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the ultrasonic amplitude was 4.6 μm with short action time, the plastic deformation was dominated by twins and the softening effect was dominant. However, the twinning could be inhibited and the hardening... of the ultrasonic vibration in plastic deformation and the effects of ultrasonic vibration on the materials’ performances were conducted by many researchers [4–6]. IZUMI et al [7] performed experimental......
plastic deformation LOU Chao1, ZHANG Xi-yan2, REN Yi2 (1. National and Local Joint Engineering Laboratory of Traffic Civil Engineering Materials, Chongqing Jiaotong University, Chongqing 400074... magnesium alloy subjected to dynamic plastic deformation at room temperature along the rolling direction were investigated. The results show that at the stage of twinning-dominated deformation (ε<8......
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Microstructure tailoring of Al0.5CoCrFeMnNi to achieve high strength and high uniform strain using severe plastic deformation and an annealing treatmentH.T.Jeong,W.J.KimDepartment of Materials Science and Engineering, Hongik University摘 要:Ultrafine-grained alloys fabricated by severe plastic deformation(SPD) have high strength but often poor uniform......
. This observation result indicates that a typical dynamic recovery and recrystallization occur during plastic deformation process at high strain rate. Fig.7 TEM bright-field image showing cell dislocation... recrystallization of electroformed copper liners of shaped charges in high-strain-rate plastic deformation [J]. J University of Science and Technology Beijing, 2002, 9(5): 343-349. [8] SCHWARTA A J, BAKER E L......
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disadvantageous by grain refining of a WE43 magnesium alloy containing 93.04 wt% Mg,4.12 wt% Y,2.15 wt% Nd,0.43 wt% Zr,and 0.26 wt%La.In this study,the consequences of combined severe plastic deformation(SPD...Mechanical properties and in vivo biodegradability of Mg-Zr-Y-Nd-La magnesium alloy produced by a combined severe plastic deformationA.Torkian1,G.Faraji1,M.S.Pedram21. School of Mechanical......
with the guiding angle, no metal flow interface forms at the container’s bottom, the dead zone completely disappears, the deformation types of the metal in the plastic deformation area change from...), the metal near the container flows towards the die pockets homogeneously, and no velocity interface is formed in the plastic deformation zone. The metal flows towards the die pockets radially without......
with the plastic failure of the surrounding rock. Among these factors, the influence of the dynamic disturbance is the most substantial. Under the same stress conditions, the extents of deformation and plastic... roadway; surrounding rock stability; numerical simulation; roadway deformation; plastic failure of surrounding rock Cite this article as: WU Xing-yu, JIANG Li-shuai, XU Xing-gang, GUO Tao, ZHANG Pei-peng......
Numerical simulation of ductile fracture behavior for aluminum alloy sheet under cyclic plastic deformation HU Xing1, ZHAO Yi-xi2, LI Shu-hui1, LIN Zhong-qin1 1. State Key Laboratory... Received 22 June 2010; accepted 10 December 2010 Abstract: A numerical analysis of mechanical behavior of aluminum alloy sheet under cyclic plastic deformation was investigated. Forming limit......
