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Hot deformation behavior of Mg-7.22Gd-4.84Y-1.26Nd-0.58Zr magnesium alloyZHANG Kuia,MA Minglonga,LI Xingganga,LI Yongjuna,LIANG Lichaob,and BING Mengfenb a State Key Lab of Non-ferrous Metals...">The behavior evolvement of Mg-7.22Gd-4.84Y-1.26Nd-0.58Zr(GWN751K) magnesium alloy during the hot deformation process was discussed.The flow stress behavior of the magnesium alloy over the strain rate......
activation on the pyramidal planes. Key words: Mg alloy; hot extrusion treatment; microstructure; mechanical properties; deformation features  ..., so their application is limited. The grains size of Mg alloys may be refined by means of hot extrusion treatment, which may improve the mechanical properties and the deformation ability of them[13-14......
J. Cent. South Univ. Technol. (2011) 18: 36-41 DOI: 10.1007/s11771-011-0655-0 Hot deformation behavior and constitutive relationship of Q420qE steel YU Bao-jun(禹宝军)1, 2, GUAN Xiao-jun(关小军)1, 2... to describe material behavior during hot deformation. Therefore, a number of constitutive equations were available to model the flow curves under hot working conditions in recent years. CINGARA......
好地描述ZK60镁合金的流变应力,其预测值与实验值吻合很好;利用该模型预测的变形温度和应变速率对流变应力的影响结果与一般热加工理论所得结果一致. 关键词:ZK60镁合金;人工神经网络;流变应力;热压缩变形 中图分类号:TG 146.2 文献标识码:A Hot compression deformation behavior... on the flow behavior of the ZK60 alloy are consistent with what is expected from he fundamental theory of hot compression deformation. Key words: ZK60 magnesium alloy; artificial neural network......
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for the typical strains of 0.2, 0.3, 0.5 and 0.7, predicting the instability regions occurring at high strain rate more than 0.05 s-1, which should be avoided during hot deformation. The optimized processing...; strain-rate sensitivity; hot deformation 1 Introduction With high strength, high toughness and good corrosion resistance, the martensitic stainless steels are widely used in vehicle structure, steam power......
Hot deformation behavior of EA4T steelGang XU 1) , Lina WANG 2) , Shiqi LI 1) and Le WANG 1) 1) School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing... deformation behavior of EA4T steel was investigated at temperatures ranging from 950 to 1150 C and strain rates from 0.1 to 20 s 1 on Gleeble-1500 thermo-simulation machine. The work hardening rate versus......
of nickel-titanium shape memory alloy (Ni-Ti SMA) under hot deformation was investigated by means of the compression tests and the linear fitting method. Based on the true stress-strain curves of Ni... parameter was established according to the high stress level and the low stress level at various temperatures so as to more accurately describe the deformation behavior of Ni-Ti SMA during hot working......
THE HOT DEFORMATION BEHAVIOR AND DYNAMIC RECRYSTALLIZATION MODEL OF 35CrMo STEEL X.Y.Ruan1,Y.Zhang2,H.B.Zhang3,B.Zhang3 (1.Department of Plasticity Technology, Shanghai Jiao Tong University... range of 950℃ to 1150℃and strain rate range of 0. 01s-1 to 10s-1. The effect of hot deformation parameters,such as strain rate, deformed temperature and initial grain size on the flow stress behavior......
Microstructure evolution model based on deformation mechanism of titanium alloy in hot forming LI Xiao-li(李晓丽), LI Miao-quan(李淼泉) (School of Materials Science and Engineering, Northwestern... 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......