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aluminum alloy during hot compression deformation at elevated temperature KOU Lin-yuan1, JIN Neng-ping1, ZHANG Hui1, HAN Yi2, WU Wen-xiang2, LI Luo-xing1 (1. College of Materials Science... temperature, which can be represented by a Zener-Hollomon parameter in the hyperbolic sine equation with the hot deformation activation energy of 226.6988 kJ/mol. With increasing temperature and decreasing......
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......
Hot deformation behavior of Super304H austenitic heat resistant steelShu-ping Tan~(1)),Zhen-hua Wang~(2)),Shi-chang Cheng~(3)),Zheng-dong Liu~(3)),Jie-cai Han~(1)), and Wan-tang Fu~(2)) 1) School... of strain rate and the increase of deformation temperature;the hot deformation activation energy of the steel is 485 kJ/mol.The hot deformation equation and the relationship between the peak stress......
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......
Study on the hot deformation behavior of Al-Zn-Mg-Cu-Craluminum alloy during multi-stage hot compression Di FENG1,Xiaoyan ZHENG1,Gaoyong LIN1,Dashu PENG1,Wei YANG1 (1.School of Materials Science and Engineering,Central South University,Changsha 410083,China) Abstract:The mechanical behavior and microstructures of an Al-Zn-Mg-Cu-Cr aluminum alloy during multi-stage hot deformation were......
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......
for forming parameters optimization and quality control. Key words: hot ring rolling; coupled thermo-mechanical FE model; temperature distribution; deformation nonuniformity; FEM ...], geometrical distortions of rings during cooling after rolling[11], and texture of alloys in hot rolling[12], the work related to material deformation, heat transferring and coupled thermo-mechanical......
Deformation behavior and microstructure of an Al-Zn-Mg-Cu-Zr alloy during hot deformationLiang-ming Yan,Jian Shen,Jun-peng Li,Zhou-bing Li,and Xiao-dong Yan General Research Institute for Nonferrous Metals,Beijing 100088,China摘 要:The hot deformation behavior and microstructures of Al-7055 commercial alloy were investigated by axisymmetric hot......
