Microsegregation相关论文
Revealing the influence of high magnetic field on the solute distribution during directional solidif
The effect of the high magnetic field (MF) on the distribution of solute concentration during directional solidification......
研究了B和Y对Ti45Al8Nb0.2W0.25Cr (at％)合金的微观结构、微观偏析和拉伸行为的影响.结果 表明,高铌TiA1合金中的β相稳定元素促进......
研究了Mn含量在0.09％～0.35％(质量分数)范围内变化对K417G高温合金的高温持久性能的影响,并且探究了Mn的存在形式和分布情况.结果表明,......
The microsegregation behavior of the Al-4.5 wt％Cu alloy solidified at different cooling rates under the alternating magne......
利用激光快速熔凝技术对DD2单晶合金在超高温度梯度和快速凝固条件下的组织形态和元素的微观偏析行为进行了研究。实验结果表明激......
Numerical simulation of microstructure evolution and microsegregation of U-Nb alloy during solidific
在这个工作，一个细胞的自动机模型被开发了在团结过程期间模仿 U-Nb 合金的微观结构进化。优先的生长取向，在液体和固体的溶质再分配......
Effect of melting rate on microsegregation and primary MC carbides in M2 high-speed steel during ele
Large-size primary MC carbides can significantly reduce the performance of M2 high-speed steel. To better control the mo......
Revisiting dynamics and models of microsegregation during polycrystalline solidification of binary a
Microsegregation formed during solidification is of great importance to material properties.The conventional Lever rule ......
This paper applies a phase field model for polycrystalline solidification in binary alloys to simulate the formation and......
The evolution of microstructures during the solidification of 20SiMn steel was investigated. The dominant role of coa-le......
Effect of titanium and rare earth microalloying on microsegregation, eutectic carbides of M2 high sp
The effects of RE and Ti microalloying during electroslag remelting (ESR) process on the micro-segregation and morpholog......
Homogenization treatment of high Nb containing TiAl alloys with as-cast and as-forged microstructure
The effect of heat treatment on the microsructure evolution of a high Nb containing TiAl alloy has been studied.The resu......
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Microstructure and microsegregation of directionally solidified Ti-45Al-8Nb alloy with different sol
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γ-TiAl alloys,including two categories(the conventional TiAl and the high Nb-containing TiAl(high Nb-TiAl)),are technol......
Numerical simulation of microstructure evolution and microsegregation of U-Nb alloy during solidific
In this work, a cellular automaton model has been developed to simulate the microstructure evolution of U-Nb alloy durin......
A Coupled Thermodynamic Model for Prediction of Inclusions Precipitation during Solidification of He
A coupled thermodynamic model of inclusions precipitation both in liquid and solid phase and microsegregation of solute ......
The position of the solidification completed temperature of twin roll stainless strip casting process is very important ......
选取Al-4.29Cu-1.09Mg合金,采用石墨型、砂型、保温材料等3种铸型进行了凝固试验,采用扫描电镜、能谱分析等手段研究了不同冷速铸......
Formation and Thermal Stability of Large Precipitates and Oxides in Titanium and Niobium Microalloye
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Numerical Simulation of Morphology and Microsegregation Evolution during Solidification of Al-Si All
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Microstructure evolution and mechanical properties of homogenizing treated fully lamellar Ti-46Al-0.
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Nature of large (Ti, Nb)(C, N) particles precipitated during the solidification of Ti, Nb HSLA steel
To investigate the microsegregation phenomena and complex (Ti, Nb)(C, N) precipitation behavior during continuous castin......
Homogenization treatment of high Nb containing TiAl alloys with as-cast and as-forged microstructure
The effect of heat treatment on the microsructure evolution of a high Nb containing TiAl alloy has been studied.The resu......
The microstructure and composition of the residual liquid at different temperatures were investigated by scanning electr......
A numerical model Alloy/M has been applied to investigate the microsegregation in Al-4.45 wt pct Cu alloy. The calculate......
Influence of coupling with calculation of phase diagrams on microsegregation forming simulation of A
The effect of coupling with calculation of phase diagrams on microsegregation forming simulation was investigated. The t......
Modified cellular automaton model for modeling of microstructure and microsegregation in solidificat
A modified cellular automaton (MCA) model has been extended to the ternary alloy system by coupling thermodynamic and ph......
