共搜索到9415条信息，每页显示10条信息，共942页。用时：0小时0分0秒369毫秒
J. Cent. South Univ. Technol. (2009) 16: 0738-0742 DOI: 10.1007/s11771-009-0122-3 Deformation division of metal flow behavior during extrusion process of 7075 aluminum alloy LI Feng(李 峰)1, CHU.... The characteristic quantities such as the second invariant of the deviator stress J2 and Lode’s coefficient μ were employed for the division of deformation area. The results show that when the metal is extruded......
......
Analysis and application of automatic deformation monitoring data for buildings and structures of mining areaXIAO Jie1, 2, 3, ZHANG Jin4(1. Institute of Geodesy and Geophysics, Chinese Academy... using modern surveying technology. Through the analysis of the monitoring data, the deformation characteristics were found out from three aspects containing points, lines and regions, which play......
J. Cent. South Univ. Technol. (2008) 15(s1): 009-012 DOI: 10.1007/s11771-008-303-5 Rheology elasticity determined by deformation of stretchable molecular trains XIAO Jian-hua(肖建华) (Measurement... to express the rheology deformation. Based on this micro geometrical deformation, the macro deformation of medium was expressed. Then, using intrinsic elasticity concept, the stress-strain relation......
......
Deformation prediction of tunnel surrounding rock mass using CPSO-SVM modelLI Shao-jun(李邵军)1, ZHAO Hong-bo(赵洪波)2, RU Zhong-liang(茹忠亮)2(1. State Key Laboratory of Geomechanics and Geotechnical... method integrating support vector machine (SVM), particle swarm optimization (PSO) and chaotic mapping (CPSO-SVM) was proposed to predict the deformation of tunnel surrounding rock mass. Since chaotic......
TENSILE CREEP DEFORMATION AND DAMAGE BEHAVIOR IN A NICKEL-BASE SUPERALLOY AT 900℃ H.C.Yu1,H.C.Yang2,S.S.Xie3 (1.Beijing Institute of Aeronautical Materials, Beijing 100095, China;2.College of Materials and Metallurgy, Northeastern University, Shenyang 110004, China;3.R & D Center, Baosteel Co. Ltd., Shanghai 201900, China) Abstract:The tensile creep deformation and damage evolution in a Ni......
Deformation behavior of SiC particle reinforced Al matrix composites based on EMA model CHENG Nan-pu(程南璞)1, 2, ZENG Su-min(曾苏民)1, 2, 3, YU Wen-bin(于文斌)1, 2, LIU Zhi-yi(刘志义)1, CHEN Zhi-qian(陈志谦)2... on the elastoplastic deformation behavior in Al matrix composites reinforced by SiC particles with an average size of 5 μm and volume fraction of 12% were quantitatively calculated by using the expanded effective......
Deformation resistance of Fe-Mn-V-N alloy under different deformation processesYun-Li Feng1,2,Jie Li1,2,Li-Qun Ai1,2,Bao-Mei Duan1,21. College of Metallurgy and Energy, North China University of Science and Technology2. Key Laboratory of the Ministry of Education for Modern Metallurgy Technology摘 要:The deformation resistance of Fe-Mn-V-N alloy under......
Trans. Nonferrous Met. Soc. China 20(2010) s811-s814 Thixotropic compression deformation behavior of SiCp/AZ61 magnesium matrix composites YAN Hong (闫 洪), WANG Jian-jin(王建金) School... and experimental references for its thixoforming. Key words: semi-solid; deformation behavior; SiC particles; magnesium matrix composites; thixotropic compression 1 Introduction In recent years the semi......
