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behavior of V-5Cr-5Ti alloy QU Feng-sheng, WANG Zhen-hong, ZHANG Hao (China Academy of Engineering Physics, Mianyang 621900, China) Abstract: The flow stress behaviors of V-5Cr-5Ti alloy were investigated at the temperatures of 1150-1400 ℃ and strain rates of 0.001-1 s-1 using thermo-simulation machine. The constitutive equations of flow stress of V-5Cr-5Ti alloy at high temperature were established......
Analysis on flow stress of magnesium alloys during high temperature deformation YANG Ya-qin(杨亚琴), LI Bao-cheng(李保成), ZHANG Zhi-min(张治民) College of Materials Science...; Abstract: The flow stress of magnesium alloys during hot compression at different temperatures and strain rates......
Analysis of flow stress of ZK60 wrought magnesium at elevated temperatures YANG Ya-qin(杨亚琴)1, LI Bao-cheng(李保成)1, ZHANG Zhi-min(张治民)1, 2, ZHANG Xing(张 星)1 1.College of Materials Science... conducted hot deformation experiments on the ZK60 alloy and recorded the flow stress curves. By investigating the properties of the curves and the deformation parameters, the optimized deformation......
Dependence of α-phase size on flow stress during dynamic recrystallization steady state in Ti60 alloyHui Li,Zhang-Long Zhao,Hong-Zhen Guo,Yong-Quan Ning,Ze-Kun Yao,Kai LiSchool of Materials Science and Engineering, Northwestern Polytechnical University摘 要:The dependence of a-phase size on flow stress was characterized by a proposed kinetic model during......
are the key parameters of deformation activation energy. When the deformation temperature is definite, the relation between flow stress and strain rate is liner, and the variation of deformation activation energy of experimental alloy is not big in 523-573 K, but the deformation activation energy increases rapidly above 573 K. The relation of peak flow stress, strain rate and temperature can be described......
parameters and the flow stress models are shown in Tables 1 and 2, respectively. Due to the symmetry of the deformation process, only one quarter of the block is adopted for the finite element analysis..., an ideal condition that the frictional coefficient is zero is considered. Fig.1 Finite element analysis model Table 1 Parameters of material[17-18] Table 2 Flow stress model of materials[18-19......
J. Cent. South Univ. (2019) 26: 728-742 DOI: https://doi.org/10.1007/s11771-019-4043-5 Dynamic stress accumulation model of granite residual soil under cyclic loading based on small-size creep... Abstract: The creep behaviors of granite residual soil with pre-stress of 100 kPa was investigated by a series of small size creep tests. Three different types of strain curves were obtained at different......
J. Cent. South Univ. Technol. (2010) 17: 738-743 DOI: 10.1007/s11771-010-0549-6 Stress field evolution law of mining environment reconstructing structure with change of filling height CHEN...; Abstract: For improving global stability of mining environment reconstructing structure, the stress field evolution law of the structure with the filling height change of low-grade backfill......
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