Numerical simulation of recalescence of 3-dimensional isothermal solidification for binary alloy usi
A accelerated arithmetic algorithm of the dynamic computing regions was designed, and 3-dimensional numerical simulation......
In the modeling of microsegregation, the partition coefficient is usually calculated using data from the equilibrium pha......
Phase-field model was employed to quantitatively study the effect of convection on pattern selection and growth rate of ......
Numerical Simulation of Morphology and Microsegregation Evolution during Solidification of Al-Si All
A stochastic model coupled with transient calculations for the distributions of temperature, solute and velocity during ......
研究显微偏析数值模拟中的微观模型和数值方法,在微观模型中考虑了树枝晶粗化、固相溶质逆扩散、枝晶尖端过冷、随温度变化的溶质......
用扫描电镜和电子探针研究了低碳锰钢中的周期性带状组织，结果表明，在全部研究用钢中，钢锭经热轧后均出现这种组织，其严重程度随钢的成......
利用SEM和EDS研究了在冷速分别为1，3和6K·min^-1时高温合金IN718的凝固组织、液体中Nb和Mo含量变化，并计算了液体密度差和相对R......
ＳＯＬＩＤＩＦＩＣＡＴＩＯＮＡＮＤＭＩＣＲＯＳＥＧＲＥＧＡＴＩＯＮＢＥＨＡＶＩＯＲＳＯＦＮＩＣＫＥＬＢＡＳＥＳＩＮＧＬＥＣＲＹＳＴＡＬＳＵＰＥＲＡＬＬＯＹＳＯＬＩＤＩＦＩＥＤＡＴＭＥＤＩＵＭＣＯＯＬＩＮＧＲＡＴＥ①ＤｕＷｅｉ，ＬｉＪｉａｎｇｕｏａｎ.........
本文利用高梯度定向凝固设备研究了镍基高温合金在中等凝固速率条件下枝晶组织和偏析变化的基本规律，实验发现采用高梯度定向凝固技......
利用最新研制的超高梯度定向凝固装置,研究了钴基高温合金的成分偏析及机械性能的变化,实验结果表明:其机械性能有较大提高,试样拉......
A numerical model Alloy/M has been applied to investigate the microsegregation in Al-4.45 wt pct Cu alloy. The calculate......
Numerical Simulation of Microstructure and Microsegregation in Ni-Cu Alloy under Isothermal Conditio
没有明确地追踪复杂阶段边界，阶段地方法能被用来描述树突生长的复杂形态学。树突生长上的起始的温度和起始的集中的影响被使用联合......
论述了在显微偏析数值模拟研究中宏/微观模型的耦合数值方法和显微偏析模型与相图计算耦合的数值方法.宏/微观模型以潜热的处理为......
基于典型微观控制单元体（通常指二次枝晶臂间距半长）内的溶质质量守恒关系，建立了适用于枝品凝固方式的二元共晶／包晶合金微观偏析半解......
凝固过程微观数值模拟是目前材料学科研究的一个热点,其中显微偏析数值模拟具有重要的指导意义,国内在此研究方向上尚处于起步阶段......
微观偏析数值模拟是材料成形过程数值模拟研究的一个重要分支.论述了微观偏析数值模拟研究的重要性和研究进展,分析了晶粒域微观偏......
根据钢液凝固时元素的固-液界面的偏析，并结合溶质元素在固、液相中的有限扩散，建立了钢液凝固过程中微观偏析和钛氧夹杂生成的耦合......
提出一个改进的计算固相分数的模型，利用该模型及元胞自动机方法根据相图计算将固／液界面区域内固相分数表示为一个一元二次方程，不需......
通过对Al-4.5%Cu合金铸锭显微偏析形成的数值模拟,研究了凝固路径对凝固后铸锭不同位置处显微偏析参数的影响.在显微偏析模型中考......
以AZ91D合金为例，模拟研究镁合金凝固时的溶质分布情况，着重定量分析过冷度ΔT对枝晶尖端前沿最高溶质浓度、枝晶干轴对称中心溶质浓......
The microstructure and composition of the residual liquid at different temperatures were investigated by scanning electr......
Nature of large （Ti, Nb）（C, N） particles precipitated during the solidification of Ti, Nb HSLA steel
To investigate the microsegregation phenomena and complex (Ti, Nb)(C, N) precipitation behavior during continuous castin......
