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1)  columnar crystal spacing
柱状晶间距
1.
6%Cu Alloy in the process of solidification by using the directional solidification mean, in order to observe the effect of different impulse electric field voltages and the cooling velocities on the columnar crystal spacing.
运用定向凝固方法 ,在凝固过程中将脉冲电场平行地作用于Al 5 6%Cu合金柱状晶的生长方向上 ,考察了不同脉冲电场电压及冷却速度对柱状晶间距的影响。
2.
Theoretical relationship equation between electric current density at the solid--liquid interface and columnar crystal spacing during continuous unidirectional solidification has been derived on the basis of M-S theory.
以 M—S理论为基础,导出了在定向凝固过程中电流通过固液界面的情况下,电流密度与柱状晶间距的理论关系式。
2)  columnar grain
柱状晶
1.
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
2.
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。
3.
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。
3)  Columnar crystal
柱状晶
1.
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
2.
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。
3.
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。
4)  Columnar crystals
柱状晶
1.
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
2.
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。
3.
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。
5)  rod-like grains
柱状晶
1.
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。
2.
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。
6)  columnar grain Al
柱状晶Al
补充资料:辉锑矿长柱状晶体


辉锑矿长柱状晶体


  ------一-一-一翻黯!辉锑矿长柱状晶体
  
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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