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Parameters affecting microsegregation in phase-field simulation ZHU Chang-sheng(朱昌盛)1, 2, WANG Zhi-ping(王智平)2, JING Tao(荆 涛)3, XIAO Rong-zhen(肖荣振)2 1. CAD Center, Lanzhou University of Technology... parameter(γ) and the noise amplitude(α) upon microsegregation patterns during the crystal growth was investigated by using the phase-field model which incorporated the concentration field equations......
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......
Phase-field simulation of lamellar growth for a binary eutectic alloy LI Xin-zhong(李新中)1, 2, LIU Dong-mei(刘冬梅)1, SUN Tao(孙 涛)2, SU Yan-qing(苏彦庆)1, GUO Jing-jie(郭景杰)1, FU Heng-zhi(傅恒志)1...; Abstract: Using general multi-phase-field model, detailed microstructures corresponding to different initial lamellar sets were simulated in a binary eutectic alloy......
Phase-field simulation of dendritic sidebranching induced by thermal noise ZHU Chang-sheng(朱昌盛)1, 2, WANG Zhi-ping(王智平)1, JING Tao(荆 涛)3, LIU Bai-cheng(柳百成)3 (1. CAD Center, Lanzhou... is thin, which is advantageous to the growth of the sidebranching and the dendrite presents the morphology of the developed sidebranching. Key words: phase-field method; undercooling; thermal noise......
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Phase-field simulation of phase separation in Ni75AlxV25-x alloy with elastic stress LI Yong-sheng(李永胜), CHEN Zheng(陈 铮), LU Yan-li(卢艳丽), WANG Yong-xin(王永欣) State Key Laboratory... incorporated with the elastic stress was investigated using the microscopic phase-field model. The final morphology of γ′ and θ is similar in spatial alignment, but the volume fraction of γ′ phase increases......
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Numerical simulation of recalescence of 3-dimensional isothermal solidification for binary alloy using phase-field approach ZHU Chang-sheng(朱昌盛)1, 2, XIAO Rong-zhen(肖荣振)2, WANG Zhi-ping... of microsegregation ahead of interface aggravates. At a higher cooling rate, the binary alloy presents recalescence; while the cooling rate is small, no recalescence occurs. Key words: phase-field approach......
Article ID: 1003-6326(2005)03-0529-07 Phase-field simulation of formation of cellular dendrites and fine cellular structures at high growth velocities during directional solidification..., Harbin 15001, China) Abstract: A phase-field model whose free energy of the solidification system derived from the Calphad thermodynamic modeling of phase diagram was used to simulate formation......
Computer simulation for precipitation process of θ (Ni3V) and γ′ (Ni3Al) with microscopic phase-field method HOU Hua(侯 华)1, XU Hong(徐 宏)2, ZHAO Yu-hong(赵宇宏)2 1. College of Materials Science... June 2006 Abstract: With the microscopic phase-field model, the precipitation process of aged alloys was explored by computer simulation, which could clarify some discussional views......