Research on grain refining effects and qualities of several refiners;
不同细化剂的质量及细化晶粒效果研究
Investigation the Relationship Between Welding Hot Crack and Grain Size;
焊接热裂纹与母材晶粒粗大的关系讨论
Grain Size Change and Control of 3102 Aluminum Alloy Foils Fin during Casting-rolling Process;
3102合金翅片铝箔铸轧过程的晶粒变化与控制
The property and behavior of twin roll thin strip is greatly affected by three dimension size of columnar and equiaxed crystal grains in the solidification structure of thin strip The growth of crystal grain has three dimension feature during casting process of thin strip, So the token of three dimension size of crystal grain cannot be realized by tradtional token method.
双辊薄带凝固组织中柱状晶粒和等轴晶粒的尺寸大小对薄带的性能和行为有非常重要的影响 ,在薄带铸造过程中由于晶粒的生长具有三维特征 ,采用传统表征方法无法实现对薄带凝固组织中晶粒三维尺寸大小的表征 ,本文运用定量金相和概率论知识 ,在对晶粒形状作出合理假设的基础上 ,建立了双辊薄带凝固组织中柱状晶粒和等轴晶粒三维尺寸的表征表达式 ,实现了柱状晶粒和等轴晶粒三维生长特征的定量描述。
The experimental results show: higher the crystallization degree is and more reasonable the diameter distribution of Ni(OH) 2 particle are, higher the packing density of product is; higher the crystal grain of the particles is, higher the electroch.
研究结果表明，Ｎｉ（ＯＨ）２颗粒的结晶度越高、颗粒的粒径分布越合理，产品的堆积密度越高；Ｎｉ（ＯＨ）２晶体的晶粒越小，产品的电化学活度越高。
Analyzed the 3003 aluminum alloy cast-rolling blank when cold rolling processing causing the thick crystal grain reason.
分析了铸轧法生产的3003铝合金板坯在冷轧中产生粗大晶粒的原因,并通过不同试验工艺方案,就如何避免其晶粒长大找到了具体的措施。
The grain sizes of carbon steel with different finishing rolling temperature have been investigated by EBSD.
利用扫描电镜的EBSD(电子背散射衍射)附件,对大生产不同终轧温度下的碳素钢热连轧板中铁素体的晶粒尺寸,晶粒取向分类等进行研究。
And the effect of temperature and C0 2 partial pressure on thickness and grain size of the scales is studied by using Scanning Electron Microscope(SEM).
结果显示,在试验条件下,3种材料腐蚀产物膜的断面形貌显示出双层结构,表层是晶体规整的 结晶状态,表层与基体之间为类似泥浆状的固体薄层;3种材料在模拟采出液中腐蚀产物膜的厚 度和晶粒大小随着温度的变化情形大致相似,在120℃时均达到了最大,而极小值并不相同;膜 厚和晶粒大小的极大值或极小值所对应的温度3种材料均相同;3种材料的腐蚀产物膜厚度或表 面晶粒大小随CO2分压变化规律大致相近,在CO2分压为6。
The effects of temperature on the scale thickness of corrosion product and crystal average grain size of the corrosion products were analyzed using the scanning electron microscope.
用扫描电子显微镜 (SEM )对比分析了腐蚀产物膜的厚度和表面平均晶粒大小随着温度改变的规律。
A self-made directional solidification furnace was used to fabricate high purity aluminum(HPA) ingots,and the morphology of grains was studied.
采用自制的定向凝固提纯炉定向制备了大直径高纯铝圆锭,并对其定向凝固组织中晶粒的生长状况进行了研究。
The results show that it is rare earth remained in steel that makes the temperature of Ar_1 decline gradually,the temperature of Ms increase,austenite grains become fine and pearlite microstructure quantity increase.
研究了BNbRE钢中残留稀土元素对其相变临界点、退火后珠光体组织及热轧态奥氏体晶粒的影响。
In this paper is given the experimental analysis of aluminum specimen with large grains in measuring using light.
采用光测手段对大晶粒铝试件拉伸时的细观变形场作了较为深入的分析。
The possibility of preparing TiO2 nanometer crystallite by impacting dried gel was searched for.
以钛酸丁脂为原料,将溶胶-凝胶法与冲击波加载手段结合能制备出粒度均匀、晶粒小于50 nm 的纳米TiO2。
The cracking performance of n hexadecane over small crystallite FeZSM 5 was investigated.
结果发现 ,与AlZSM 5相比 ,FeZSM 5分子筛的五碳以上产品的选择性明显提高 ,且随着晶粒粒径的减小而逐渐增大 ;在相同的硅铁比和反应条件下小晶粒FeZSM 5具有更高的裂化活性。
austenite grainsize determination
奥氏体晶粒大小测定法
Study on Grain Refinement for 09CuPTiRE Steel;
09CuPTiRE钢晶粒超细化研究
Avoid larger crystals or a concentration of crystals towards the bottom of the ware.
避免大的结晶粒或密集结晶粒接近坯件底部。
GRAIN BOUNDARY MIGRATION IN RECRYSTALLIZED ARMCO IRON DURING GRAIN GROWTH
α-铁素体晶粒长大过程中的晶界迁移
Studies of Polycrystal Microstructure Evolution by Using Phase Field Method;
用相场法研究多晶中晶粒的演变规律
Analysis of the characteristics of grains and grain boundaries in the non-oriented steel by EBSD
无取向硅钢晶粒与晶界特征的EBSD分析
Simulation of grain growth of AZ31Mg alloy during recrystallization by phase field model
相场法模拟AZ31镁合金再结晶晶粒长大
Influence of FeCo-rich Crystallites on the Magnetic Properties of Amorphous TbFeCo Thin Films
富FeCo晶粒对非晶TbFeCo薄膜磁特性的影响
Phase-field model of dendrite growth of multicomponent alloy with multiple grains
多元合金多晶粒枝晶生长的相场模型
EBSD analyses on grain orientation and grain boundary structure of grain-oriented silicon steel
EBSD研究取向硅钢晶粒取向和晶界结构
The selectivitys for grain size of crystal in process of annealed treatment for the amorphous;
非晶退火晶化过程中晶粒度的可选择性
Effect of Adding Ceramic Particles on Grain Refining in Low-Carbon Microalloy Steel
外加陶瓷颗粒细化低碳微合金钢晶粒
Distribution of Grain Size and Grain Angle in Grain Line Structure of Bi_4Si_3O_(12) Micro-crystals
硅酸铋(Bi_4Si_3O_(12))晶列结构中的晶粒尺寸和晶粒夹角分布
Grain Growth Kinetic of Co Nanocrystalline Prepared by High-Energy Ball Milling;
球磨法制备Co纳米晶晶粒长大动力学研究
Studies on Grain-boundary States in Polysilicon Films FET;
多晶硅薄膜场效应结构的晶粒间界能态分布
Grain Growth and Deformation Mechanism in Nanocrystalline Materials;
纳米晶体材料中晶粒生长及变形机理的研究
A Discussion of the Ways to Estimate the Resistances of the Grain and the Grain Boundary about the Low-voltage Varistor Ceramics;
低压压敏陶瓷晶界、晶粒电阻的估算方法探讨
Effect of abnormally large prior-austenite grains on the presence of surface intergranular cracks
异常粗大的奥氏体晶粒对表面晶间裂纹的影响