primary crystal
英 [ˈpraɪməri ˈkrɪstl]
美 [ˈpraɪmeri ˈkrɪstl]
网络 初晶; 初凝晶
双语例句
- Through the concept of primary crystal size and testing of primary crystal size and flowability, water demand of high-temperature alumina powder is studied and discussed.
运用原晶粒度的概念并通过对原晶粒度、流动度的检测，对高温氧化铝的需水性进行了研究和探讨。 - Primary creep of single crystal superalloys at intermediate temperature& An important factor of turbine blade extension;
单晶高温合金晶体取向与轴向的偏离已成为单晶叶片的一个重要缺陷。 - It is found that not only the distribution of the primary crystal silicon but the structures and density of silicon framework of eutectic are different because of different magnetic parameters.
结果表明，在不同的磁场条件下，从过共晶合金中析出的初晶硅粒的分布状况和共晶硅的形态和密度有显著不同。 - Study of the Effect of Metallurgical Parameters on Fining Primary Crystal Silicons in Al-24% Si Alloys Used for Pistons
冶金参数对活塞用Al-24%Si基（NZL131）合金初晶硅细化效果的研究 - The primary crystal and the eutectic are not finish.
I段的初晶、共晶结晶都没有完成。 - Effect on Cast iron Eutectic Solidification of Primary Crystal Graphite
初晶石墨对铸铁共晶凝固的影响 - The primary crystal of molten metal is one of the important links in the process of spot and seamwelding joint.
熔核的一次结晶是点缝焊接头形成过程中的重要环节之一。 - The α-Al and the Al_2Cu's growth action and the ability of the eutectic nucleus formation of the primary crystal phase α-Al and Al_2Cu in Al-Cu alloys were investigated by means of Scanning Electron Microscope and X-Ray Diffraction.
研究了Al-Cu合金中-αAl和Al2Cu的生长行为，分析了初生-αAl及初生Al2Cu作为共晶核心形核的能力。 - The results indicate that it is difficult to form the adiabatic shear bands ( SBs) for the primary copper single crystal but it is easy for fatigued copper single crystal deformed at high strain rate.
实验结果表明：原始态铜单晶在高应变率下很难产生绝热剪切带（ASB），而疲劳态铜单晶容易产生绝热剪切带。 - Finally, some suggestions are proposed on the study of the primary faced crystal phases and it is hoped that it could provide the reference for this kind of alloy research and the application.
对合金中初生小晶面相变质处理的研究提出几点建议，为该类合金的研究和应用提供参考。 - The primary crystal size, purity, crystal-phase, morphology, and particle size distribution were tested respectively.
测定了多晶粉体的原始晶粒粒度、纯度、晶相、软团聚颗粒外观形貌、粒度分布等。 - The content and size of the primary crystal Al 3 Fe particles decreases gradually until disappears from outside to inside of the specimens, and changes in gradient.
Al10%Fe合金梯度材料的组织分布为最外层初晶Al3Fe含量最多、尺寸也最大，由外向内，初晶Al3Fe的体积分数及尺寸均逐渐减小，且呈梯度变化。 - The microstructure of PtW alloy is peritectic structure, and primary crystal is dendritic. The crystals are broken after hot working, and they are finer and more uniform after intermediate heat treatment.
显微结构分析表明：PtW合金在铸态时为典型的包晶组织，初生相呈枝晶，热加工后晶粒被破碎，中间热处理后显微组织为细小、均匀的等轴晶。 - Study on primary si-fined crystal of Hypereutectic Al-Si alloy
过共晶铝硅合金细化初晶硅的研究 - In order to investigate the meso-mechanical behavior of crack containing metallic materials under cyclic loading, the primary analysis on crystal cyclic plasticity and stress of crystal grains at mode-ⅰ crack tip for copper material under cyclic tension-tension loading has been carried out.
为探讨含裂纹金属材料在循环载荷下的细观力学行为，采用随机构成的多晶模型对循环载荷下Ⅰ型裂纹裂尖前缘的晶体塑性变形和应力循环进行初步分析。 - The results showed that the graphite deposited during the period of primary and eutectic crystal helped to reduce the contract of liquid state and solidification, to improve the tendency of shrinkage cavity and porosity.
