columnar grain是什么意思

网络释义

用法例句

Steel Billets without Columnar Grain in Continuous Casting-Semisolid Continuous Casting;

无柱状晶钢坯的连铸技术——半固态连铸

Directional recrystallization can be used to produce single crystals or columnar grain structure,which can show enhanced creep properties,improved low-cycle fatigue resistance and/or improve crack-stopping behavior.

用定向再结晶技术可以制备单晶或柱状晶结构。

Cu-Al-Ni wires with columnar grain structure fab- ricated by heated mold continuous casting process were con- ducted bending fatigue and tensile fatigue tests to study the behavior of grain boundaries in fatigue process.

用热型连铸法制取具有柱状晶组织的Cu-Al-Ni合金丝,进行弯曲疲劳和拉伸疲劳试验,研究晶界在疲劳过程中的行为。

Distribution of the growth orientation of Ni-Ti alloy columnar crystal;

Ni-Ti合金中基体柱状晶的取向分布规律

The results showed that pure copper plates of 25mm in width and 5mm in thickness with luminant surface and columnar crystals can be continuously and stably fabricated under the conditions of melting temperature 1160℃,drawing speed .

结果表明:当熔体温度1160℃、下拉速度70mm/min、冷却水量900L/h时,可以连续稳定成形宽25mm、厚5mm且表面光亮、具有连续柱状晶组织的纯铜板材,其抗拉强度为146MPa,屈服强度为33MPa,延伸率为54%,电导率为105。

But for the copper formed of more thin wire, there are all columnar crystal a.

而多股细铜导线火烧和二次短路及过负荷产生的熔珠熔痕,其显微结构中均出现等轴晶和柱状晶及较小再结晶颗粒,与一次短路结构较难以区别,因此无法为火灾原因的鉴定提供依据。

Compact processing of containing CuAlNi alloy pipes with continuous columnar crystals;

连续柱状晶组织CuAlNi合金管材的短流程制备

The results showed that the proper amount of additions of Na2O-MgO can obviously promote the formationβ-Al2O3columnar crystals,raise its aspect ratio,and increase the flexural strength and fracture toughness.

结果表明:在实验的添加剂量范围内,适量的添加剂能促使β苁-Al2O3柱状晶的形成,长径比增大,其强度和断裂韧性增加。

The results show that when nucleation temperature is lower than the temperature of endothermic peak of DTA curve, the columnar crystals grow in unidirectional direction from border to inner of the sample.

结果表明 :核化温度低于差热分析 (DTA)曲线吸热峰温度时 ,样品边界存在明显的从表面向中部定向生长的柱状晶组织 ,而样品中部是方向各异的树枝晶形态。

Al_2O_3/Al ceramics with rod-like grains were prepared by precipitation method and pressureless sintering and using Al(NO_3)_3·9H_2O, ammonia and nanosize aluminum as raw materials.

以Al(NO3)3·9H2O、氨水和纳米铝粉为原料,采用液相沉淀包裹法和常压烧结制备出柱状晶结构Al2O3/Al陶瓷材料。

SiC ceramics with rod-like grains were obtained by pressureless sintering of β-SiC powders with Y2O3and Al2O3 as additives.

实验采用β-SiC为起始原料，Y2O3、A12O3为烧结助剂，通过适当的烧结控制，获得了具有长柱状晶粒结构的α－SiC陶瓷，材料以液相烧结机制密化，在烧结过程中发生了与柱状晶形成有关的SiC晶粒3C→4H相变。

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

Microstructure of Deformation and Recrystallization of Nickel Single Crystal and Columnar Grain Crystal during Cold Drawing and Rolling;

镍单晶和柱状晶的冷拔和冷轧形变组织及再结晶研究

The results indicated that the microstructure of the transition layer is a structure of fine columnar crystal-cystiform dentrite-dentrite.

结果表明,梯度过渡层的组织形态为细小的柱状晶-胞状树枝晶-树枝状晶。

Study on In-Situ Growth Elongated Grains Cooperating with 3Y-TZP to Toughen Alumina Ceramics;

原位生长柱状晶复相增韧氧化铝陶瓷的研究

Research on Mechanism and Preparation for in Situ Columnar Crystal Toughened Al_2O_3 Ceramic;

原位生长柱状晶复合增韧氧化铝陶瓷制备方法及机理研究

ZnO-Bi_2O_3(Er)Series Sub-micron Columnar Crystals and the Varistor Performance

Er掺杂ZnO-Bi_2O_3系亚微米柱状晶体及其压敏电阻性能

Beryl crystals occurring in nature are mostly prismatic, tabular ones are rarely observed.

自然界中绿柱石晶体多为柱状,具板状晶形的绿柱石非常少见。

Molecular Design、Synthesis of Triphenylene Discotic Liquid Crystals and Anchorage of Columnar Mesophase;

苯并菲盘状液晶的分子设计、合成及柱状相锚定

THE MINERALOGICAL CHARACTERISTICS OF HEXAGONAL PYRAMID BERYL FOR DACALASU GRANITE-PEGMATITE IN ALTAY,XINJIANG

新疆大卡拉苏花岗伟晶岩锥状绿柱石矿物特征

Growth and Research of the Strip-shape Diamond Using Crystal-seed Method under HPHT

晶种法柱状金刚石的高温高压生长与研究

Simulation of columnar dendrite grain growth in weld pool of Ni-Cr binary alloy

Ni-Cr二元合金焊接熔池中柱状枝晶生长模拟

The Influence of the Aspect Ratio to the Light Scattering Properties of Cylinder Ice Particles

取向比对圆柱状冰晶粒子光散射特性的影响

Double-prismlike ZnO microcrystals:microwave synthesis and photocatalytic activity

联柱状ZnO微晶的微波合成及其光催化活性

Orientation of PE Chains in the Cylinder-Forming PVCH-PE-PVCH Triblock Copolymer

PVCH-PE-PVCH中PE片晶链轴在柱状微区中的取向

Fabrication of Poly-Si Thin Films with Columnar Grains Structure Grown on Cu-coated Glass Substrates

镀铜玻璃衬底上柱状多晶硅薄膜的制备

Snow crystals grow in one of two designs ? platelike and columnar.

雪晶是按照两种形状中的一种??板状和圆柱形形成的。

The macroreticular resin to adsorb leucomycin( LM) as the better method to replace the solvent extraction method was designed.

用大孔网状树脂吸附法代替溶媒萃取法,分离纯化柱晶白霉素。

The Preparation of Liquid Crystal Light Valve with nc-Si/a-Si:H Column Composite Photoconductor;

nc-Si/a-Si:H柱状结构复合光导层液晶光阀的制备研究