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- columnar grain structure 柱晶组织
- The surface of the sag has columnar grain and there is no chilled layer. 某低碳非调质钢的连铸方坯表面纵裂伴有凹陷,凹陷表面是柱状晶,未发现激冷层。
- PQ &AQ are excellent with PIP, Heavy film grain structure,buyable for 5 stars. 音画质量一流，电影般画质，颗粒感强，收藏5星。
- The results show that pulse electric current can refine solidification macrostructure of the metal, and macrostructure is transformed from bulky columnar grain to fine equiaxed grain. 实验结果表明:脉冲电流能够细化金属的凝固组织,使粗大柱状晶变成细小等轴晶。
- The improved grain structure also results in shinier solder joints than traditional lead-free alloy alternatives. 改善后的颗粒结构还能够让焊锡结合点的光洁度明显优于传统的无铅合金替代品。
- Oak is a hard, light to medium gray-brown, tough, short fibred wood with a distinctive grain structure. 橡木是一种坚硬的，浅到中等灰棕色，坚韧，短纤维带与众不同的纹理结构的木材。
- This paper deals with the function of oxygen in Ti(CN) film prepared by PCVD. With the oxygen the structure of Ti(CNO) films is of fine grains instead of the columnar grains of TiN. 研究了Ti（CN）薄膜内氧的作用，研究结果表明，Ti（CN）薄膜内加入氧后可以消除薄膜的柱状晶结构，薄膜的断面呈致密的纤维状组织。
- Pre-deformation prior to overaging remarkably refine and spheroidize the grain structure of AA2195 Al-Li alloy. 过时效前的轧制预变形明显细化并等轴化AA2195 铝锂合金的晶粒。
- Isothermal normalization can improve or eliminate the banded structure and duplex grain structure in forging blanks. 结果表明,零件毛坯等温正火可以获得比普通正火更细的晶粒、更均匀的金相组织、更小的硬度散差。
- The resulting solder joints have demonstrated improvements in grain structure and have shown a marked increase in reliability. 得到的焊点的晶粒结构得以改善,焊点的可靠性得到了显著提高。
- It is found that by a thermo-mechanical treatment under severe undercooling, an ultra-fine and gradient grain structure can be obtained. 同时采用具有自主知识产权的深过冷热机械处理获得梯度细晶显微组织,认为通过轧制形变前的深过冷进一步降低形变温度是获得超细晶粒的关键。
- For the ferritic types, the pearlite proportion within the grain structure of the metallic base material shall not exceed 10 %. 对于以铁酸盐为主要成分的类型，金属材料的颗粒结构中，珠光体含量不得超过10%25。
- Hardening is a process of heating and cooling steel to increase its hardness nd tensile strength, to reduce its ductility, and to obtain a fine grain structure. 硬化是将钢加热后冷却,以提高其硬度、抗拉强度,降低其延展性,以得到细晶粒钢结构。
- The GBE model for simulation of grain structures in welding pool is introduced. 介绍了焊接熔池组织模拟的GBE模型。
- Electromagnetic stirring promotes the coarse and oriented columnar grains and the dendrites transforming into the equiaxed grains through increasing heterogeneous nuclei in weld metal ... 电磁搅拌通过增加焊缝中非均质形核核心,降低固液前沿液相的温度梯度,促进粗大柱状晶和枝晶转变为细小等轴晶,提高焊缝金属的强度和塑性。
- The experiments results shows through adjust the die working length,control extrusion temperature and speed,which can valid reduce coarse grain structure. 结果表明,通过调整模具工作带长度、控制挤压温度和挤压速度,可以减少粗晶组织的产生。
- Stochastic parameter sensitivity of SRM grain structure was analyzed based on viscoelastic stochastic finite element method(VSFEM) and polynomial regression model. 基于粘弹性随机有限元法(VSFEM)和多项式回归模型,分析了固体火箭发动机药柱结构的随机参数灵敏度。
- H. T. G. Hentzell, C. R. M. Grovenor, and D. A. Smith, “Grain Structure Variation with Temperature for Evaporated Metal Films”, J. Vac. Sci. Technol., A2, 218-219 (1984). 汪裕闵，磁控溅镀氮化锆薄膜特性研究，硕士论文，国立成功大学材料科学研究所，(2001
- T. Mukai, M. Yamanoi, H. Watanabe, and K. Higashi, “Ductility Enhancement in AZ31 Magnesium Alloy by Controlling Its Grain Structure”, Scripta Materialia, 45 (2001), p. 89. 黄建超，黄志青，何扭今，“AZ31镁合金之管材挤型成型研发与超塑性研究”，中国材料科学学会论文集，2003。
- Study on Abrasion Resistance of the Columnar Grain Zone in High Cr Cast Iron 铸态高铬铸铁柱状晶粒区耐磨性研究
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