实验结果表明，初晶、共晶期间析出的石墨有助于减少液态收缩与凝固收缩，改善耐热球墨可锻铸铁形成缩孔缩松的倾向。 - This paper describes the preparation of TiO 2 film on Al 2O 3 substrates by the Sol-gel method. The results of XRD analysis show that the TiO 2 film has a poly-crystal structure and its primary crystal is rutile.
本文通过Sol-gel法在Al2O3基片上制得了TiO2纳米薄膜，经XRD分析，薄膜具有多晶结构，其主晶相为金红石。 - Research on primary crystal graphite and shrinkage void tendency of heat-resisting malleable nodular graphite castiron
耐热球墨可锻铸铁的初晶石墨与其缩孔倾向的研究 - Relationship between the primary crystal size and water demand of high-temperature alumina
高温氧化铝原晶粒度与其需水性的关系 - The results show that most of the primary crystal phase Al_2Cu in the hypereutectic structures have obvious corners. Sometimes present rectangle.
结果发现，在过共晶组织中，初生相Al2Cu形貌大部分有明显的拐角，观察其平面有的呈矩形，呈现小面生长特性。 - At the lower primary Si content or lower temperature than critical parameters, the density of the primary crystal silicon is lower than that of the remained Al-Si liquid alloy.
分析表明：当Si含量低于临界含量和析出温度低于临界析出温度时，过共晶Al-Si合金析出的初晶硅密度小于残余合金熔液密度； - The results show that the primary crystal Si particles segregated to the inside of specimens in centrifugal field because the density of Si is smaller than that of Al alloy melt.
结果表明，由于Si的密度比Al液的密度稍低，在离心力场中初晶硅向试样内侧移动。 - Migratory behaviors of primary crystal silicon in hypereutectic Al-Si alloy under high magnetic field
强磁场下过共晶铝硅合金凝固过程中初晶硅的迁移行为 - When the primary Si content is higher than the critical content and the temperature is higher than the critical temperature, the density of the primary crystal silicon is higher than that of the remained liquid alloy.
当Si含量高于临界含量时，在临界温度以上合金析出的初晶硅密度大于合金熔液密度，临界温度以下合金析出的初晶硅密度小于合金熔液密度。 - Formation of Globular Primary Crystal in Semi-Solid Gray Iron
半固态灰铸铁球状初晶的形成 - By adopting model of laser deep penetration welding optimum growth zone of crystal grain in HAZ is forecasted, mathematical model of primary austenite crystal is established, and its computing result matches well with actual result.
利用激光深熔焊接模型预测了热影响区晶粒长大最快的区域，建立了热影响区原奥氏体晶粒长大的数学模型，该模型的计算结果与实测结果吻合。 - Powerful shock wave will break down the primary crystal and the growing dendrite, making them particle crystal. With the stirring of acoustic streaming, particle crystal is dispersed in melt, as is equal to increase the number of external nucleus.
强烈的冲击波会击碎初生晶体，使之成为破碎的晶核，在声流的搅拌作用下，又使其弥散地分布于熔池中，相当于增加了外来核心，因而使晶粒得到细化。 - An effective way to solve such problems is to refine the primary crystal Si phase.
解决该类问题的有效方法是细化初晶硅相。 - The results demonstrate that the branching growth process in solution can be precisely manipulated for the controlled growth of amazingly complex crystalline structures with high geometrical symmetry, which is not reflected in the primary crystal symmetry.
这意味着运用简单的化学合成技术可以准确地控制溶液中的分形生长过程，从而实现具有高度几何对称性的、打破晶体本身微观对称性限制的、令人惊奇的微米级复杂晶体结构的控制生长。 - At present, there are many ways to refine the primary crystal Si phase, for example: Modification of primary crystal Si phase processing, extrusion, using rapid solidification technology.
目前，细化初晶硅相的方法较多，例如：对初晶硅相变质处理、挤压成形、采用快速凝固技术等。