twinning Variants and Second Twins by EBSD MeasurementsXinli Wang1,Wenbin Dai2,Rui Wang3,Xinzhong Tian3,Xiang Zhao21. Research Institute,Northeastern University2. School... twins from twinning variants by electron back scattered diffraction(EBSD).To clarify the orientation relationship between the neighboring crystals,the misorientation calculation by MATLAB software......
Nucleation of dislocations and twins in fcc nanocrystals: Dynamics of structural transformationsAleksandr V.Korchuganov1,Aleksandr N.Tyumentsev1,2,Konstantin P.Zolnikov1,Igor Yu.Litovchenko1,2... an atomic model for the generation of dislocations and twins based on local reversible fcc→bcc→fcc transformations, with the reverse one proceeding through an alternative system. The model gives......
The stability of deformation twins in aluminum enhanced by alloying elementsLinghong Liu1,2,Jianghua Chen1,Touwen Fan1,Shunli Shang3,Qinqin Shao1,Dingwang Yuan11. Center for High-Resolution Electron...,The Pennsylvania State University,University Park摘 要:Introducing and stabilizing twins in aluminum is a challenge for metals research due to their high......
Numerical simulation on size effect of copper with nano-scale twins WU Bo1, ZOU Na2, TAN Jian-song1, WANG Jian-ping1, PANG Ming1, HU Ding-yun1 1. Engine Engineering Center, China...: To understand the tensile deformation of electro-deposited Cu with nano-scale twins, a numerical study was carried out based on a conventional theory of mechanism-based strain gradient plasticity (CMSG......
Evolution of Annealing Twins and Recrystallization Texture in Thin-Walled Copper Tube During Heat TreatmentSong-Wei Wang1,2,Hong-Wu Song1,Yan Chen1,Shi-Hong Zhang1,2,Hai-Hong Li31. Institute of Metal... is necessary to release the stored energy and adjusts the microstructure.In this study,an investigation on the evolution of annealing twins as well as textures in the thin-walled(Φ6 mm × 0.3 mm) copper tube......
