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Phase-field simulation of dendritic growth for binary alloys with complicate solution models LI Xin-zhong(李新中), GUO Jing-jie(郭景杰), SU Yan-qing(苏彦庆), WU Shi-ping(吴士平), FU Heng-zhi(傅恒志) (School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 15001, China) Abstract: A phase-field method for simulation of dendritic growth in binary alloys with complicate solution......
Numerical simulation for isothermal dendritic growth of succinonitrile-acetone alloy CHEN Zhi(陈 志)1, CHEN Chang-le(陈长乐)1, HAO Li-mei(郝丽梅)2 1. School of Science, Shaanxi Key Laboratory... and the side branches of crystals appear and grow gradually. Key words: phase field method; succinonitrile-acetone alloy; dendritic growth; tip velocity; anti-trapping current; anisotropy ......
the self-assembly of nanoparticles under the entropy-driven force. 3D dendritic needle-like nanocrystals are prepared through an aqueous solution synthesis regulated by oleic acid molecules. Their growth...) of inorganic materials are particularly attractive since the first report on the dendritic growth by NITTMANN and STANLEY in 1986[16]. This is because fractals are not only theoretically interesting......
Trans. Nonferrous Met. Soc. China 22(2012) 2212-2219 Modeling of equiaxed and columnar dendritic growth of magnesium alloy WU Meng-wu1, 2, XIONG Shou-mei1, 2 1. Department of Mechanical Engineering... Abstract: Based on the cellular automaton (CA) method, a numerical model was developed to simulate the dendritic growth of magnesium alloy with HCP crystal structure. The growth kinetics was calculated......
Engineering, Tsinghua University, Beijing 100084, China) Abstract: The influence of undercooling and noise magnitude on dendritic sidebranching during crystal growth was investigated by simulation of a phase..., dendritic sidebranching during crystal growth is investigated by simulation of a phase-field model which incorporates thermal noise of microscopic origin. Some key problems in modeling and numerical......
Dendritic Growth Pattern and Dendritic Network Distortion in the Platform of a Ni-based SuperalloyXiaoli Zhang,Yizhou Zhou,Yanyun Han,Tao Jin,Xiaofeng SunInstitute of Metal Research, Chinese Academy of Sciences摘 要:The pattern of dendritic growth and distortion of dendritic network in the platform have been investigated by one mold casting with different......
Phase-field simulations of forced flow effect on dendritic growth perpendicular to flow WANG Zhi-ping1, 2, WANG Jun-wei1, ZHU Chang-sheng1, 3, FENG Li1, XIAO Rong-zhen1 1. State Key... melt forced laminar flow at low Reynolds Number on dendritic growth perpendicular to melt flow direction was investigated with the phase-field method by incorporating melt convection and thermal noise......
the performance of castings, a twodimensional cellular automaton model with decentered square algorithm is developed for quantitatively predicting the dendritic growth during solidification process. The growth... compositions to avoid the solution of growth velocity. In order to validate the developed model, quantitative simulations of steady-state dendritic features over a range of undercooling was performed......
A three-dimensional cellular automaton model for simulation of dendritic growth of magnesium alloyMengwu WU 1,2) and Shoumei XIONG 1,2)( 1) Department of Mechanical Engineering, Tsinghua University... on the cellular automaton method for the three-dimensional simulation of dendritic growth of magnesium alloy was developed. The growth kinetics was calculated from the complete solution of the transport......
Study on Dendritic Growth in Pressurized Solidification of Mg–Al Alloy Using Phase Field SimulationHaowei Pan1,Zhiqiang Han1,Baicheng Liu1,21. Key Laboratory for Advanced Materials Processing... University摘 要:A multi-grain phase field model coupled with thermodynamic calculation was adopted to describe the dendritic growth in pressurized solidification of Mg......
