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Abstract: The low cycle fatigue(LCF) properties of as-extruded AZ31 Mg alloy were investigated under total strain amplitudes in the range of 0.4%-1.2% with strain rate of 1×10-2 s-1. Due to the twinning... tests that were started from either tension or compression under a total strain amplitude of 1.0%, the interaction between the twinning effect and dislocation was analyzed. The twinning effect during......
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; twinning,stacking faults,dislocations; [全文内容正在添加中] ......
) sheet were investigated. Electron backscatter diffractometry demonstrates that the deformation during rolling is accommodated by twinning and slip. Additionally, twinning is the dominant deformation mechanism when the cold rolling reduction is less than 40%. During rolling, contraction twinning (CT) and extension twinning (ET) are activated. And, the intensity of the (0002) pole along......
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in the test strain rate and temperature range, while in compression tests twinning deformation mechanism is important at lower temperature when the strain rate ranges from 10-3 to 10 s-1. At 103 s-1 strain rate, dislocation glide and twinning are present at the same time. At the strain rate of 2 964 s-1, adiabatic shear band can be found easily, even at the strain rate of 1 537 s-1......
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rate on deformation twinning of polycrystalline titanium HUANG Wen1, 2, 3, WANG Yang1, 2, LI Zi-ran1, 2, XIA Yuan-ming 1, 2 (1. Department of Mechanics and Mechanical Engineering, University..., Hefei 230027, China; 3. College of Civil Engineering, Shenzhen University, Shenzhen 518060, China) Abstract: The influences of temperature and strain rate on the deformation twinning......
和低温下的拉伸实验结果表明, 晶粒的粗化没有降低纯钛的塑性, 低温下粗, 细晶粒纯钛的塑性均比室温下的高. 这种现象与纯钛低温下活跃的孪生密切相关. 关键词: 工业纯钛; 机械孪晶; 塑性; 力学性能 中图分类号: TG113.25 文献标识码: A Twinning behavior and its effect on mechanical behavior of commercial...an 710016, China) Abstract: Twinning behavior in tensile deformation of commercial pure titanium as well as its grain size dependence were investigated. The microstructure after deformation......
