共搜索到26581条信息,每页显示10条信息,共2659页。用时:0小时0分0秒578毫秒
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... structure of dendrite and a lower interfacial composition. Key words: phase-field method; simulation; dendritic growth CLC number: TG248; TG244 Document code: A 1 INTRODUCTION The formation......
of metal products. Recently, phase-field method is very powerful in simulation of dendritic growth, and it is becoming one of the important ways to achieve the industrial prediction of the solidification... of advanced microstructure simulation method were solved, and the phase-field parameters such as noise amplitude, interface kinetic coefficient, anisotropy parameter and surface energy was discussed. 2......
; 1 Introduction In the last decade, the phase-field method has been widely used to simulate microstructure evolution... alloys [J]. Phys Rev A, 1992, 45: 7424-7439. [2] WARREN J A, BOETTINGER W J. Prediction of dendritic growth and microsegregation patterns in a binary alloy using the phase-field method [J]. Acta Metall......
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...]. Physica D, 1993, 63: 410-423. [8]Li Q, Beckermann C. Evolution of the sidebranch structure in free dendritic growth[J]. Acta Mater, 1999, 47(8): 2345-2356. [9]Karma A, Rappel W J. Phase field method......
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......
of computer simulation, it will be possible to predict the mechanical and physical properties of metal products. Recently, phase-field method is very powerful in simulation of dendritic growth, and is becoming... the solidification, and pointed out the recalescence of alloy solidification. But due to the enormous computing amount of phase-field simulation, little research has been conducted by 3D phase-field method......
CLC number: TG248; TG244 Document code: A 1 INTRODUCTION Over the last ten years the phase field method has been... alloy during directional solidification was investigated at high growth velocities using the phase-field method. The liquid-solid transition of L→β was chosen. In present simulation, a phase-field......
Computer simulation of γ′ and θ phase precipitation of Ni-Al-V alloy using microscopic phase-field method LI Yong-sheng(李永胜), CHEN Zheng(陈 铮),WANG Yong-xin(王永欣), Lu Yan-li(卢艳丽) (School... alloy systems. Molecular dynamics[1], Monte Carlo[2] and phase-field method[3, 4]have been widely used on microscopic morphological studying of alloys. Khachaturyan proposed the microscopic lattice......
are neglected in the model. 2 Microscopic phase-field model Microscopic phase-field kinetics model[15-16] was quickly developed as a new method of material simulation in recent years. Microcosmic... Microscopic phase-field modeling of atomic anti-site behaviors in precipitation progress of Ni3(AlFe) LIANG Min-jie(梁敏洁)1, 2, LIAO Hai-hong(廖海洪)2, DING Wen-jiang(丁文江)1, CHEN Zheng(陈 铮)3 1. School......
alloy systems based on the phase field method [J]. Mater Sci Eng A, 2001, A312(1): 38-49. [2] LU Yan-li, CHEN Zheng, LI Yong-sheng, WANG Yong-xin. Microscopic phase-field simulation coupled... of the incubation time of nucleation using the microsopic phase-field method [J]. J Cent South Univ Technol, 2005, 12(6): 1719-1729. [5] ORLIKOWSKI D, SAGUI C. Large-scale simulations of phase separation......