查询词典 eutectic

The results show that eutectic Al9FeNi phase can be fractured under different deforming conditions, but the primary Al9 FeNi phase is only partly deformed greatly.

结果表明，在不同条件下的高温变形均可使针状共晶l9FeNi相碎化，而对初晶l9FeNi相，只有在较大变形量下才能碎化；在热变形温度为400℃，应变速率为1 s-1，变形量为60％的热模拟实验条件下，不仅共晶l9FeNi相得到明显破碎，而且初晶l9FeNi相也得到一定程度的破碎。

Position of the eutectic liquidus valley curve in these three basic systems was determined simultaneously.

本文同时对上述三个基本体系中共晶液相面谷底线的位置作了标定。

The spherical cores are made of high-melting temparature copper, and the attachment layers are made of a low-melting temperature eutectic.

球状核由高熔化温度的铜制成，接合层由低熔化温度的共晶体制成。

But the particles reinforce mechanism caused by mullite has been damaged because of the low-melting eutectic of grain boundary.

但其晶界存在低共熔现象，特别是MoSi〓／Mullite低共熔现象严重，并使颗粒增韧机制受到破坏。

Their mesogenic temperature ranges cover from 78 to 110 degrees. The milting points of compound 19a and 19b are 43.9 ℃ and 74.8 ℃ respectively while their clearing temperatures are 92 ℃ and 112 ℃. Their mesogenic temperature ranges cover from 36 to 57 degrees. They are suitable for formulating eutectic mixture and for the applications in PDLC, reflective liquid crystal display, and IR modulator.

第三系列同样以2，3-邻二氟苯二炔基二苯基为主体，但相对碳链长度和前一系列相反，将邻二氟苯二炔基端的碳数固定为6，二苯基端碳数分别为2与3，合成出向列型液晶化合物19a与19b，观察到熔点与澄清点温度均较前一系列化合物低，熔点温度下降约20~30oC，澄清点温度下降约50~70 oC，液晶相温度范围约36~57 oC之间，期望能应用在PDLC，反射式液晶显示器，及红外光调节器上。

Preferred combinations of carbon equivalent, sulfur content and mischmetal additions were identified to produce cast irons of fine eutectic cell s...

确定了碳当量、硫量和混合稀土加入量的合适配合，以期获得细小共晶团和A型石墨的灰铸铁。

Experimental results show that within certain ranges of concentration both Mg and mischmetal have proper modificating effect on the eutectic structure when added separately.

结果表明，在一定含量范围内，单独加镁或稀土，对共晶硅都有一定的变质作用，当镁与稀土按一定配比同时加入时，其变质能力急剧增强。

The results show that the composite is dense and silicon particles are distributed uniformly. Transmission electron microscope observations show that stacking faults with high density, twins and dislocations are found in silicon particles. The Si-Al interfaces are well-bonded and no interface reactants are found. The dislocations and eutectic silicon precipitates are observed in LD11 matrix. Sip/LD11 composite has low density of 2.4 g/cm3, low coefficient of thermal expansion of 8.1×10-6/K, high thermal conductivity of 161.3 W/, and the annealing treatment can reduce the CTE and improve the thermal conductivity.

研究结果表明：复合材料组织致密，颗粒分布均匀；透射电镜观察发现，在Si颗粒内部存在高密度的层错，同时还存在孪晶和位错； Si-Al界面结合状况良好，无界面反应物； LD11铝合金中存在位错和析出的共晶Si；复合材料具有低密度(2.4 g/cm3)，低热膨胀系数(8.1×10-6/K)，高热导率161.3 W/(m·K的特性，可以通过退火处理进一步降低其热膨胀系数，提高热导率。

The friction and wear experiments results show that sticking wear takes place during the friction procedure, which results in the poor wear-resisting property of ternary eutectic alloys, due to the low quantity of hard particle of primary phase SnSb; the wear-resisting property of rapidly-solidified Pb-15wt%Sn-15wt%Sb ternary hypereutectic alloys is better than that of as cast ternary hypereutectic alloys.

摩擦磨损实验结果表明，由于三元共晶合金中作为硬质点的初生相SnSb的数量很少，所以在摩擦过程中发生了粘着磨损，导致合金耐磨性能较差；而Pb-15wt%Sn-15wt%Sb三元过共晶合金快速凝固合金的耐磨性能比普通铸态合金的耐磨性能好。

Self-fluxing Fe-Cr-Ni-B-Si alloy prowders are laser clad on medium carbon steel substrate of dimensions 80×35×10mm〓. The investigation results of this clad layer are: micro-defects, micro-cavity and occluded forin substance, are the micro-cracks and crack resourses in clad layer; crack of coating propagates along the boundary of two kinds of eutectic sutructure; The included angle θ between the cracking direction and laser scanning direction in multitrack overlapping clad is smaller than that in one-track clad because of crack propagating along crystalline growth direction and crystalline direction in overlapping zone being different from it in one-track clad.

在调质态的45〓钢表面，采用预置粉末法进行FeCrNiBSi合金的多道搭接激光熔覆，对其熔覆层进行分析表明：多道搭接激光熔覆层裂纹扩展方向与激光扫描方向间的夹角θ与单道熔覆时相比明显变小，前者θ0°，后者θ角基本都为90°，这主要是因为多道搭接时，搭接区结晶方向发生了变化以及裂纹沿结晶方向扩展所致；激光熔覆层裂纹大多是以覆层与基材交界面的孔洞、熔覆层内不同方向共晶团间的显微缩孔、夹杂物的边界等三种显微缺陷作为裂纹源，并沿低熔点物相形成元素偏析造成弱化膜的共晶团界面扩展延伸。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。