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J. Cent. South Univ. (2017) 24: 17-29 DOI: 10.1007/s11771-017-3404-1 Soft measurement model of ring’s dimensions for vertical hot ring rolling process using neural networks optimized by genetic... Central South University Press and Springer-Verlag Berlin Heidelberg 2017 Abstract: Vertical hot ring rolling (VHRR) process has the characteristics of nonlinearity, time-variation and being......
J. Cent. South Univ. (2016) 23: 2792-2799 DOI: 10.1007/s11771-016-3342-3 Swelling behavior of hot preheated pellets in reduction roasting process Han Gui-hong(韩桂洪)1, Zhang Duo(张多)1, Huang Yan-fang(黄... 410083, China Central South University Press and Springer-Verlag Berlin Heidelberg 2016 Abstract: One kind of facile coal-based direct reduction process is using hot preheated pellets for reduction......
MODELING OF MICROSTRUCTURAL EVOLUTION IN MICROALLOYED STEEL DURING HOT FORGING PROCESS Z. Zhao1,J. Chen1,X.Y. Ruan1,J. Wang1 (1.National Die & Mold CAD Engineering Research Center, Shanghai Jiaotong University, Shanghai 200030, China) Abstract:The microstructural evolution of microalloyed steel during hot forging process was investigated using physical simulation experiments. The dynamic......
and Engineering, Chongqing University, Chongqing 400044, China) Abstract: The deformation behavior of AZ31B magnesium alloy as extruded under hot compression conditions was characterized in the temperature range... 300℃ and strain rate of 1s-1 appears with a peak efficiency of power dissipation about 56% occurring. This domain is expected to happen in a hot process, such as hot rolling, hot extrusion and hot......
Dynamic explicit FE modeling of hot ring rolling process WANG Min(王 敏), YANG He(杨 合), SUN Zhi-chao(孙志超), GUO Liang-gang(郭良刚), OU Xin-zhe(欧新哲) College of Materials Science and Engineering... of the ring. Therefore, how to rapidly and accurately simulate and reveal the process has become an important and troublesome subject in this field. Some research on hot ring rolling has been done......
FEM analysis for hot rolling process of AM60 alloy DING Han-lin(丁汉林), KANAMORI Nao, HONMA Tomoyuki, KAMADO Shigeharu, KOJIMA Yo Department of Mechanical Engineering, Nagaoka University... Recrystallization is expected to occur during hot rolling of magnesium alloys because it is a thermally activated process[14]. Fig.9 shows the optical micrographs of AM60 alloy rolled with a reduction of 50......
Hot compression deformation behavior of the Mg-Al-Y-Zn magnesium alloyFANG Xiya YI Danqing WANG Bin WU Chunping ZHANG Hong School of Materials Science and Engineering,Central South University,Changsha 410083,China摘 要:<正>The hot deformation behavior of a Mg-Al-Y-Zn magnesium alloy was investigated by hot compressive testing on a Gleeble-1500......
Trans. Nonferrous Met. Soc. China 22(2012) 1556-1562 Hot deformation behavior and microstructural evolution of Al-Zn-Mg-0.25Sc-Zr alloy during compression at elevated temperatures ZHANG Zhi-ye1, PAN... alloy and its microstructural evolution were investigated by isothermal axisymmetric hot compression tests at temperatures from 340 to 500 ℃ and strain rates ranging from 0.001 to 10 s-1. The steady......
Microstructural evolution of 2026 aluminum alloy during hot compression and subsequent heat treatment ZHANG Hui, CHEN Rong, HUANG Xu-dong, CHEN Jiang-hua College of Materials Science... addition of Zr to inhibit recrystallization during thermo-mechanical processing. At present, hot compression tests of 2026 aluminum alloy were performed at temperatures ranging from 300 to 450 °C and strain......
Lamellar Disintegration Mechanism of TC11 Titanium Alloy during Hot Compression郑佩琦,黄陆军School of Materials Science & Engineering,Harbin Institute of Technology摘 要:TC11 titanium alloy samples with lamellar microstructrue were compressed on a Gleeble 1500D Simulator.Compression tests were carried out at 950 ℃ and a strain rate of 0.1 s-1 with height......