简述了再结晶过程中晶粒长大的相变驱动力。
The drive force of phase change for HgCdTe growth during recrystallization is briefly described.
结果表明:裂纹是热处理不当造成晶粒长大所致。
The results showed that the reasons of crack was of grain growth caused by improper heat treatment.
新型晶粒长大抑制剂A可以更有效地阻碍晶粒长大;
The new grain growth inhibitor A was proved to inhibit grain growth more effectively.
因此如何控制烧结过程中晶粒长大成为亟需解决的问题。
It's necessary to study how to control the growth of grain size during the sintering process.
晶粒长大过程都遵循指数关系,其时间常数均小于0.5。
All the grain growth processes follow the exponential relationship, and the time constants are all less than 0.5.
这类共晶组织在合金的铸造过程中起抑制晶粒长大的作用。
The eutectic played a role in inhibiting grain growth during casting.
临界变形区晶粒长大的最初驱动力是晶界两侧的畸变能差。
The primary driving force of coarse grain formation in the critical deformation region is the energy difference of distortion between both sides of grain boundaries.
稀土铝箔的再结晶经历了回复、再结晶和晶粒长大三个过程。
The rare earth aluminum foil recrystallization has experienced three processes:recovery, recrystallization, and the crystal growth.
退火以后,发现材料的晶粒长大,材料的冲击韧性与延性提高。
After annealing coarse grain structure was observed and the impact ductility and the elongation of materials increased.
再结晶和晶粒长大过程是制作金属材料最重要的物理冶金过程之一。
Recrystallization and grain growth process is one of the most important physical metallurgical processes to produce metal materials.
该算例说明了蒙特卡罗方法在模拟晶粒长大方面的直观性和有效性。
It is demonstrated by the worked example that Monte Carlo method is simple and effective in simulating grain growth.
探讨了单相合金高温形变再结晶后连续冷却条件下正常晶粒长大问题。
The normal grain growth during continuous cooling was studied in a single-phase material after recrystallizing.
而相场法作为一种模拟晶粒长大的有效方法,是目前国内外研究的热点。
Nowsday, phase field model is a heated topic at home and abroad as an effect method in numerical simulation of grain growth.
由于渗碳体阻碍晶粒长大,所以随碳含量的增加,钢的再结晶温度升高。
The cementite phase in steels increases the recrystallization temperature and abstracts the grain growth.
讨论了高能晶界理论、高迁移率晶界理论、表面气氛等对高斯晶粒长大的贡献。
The effects of grain boundaries with high energy or high mobility and surface atmosphere on the growth of Goss grains are discussed.
晶粒长大到微米尺度时,变形机制主要是位错协调的晶界滑移和位错滑移塑性。
The main deformation mechanisms are dislocation accommodated grain boundary sliding and dislocation slip plasticity when the grains grow to micro size.
研究了热处理温度和保温时间对GH4169合金晶粒长大规律和硬度的影响。
The effects of solid-solution temperature and holding time on the grain growth and hardness of GH4169 superalloy were investigated.
烧结早期WC晶粒长大是在晶粒旋转合并机制与局部液相烧结机制共同作用下完成。
And WC grains are grown up based on the grain rotation combination mechanism and local liquid-phase sintering in the early stages of sintering.
研究了一种新型晶粒长大抑制剂对纳米硬质合金真空烧结行为的影响,探讨了其影响机理。
Study is made of the effects and effecting mechanisms of a new type of grain growth inhibitor on vacuum sintering behavior of nanometer cemented carbide.
应用晶粒长大理论建立材料降解的理论模型,实现了生物材料降解仿真算法以及过程模拟。
By applying crystals' growth theory to construct material degradation model, we realize the algorithm and process simulation on biological material degradation.
晶粒长大、晶界面积减少以及镀层表面生成较厚的、致密的氧化膜是耐蚀性提高的主要原因。
The main cause of better corrosion resistance was due to growth of granules, decrease of grain boundary area, and formation of thick and compact oxidation film on the coating surface.
试样经奥氏体区高温处理后,铈的添加细化含锡钢的奥氏体晶粒,并且使晶粒长大趋势变慢。
During the austenitizing treatment process of heated, adding cerium into steel contained tin could make grain size small, and moreover, it could make the trend of grain size growing up slow.
多晶体材料中晶粒尺寸的增大,对大多数材料来说,晶粒长大只在升高温度加热的时候发生。
The increase in average grain size of a polycrystalline material; for most materials, an elevated-temperature heat treatment is necessary.
变形温度高则回复快,晶体缺陷消失速度快,不利于晶粒的细化,甚至还会出现晶粒长大现象。
This adversely affects the ability of ECAP to refine grains as it depends on accumulated dislocations and other defects to form ultrafine grains.
该方法避免了传统的退火法在晶化温度以上晶粒长大这一缺点,成功制备出晶粒极细小的纳米材料。
The method overcomes the shortcoming of grain growing above the initial crystallization temperature in annealing method, successfully preparing nano-crystalline material of very small grain .
研究了低碳钢、普通市售x65钢和高洁净度X65钢三种超细晶粒钢焊接haz的晶粒长大倾向。
In this paper, the grain growth in the HAZ of three kinds of ultra - fine grain steels such as low carbon steel, commercial X65 steel and high purity X65 steel were evaluated.
预测了HAZ中晶粒的分布,以及不同的热输入对HAZ晶粒长大的影响和HAZ中晶粒长大的热钉扎效应。
The grain distribution and heat pining of grain growth in the welding HAZ. Different influence were predicted by different heat input.
结果表明在行星球磨方法下,球磨15到20小时材料晶粒达到最小,在一定温度下退火之后材料晶粒长大。
The grain size differs obviously with the time of ball milling and it reaches the smallest value when been ball milled for 15~20 hours. The grain size also grows when annealed at certain temperature.
结果表明,细小弥散的第二相粒子能有效地阻碍焊接热影响区粗晶区的原奥氏体晶粒长大,改善该区域的韧性。
The results show that the dispersed second phase particles can effectively retard the growth of austenite grain in the CGHAZ, and improve the toughness.
结果表明,细小弥散的第二相粒子能有效地阻碍焊接热影响区粗晶区的原奥氏体晶粒长大,改善该区域的韧性。
The results show that the dispersed second phase particles can effectively retard the growth of austenite grain in the CGHAZ, and improve the toughness.
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