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Orientation dependence of deformation twinning in Cu single crystalsS.S.Cai1,X.W.Li2,N.R.Tao11. Shenyang National Laboratory for Materials Science,Institute of Metal Research,Chinese Academy... showed that twinning is closely related to the ratio of the maximum Schmid factor for twinning partial(mT)to the maximum Schmid factor for perfect dislocation(mS),i.e.,mT/mS,rather than mT.The twin......
High Strain Rate Deformation Behavior of Zirconium at Elevated TemperaturesDawu Xiao 1,2),Yinglei Li 1),Shisheng Hu 2) and Lingcang Cai 1) 1) Laboratory for shock wave and Detonation physics Research,Institute of Fluid Physics,P.O.Box 919-102,Mianyang 621900,China 2) Key Laboratory of Mechanical Behavior and Design of Materials,University of Science and Technology of China,Hefei 230027,China摘 要......
] directions, respectively, while three variants still exist when the stress is applied along [111] direction. The corresponding twinning stress related to interfacial dynamic factor and shear modulus... alloy; martensitic twin variants; reorientation kinetics; critical twinning stress; phase-field simulation Ni2MnGa合金中通过磁场或应力场可获得较大的应变输出,这主要是马氏体变体的再取向和再分布造成的[1]. 实验结果显示,若只有外磁场,需要达到2 T才能获得较大的应变输出[2].但问题是要......
镁合金塑性变形机理研究进展刘庆1(1.重庆市重庆大学材料科学与工程学院国家镁合金材料工程研究中心)摘 要:简述了具有密排六方(hcp)结构镁合金材料各种可能的滑移和孪生系统及其临界切变应力;以镁合金塑性变形机理为主线,分别对单晶和多晶镁合金材料塑性变形行为及微观机理的影响规律,轧制,挤压及不同严重塑性变形模式下镁合金织构的形成机理,形变镁合金材料退火过程中回复与再结晶及镁合金材料在热变形过程中的动态再结晶机理,以及沉淀硬化镁合金塑性变形机理,特别是沉淀相与位错滑移及孪生的交互作用机理等进行了总结与评述.同时,对......
Atomistic simulation of tension deformation behavior in magnesium single crystalDirk STEGLICHGKSS Research Centre, Institute of Materials Research, Materials MechanicsGraduate Institute of Ferrous Technology, Pohang University of Science and Technology摘 要:The deformation behavior in magnesium single crystal under c-axis tension is investigated......
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Compressive deformation behavior of an indirect-extruded Mg-8Sn-1Al-1Zn alloyWei-li Cheng1,2,Zhong-ping Que1,Jin-shan Zhang1,Chun-xiang Xu1,Wei Liang1,Bong Sun You2,Sung Soo Park31. School.... It was found that the twinning-slip transition temperature was strain rate dependent, and all the true stress-true strain curves could be divided into two groups: concave and convex curves. Associated......
) extension twinning on the flow behavior of AZ31 Mg alloy [J]. Materials Science and Engineering A, 2007, 445/446: 302-309. [7] YIN D L, ZHANG K F, WANG G F, HAN W B. Warm deformation behavior of hot-rolled... and ductility of magnesium alloys (part Ⅱ): Contract twins [J]. Materials Science and Engineering A, 2007, 464: 8-16. [12] WANG Y N, HUANG J C. The role of twinning and untwinning in yielding behavior......
Exploring the Possibility of Deformation Twinning in Pure AluminumTuo Cai,Zhen-Jun Zhang,Jin-Bo Yang,Zhe-Feng ZhangShenyang National Laboratory for Materials Science,Institute of Metal Research,Chinese Academy of Sciences摘 要:Can aluminum generate deformation twins? Contradictories exist among the experimental results,theoretical predictions......
Stress field interaction during propagation of adjacent tensile twinning nuclei in magnesiumZhe Li,Ben Xu,Qi Sun,Qiu-Lin Li,Wei Liu摘 要:The shear stress field proximity to the twinning and prismatic/basal interfaces of {1012} tensile twins is shown by molecular dynamics simulations.The stress field interacts and influences the twinning growth mode......
