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Microstructure refinement of AZ31 alloy solidified with pulsed magnetic field WANG Bin(汪 彬)1, YANG Yuan-sheng(杨院生)2, SUN Ming-li(孙明礼)1 1. College of Engineering, Zhejiang Normal University... on the solidified microstructure of an AZ31 magnesium alloy were investigated. The experimental results show that the remarkable microstructural refinement is achieved when the pulsed magnetic field......
being nearly 30 cm long and having effectively undergone directional solidification in the presence of electromagnetic stirring. There is a gradient in the microstructure from the outer edge... Trans. Nonferrous Met. Soc. China 20(2010) s774-s780 Experimental studies and phase field modeling of microstructure evolution during solidification with electromagnetic stirring P......
Trans. Nonferrous Met. Soc. China 20(2010) s815-s820 Microstructure evolution behavior of AlSi9Cu3 alloy during rheocasting GUO Hong-min(郭洪民), LIU Xu-bo(刘旭波), YANG Xiang-jie(杨湘杰), ZHANG... and analytical approaches were taken to investigate the non-dendritic microstructure formation and evolution of AlSi9Cu3 alloy during rheocasting. The results show that the globular primary α(Al) particles free......
NUMERICAL INVESTIGATION OF STRAIGHT-LINE LASER FORMING UNDER THE TEMPERATURE GRADIENT MECHANISM Z.Q. Yao1,J. Hu1,H. Shen1,Y.J. Shi1 (1.School of Mechanical and Power Engineering, Shanghai Jiaotong University, Shanghai 200030, China) Abstract:Laser forming is a new flexible and dieless forming technique. To achieve the high accuracy forming, the temperature gradient mechanism (TGM) is studied......
boards,thus may omit traditional roughening treatment; the microstructure of double-rolled copper foils demonstrates an obviously asymmetric gradient feature.From bright surface to matt surface...Copper foils with gradient structure in thickness direction and different roughnesses on two surfaces fabricated by double rollingXi-yong Wang1,Xue-feng Liu1,2,Wen-jiang Zou1,Jian-xin Xie2,31. School......
, the microstructure characteristics and material properties of sample at various depths from the topmost surface were investigated by SEM, TEM, XRD, OM etc. The experimental results show that the gradient... work is to study the grain refinement mechanism involved in SPRB by the microstructure features of gradient nano/micro- structured surface layer on copper at different depths from the top surface......
that the flow assists in the collection of particles at the electrodes under a low pressure gradient,and the negative ER effect will show under a high pressure gradient. By analyzing the relationship curves of the shear stress and the pressure gradient in different relaxation time, it is found that for the same kind of ER suspensions materials, there is an optimal dielectric relaxation frequency......
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