设计了一种金属凝固过程用脉冲电源。
A kind of pulse power supply was designed which USES in the metal solidification process.
强磁场在金属凝固过程中的应用已受到越来越广泛的关注。
The application of high magnetic field in metal solidification process was attracted more and more attention.
相场法可以直接模拟金属凝固过程中枝晶生长的形成过程。
The phase field method can directly simulate the dendrite growth during metal solidification.
夹杂物。金属凝固过程中残留在其内部的杂质或非金属颗粒。
Inclusion. Foreign material or non-metallic particles entrapped within the metal during solidification.
这种结构的角隅正好可以成为液态金属凝固过程中形成支晶的起点。
The corners of the nano-cluster just could become the starting points of the dendrite growth in the solidification processes of liquid metals.
金属凝固过程中加入形核剂是改善金属材料组织和性能的常用方法。
Adding nucleating agents to metal liquid is a common way to improve the structure and mechanical properties in solidification process.
在离心浇铸金属凝固过程中，采用动态效应的方法对以达到细化晶粒的目的。
A method of dynamic action was used during the solidification of the alloy in centrifugal casting.
电磁搅拌技术能够有效地改善铸坯的质量，成为金属凝固过程控制的重要手段之一。
The electromagnetic stirring technology has already been one of the most important methods to control the metal solidification process since it can very effectively improve the slab quality.
金属凝固过程中施加功率超声可以有效地改善铸锭凝固组织，提高材料特性和机械性能。
Treating aluminum melt with power ultrasonic can improve solidification structure and mechanical properties of metals obviously.
介绍了相场方法的两种基本原理，阐述了相场方法在金属凝固过程微观组织形成模拟中的应用情况。
Two principles of the phase field method are introduced, and the application of the phase field method for numerical simulation of solidification microstructure is expatiated.
该研究通过试验模型测量局部加压过程中金属型、铸件和加压杆的温度变化曲线，分析了传热与凝固现象。
The heat transfer and solidification change are analyzed by measuring the temperature change curves of metal mold, casting and pressurized bar in experimental model during local pressurization.
关于液态过渡金属的快速凝固过程，由于其外层电子的复杂性，一直是计算机模拟研究的热点和难点。
The rapid solidification processes of transitional metals have been considered to be a hot and difficult point for computer simulation study due to the complexity of their outer electrons.
利用有限元法研究了连续铸挤工艺中液态金属的动态凝固过程。
The solidification process of liquid metal in the CASTEX technique was studied by FEM (finite element method).
液态挤压复合材料浸渗过程是影响基体金属凝固及纤维均匀分布的重要因素。
The infiltration process in the liquid extrusion of composites is the key factor that influences the solidification of metal matrix and distribution of fibres.
利用温度场数值模拟软件对金属型耐磨铸球的凝固过程进行了数值计算。
Using the developed numerical simulation software of temperature field, the solidification process of wear resisting cast ball in metal mold was numerically simulated.
低碳钢焊缝金属凝固冷却过程存在三个脆性温度区。
There exist three brittle temperature ranges during the course of solidification and cooling process in the weld metal of Low-carbon steel.
研究基于热传输理论的熔融金属从液体转变到固体状态变化过程是铸件凝固研究的重要分支。
Research on that metallic melts transforms from liquid to solid state based on heat transfer theory is an important discipline in casting solidification.
综述了颗粒增强金属基复合材料凝固过程数值模拟在宏观和微观两方面的主要研究进展情况。
Progress in both macro and micro numerical simulations of solidification of particle reinforced metal matrix composites was reviewed.
辊芯熔合界面附近的外层金属先后经历了凝固、熔化、再凝固的过程。
Outer cladding metal nearby the fusion interface of roll mandrel experienced the process of solidification-fusion-re-solidification.
在相场模拟中，通过捕获液态界面，系统研究了过冷对纯金属熔体凝固过程中树枝晶侧向分枝形貌的影响。
The growth process of side-branching of dendrites during solidification of pure Ni melt was studied by the phase-field simulation.
在相场模拟中，通过捕获液态界面，系统研究了过冷对纯金属熔体凝固过程中树枝晶侧向分枝形貌的影响。
The growth process of side-branching of dendrites during solidification of pure Ni melt was studied by the phase-field simulation.
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