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and a circular arc fillet instead of the tapered profile to obtain a more practical method to analyze velocity fields in spur gear forging. A kinematically admissible continuous velocity field was proposed...Trans. Nonferrous Met. Soc. China 25(2015) 926-935 3D FEM simulation of flow velocity field for 5052 aluminum alloy multi-row sprocket in cold semi-precision forging process Wang-jun CHENG1, Cheng......
J. Cent. South Univ. (2016) 23: 2165-2172 DOI: 10.1007/s11771-016-3273-z Surface adhesive properties of continuous PBO fiber after air-plasma-grafting-epoxy treatment JIA Cai-xia(贾彩霞)1, WANG Qian(王乾... Abstract: It was found that air dielectric barrier discharge (DBD) plasma contributed to the grafting of epoxy resin onto continuous PBO fiber surface. This air-plasma-grafting-epoxy method yielded......
. Theoretical and experimental study of the COMFORM metal forming process[J]. Transactions of the ASME, 1979, 101(3): 116-120. [5] LI Ming-dian, SONG Bao-yun. Study of the velocity field and the stress field... 116028, China) Abstract: Based on the research about state of metal in groove, an new Five Zone describing model for continuous extrusion process was established to describe the process, and its......
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Trans. Nonferrous Met. Soc. China 20(2010) s729-s733 Fabrication of AZ31 alloy wire by continuous semisolid extrusion process GUAN Ren-guo(管仁国), ZHAO Zhan-yong(赵占勇), SUN Xiao-ping(孙小平... June 2010 Abstract: A novel technology of continuous semisolid extrusion Process (CSEP) was adopted to produce AZ31 alloy structural materials. Effects of technological conditions......
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Velocity field of melt Figure 3 illustrates the melt velocity vectors obtained from numerical solution, and Fig.4 shows the melt velocity distribution. Obviously, on the top surface, the melt flows...J. Cent. South Univ. Technol. (2011) 18: 1726-1732 DOI: 10.1007/s11771-011-0894-0 Numerical simulation on melt flow with bubble stirring and temperature field in aluminum holding furnace ZHANG......
; 2D FEM analysis for coupled thermo-hydro-mechanical-migratory processes in near field... porous media were extended and improved through introducing the percolation and migration equation, so that the code can be used for solving the temperature field, flow field, stress field and nuclide......
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result was in quantitative agreement with the simulation result. Key words: phase-field method; laminar flow; dendritic growth; computer simulation; solidification; flow velocity 1 Introduction... of cross section area S (S=1×W2) and flow velocity (|U|) is constant number a (a ≥0) for continuous incompressible fluid, we get the form easily:  ......