烧结过程中WC晶粒形状变得规则化。
基于简化的晶粒形状,建立了模拟晶粒生长形貌的二维数学物理模型。
On the basis of the simplified grain shape, the physical model and mathematical model for the simplified dendrite shape were established.
结果表明,晶相组成与分布、晶粒形状与尺寸、气孔及玻璃相是影响铝质电瓷材料强度的主要因素。
The results showed that the main crystal phase texture and distribution, the grain shape and size, pore and glass phase is the main factor that affect the mechanical strength of the material.
组织分离完成之后,晶粒的尺寸和形状系数随时间逐渐增大。
After the structure separation completed, the grain size and shape factor increased with the increase of the heating time.
根据动态再结晶晶粒生长速度和与其相邻基元形状确定转变概率。
The transformation probability for the neighborhood sites of a recrystallization grain is dependent on the growth velocity and the cell shape.
试验结果表明,此种孕育剂对细化晶粒、改变碳化物组成及形状、提高性能有显著的效果。
The experimental results have indicated that inoculation has significant effect upon soundess of white cast iron, refine grain, Change ingredient and shape of carbides and improve its properties.
介绍了铜基形状记忆合金的晶粒细化方法及机理,论述了晶粒细化对铜基形状记忆合金力学性能和记忆性能的影响。
The ways and the mechanisms of grain refinement in Cu-Base shape memory alloys are especially described. The effect of grain refinement on mechanical and memorial properties are discussed.
在图形显示模块中,实现了模拟区域几何形状、格点热循环曲线、格点选择概率及晶粒尺寸分布的可视化。
In the drawing module of graph, geometric figure of simulated domain, thermal circulation curve and selection probability of each site and grain size distribution are visual.
金属的铸造、塑性成形、热处理等过程会使晶粒的尺寸大小、取向分布、形状等发生一定的变化,产生不同的微结构。
During the casting, plastic forming, and hot processing, the sizes, orientation distributions, and boundary structures of the crystallites change and produce various microstructures.
结果表明:经固溶处理的焊缝和热影响区,晶内奥氏体析出变少,晶粒尺寸变小,同时奥氏体的形状由长条状变为圆状。
The results show that the precipitated austenite crystals of welded joint after solid solution treatment are fewer, the grains are smaller. And the shape of austenite changes from strip to roundness.
结果表明,浇注温度对晶粒平均尺寸和平均形状因子影响最大,斜管角度次之,立管转速对其影响最小;
The results show that the pouring temperature has the largest effect on the average size and shape factor of the grains, and then the angle of inclined pipe, the rotating speed of straight pipe.
研究这些合金的晶粒细化和超塑性能,对采用超塑性等温锻造方法制造复杂形状航空锻件具有重要意义。
Therefore, it is of great significance to research the superplastic properties of these alloys for using superplastic isothermal forging to manufacture complex aviatic forge pieces.
通过研究定量金相技术为半固态微观组织的固相率,晶粒大小,晶粒尺寸分布和形状分布的图像处理提供了理论依据和计算方法。
The paper has provided theoretical basis and computation method of the four measuring items of microstructure for digital image processing by studying quantitative metallography.
电渣熔铸中的工艺参数决定金属熔池的形状和微观晶粒的尺寸及取向,并最终影响熔铸钢锭的质量。
The technological parameters determine the metal pool profile and the microstructure's size and tropism in the electroslag casting process, which affects the quality of ingot casting.
电渣熔铸中的工艺参数决定金属熔池的形状和微观晶粒的尺寸及取向,并最终影响熔铸钢锭的质量。
The technological parameters determine the metal pool profile and the microstructure's size and tropism in the electroslag casting process, which affects the quality of ingot casting.
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