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to the dynamic recovery occurs in the tungsten particles and the formation of a large number of lath subgrains. As the strain level increases to 0.6, an adiabatic shear band is formed in the specimen...颗粒在应变速率6000 s-1下的动态变形过程示意图 Fig. 11 Schematic diagram of dynamic deformation process of 90W-Ni-Fe alloy at strain rate of 6000 s-1 3 结论 1) 采用应变限位环的方法精确实现了90W-Ni-Fe合金动态冲击载荷下4个不同的应变条件......
Chemical process dynamic optimization based on hybrid differential evolution algorithm integrated with AlopexFAN Qin-qin(范勤勤), LÜ Zhao-min(吕照民), YAN Xue-feng(颜学峰), GUO Mei-jin(郭美锦)(Key Laboratory of Advanced Control and Optimization for Chemical Processes of Ministry of Education (East China University of Science and Technology), Shanghai 200237, China)Abstract:To solve dynamic optimization......
Crack detection using integrated signals from dynamic responses of girder bridgesWANG Zuo-cai(王佐才), REN Wei-xin(任伟新)(Department of Civil Engineering, Hefei University of Technology, Hefei 230009, China)Abstract:An innovative approach for the identification of cracks from the dynamic responses of girder bridges was proposed. One of the key steps of the approach was to transform the dynamical......
Dynamic limit equilibrium analysis of sliding block for rock slope based on nonlinear FEMLIU Yao-ru(刘相儒), HE Zhu(何柱), LENG Kuang-dai(冷旷代), HUANG Yue-qun(黄跃群), YANG Qiang(杨强)(State Key Laboratory.... The dynamic limit equilibrium solution was proposed for the stability analysis of sliding block based on 3-D multi-grid method, by incorporating implicit stepping integration FEM. There are two......
J. Cent. South Univ. Technol. (2009) 16: 0125-0130 DOI: 10.1007/s11771-009-0021-7 Effective loading algorithm associated with explicit dynamic relaxation method for simulating static problems...; Abstract: Based on the fact that a static problem has an equivalent wave speed of infinity and a dynamic problem has a wave speed of finite value......
fiber, polyester fiber and mineral fiber were used as additives for asphalt mixture, and the dosages were 0.3%, 0.3%, 0.4%, respectively. Dynamic modulus test using superpave simple performance tester (SPT) was adopted to study the dynamic modulus and phase angle for the control mixture and fiber-modified ones at various temperatures and frequencies. Test results show that the rheological......
Trans. Nonferrous Met. Soc. China 25(2015) 1831-1839 Dynamic recrystallization mechanisms during hot compression of Mg-Gd-Y-Nd-Zr alloy Yi-ping WU1,2, Xin-ming ZHANG1,2, Yun-lai DENG1,2, Chang-ping..., China Received 25 July 2014; accepted 17 November 2014 Abstract: Hot compression tests were conducted on a homogenized Mg-7Gd-4Y-1Nd-0.5Zr alloy at 450 °C and a strain rate of 2 s-1. Dynamic......
simulation based on elasto-plastic dynamic explicit FEM under ABAQUS/Explicit environment. The results show that, the splitting spinning force and the splitting spinning moment increase with the increase... dynamic explicit FEM; ABAQUS/Explicit  ......
chamber under dynamic and static combined loading condition FAN De-yuan(范德源)1, LIU Xue-sheng(刘学生)1, 2, 3, TAN Yun-liang(谭云亮)1, 2, SONG Shi-lin(宋世琳)1, NING Jian-guo(宁建国)1, 2, MA Qing(马庆)1 1. School... in deep mining condition. Based on the in-site geological conditions of Longgu coal mine, this paper used the dynamic module of FLAC3D to study the response characteristics of deep super-large section......
was caused by dynamic recovery; conversely, at higher deformation temperature and lower strain rate, the main flow softening was caused by dynamic recrystallization. Moreover, the slipping mechanism... dynamic recovery (DRV) and dynamic recrystallization (DRX), are closely associated with these processing parameters, leading to different kind of microstructures [8-10]. ZHANG et al [11] investigated......