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- The influence of the disturbing and anisotropy on dendrite growth has been investigated. 研究了噪声和各向异性等参数对晶粒形貌的影响。
- In this paper, free dendrite growth behaviors in undercooled melts are simulated using phase-field method. 通过自适应有限元法求解相场模型,对过冷熔体中自由枝晶生长行为进行了数值模拟。
- The dendrite growth in the undercooled melt of pure has been simulated by the phase-field method. 摘要简介了相场方法,利用相场法对纯铝进行了数值模拟。
- The simulation results indicate that the phase-field method accords with the physical mechanism of dendrite growth. 表明相场方法符合枝晶生长的物理机制。
- The rapid dendrite growth of multicomponent alloys is an important research subject in the field of materials science. 多元合金的深过冷与快速枝晶生长是材料科学领域的重要研究课题。
- The whole process of the dendrite growth in PGO melt crystal growth was visualized in the in situ observation system. 本文介绍了用实时观察方法研究水溶液中晶体生长长机制的实验。
- The calculated results showed that the disturbing could accelerate the grow of the secondary arms and the anisotropy was important to the dendrite growth. 计算结果表明:噪声的加入会促进二次枝晶的生长;各向异性系数对枝晶的生长有重要作用。
- The directional growth under different undercooling was analyzed on the foundation of free dendrite growth theories (LKT/BCT). 并采用过冷熔体枝晶生长(BCT)模型对不同过冷度下出现的定向生长行为进行了分析。
- The phase-field model coupled with the concentration field was used to simulate microstructural dendrite growth of the alloy Fe-0.5%C-0.02%P(mole fraction). 基于KKS模型;采用相场和溶质场两场耦合的方法;对Fe-0.;5%25C-0
- This paper is to build mathematic model of aluminum solidification microstructure simulation by the phase field method and study the influence of disturbing on dendrite growth. 对研究铝金属微观组织模拟相场法技术的数学模型及扰动对枝晶生长的影响进行了研究;
- Dendrite growth has been simulated with the phase field method and finite difference schemes on a two dimensional rectangular domain with a uniform square mesh. 相场方法不需要跟踪固液界面,因此在模拟枝晶生长方面有独特的优势。
- The dendrite growth direction is changed and dendrites are curved in the zone of white band. 白亮带处的枝晶生长方向改变而生成弯曲的枝晶。
- Numerical simulation of dendritic growth process is one of the most interested fields in material science. 凝固组织枝晶生长过程的机理和数值模拟一直是材料领域的研究热点。
- Vigorous convection during the rapid dendritic growth, to aid the dendrite breakup, transfer the newly formed grains throughout the melt, and homogenize the temperature of the melt. 在晶枝的快速形成期间,剧烈的对流有助于晶枝分裂,将新形成的颗粒传递到整个熔融金属,使熔融金属的温度均匀。
- The main impediment to growth is a lack of capital. 影响发展的主要障碍是缺乏资本。
- He has been an unsung hero of the country's economic growth. 他是使这个国家经济成长的无名英雄。
- The phase-field method is very powerful in simulation of dendritic growth, the widely appeal of this approach is free of tracking the interface of solid-liqiud. 相场方法不需要跟踪固液界面,因此在模拟枝晶生长方面有独特的优势。
- Lack of food may stunt the growth. 缺乏食物可能妨碍发育。
- Childhood is a period of rapid growth. 幼年是生长迅速的时期。
- Dendrite Growth Model in Bulk Undercooled Alloy Melt 极端非平衡条件下过冷熔体枝晶生长模型