试验分析比较了上述三种铝合金的半固态非枝晶组织特点。
The characteristics of semi solid non dendritic microstructure of the three kinds of aluminum alloy were compared by experimental analysis.
控制生产工艺条件，获得发达等轴枝晶组织，是提高灰铸铁强度性能的重要技术措施之一。
Controling conditions of production process to obtain developed isometric dendrite structure is one of the important measures to increase the strength property of gray iron.
通过磁路半集总参数分析，提出了用旋转永磁体法制备非枝晶组织半固态浆料的磁路设计原则。
A principle of the magnetic circle designing of rotary magnetic method used in making semisolid slurry with non dendritic structure is analysed by the semi lumped factor method.
采用着色腐蚀技术，金相显示了球墨铸铁缩松区中奥氏体枝晶组织形貌，分析了球铁缩松的形成机制。
The morphology of austenite dendrites in shrinkage porosity in nodular iron is displayed by the color etching technique and the formation mechanism of shrinkage porosity has been analyzed.
介绍了镁合金半固态触变成形技术中的三个关键技术：非枝晶组织半固态浆料的制备、坯料的二次加热、半固态触变压铸成形。
This paper introduced the key technology of SSP(semi-soild process) thixomolding of magnesium alloys : the preparation of non-dendritic structure, reheating, thixomolding.
结果表明，激光处理后试样表面熔凝区的组织主要为胞状枝晶组织，经后续热处理可转变为细小的等轴晶粒组织，并形成了良好的超塑连接条件。
The results show that, after laser surface processing, a melt layer with cellular-dendrite structure is formed, which could transform into very fine-grained structure during the annealing treatment.
通过数学模拟计算凝固过程的温度场，进而计算二次枝晶间距是获得合理凝固组织的有效手段。
It's an effective method to obtain reasonable solidification structure by computing temperature field and the secondary dendrite arm spacing using mathematical model.
研究结果表明，锻材断口呈石状、显微组织枝晶特粗大的原因主要是由于锻造加热工艺控制不当造成。
The result shows that due to the reason of unsuitable control of the forging process, the forging fracture is in stone shape and the microstructure is extremely rough.
通过引入异质形核模型、枝晶生长模型、几率形核基底模型，借鉴单元自动生长机制，仿真了等轴晶、柱状晶组织形成的过程。
Based on the cellular automata technique, the heterogeneous nucleation model, dendrite growth model and random nucleation model are used to simulate the formation of equiaxed and columnar dendrite.
凝固组织枝晶生长过程的机理和数值模拟一直是材料领域的研究热点。
Numerical simulation of dendritic growth process is one of the most interested fields in material science.
枝晶显示技术可作为分析和检验球铁组织与性能的另一重要手段。
Therefore the display technique of dendrites is an another importance method used to analyse and test the micro...
枝晶间距是重要的铸态组织参数。
Dendrite arm spacings is one of the important as-cast structural parameters.
对具有不同枝晶间距的CMSX-2单晶高温合金的凝固组织特征及其对热处理组 织和持久性能的影响进行了研究。
The effect of solidified structure characteristics on heat-treated structures and rupture properties was studied in CMSX-2 single crystals with different arm spacing.
实验结果表明，合金的组织随着B加入量的增加变得粗大，当B加入量为0.05%时出现粗大枝晶，0.1%时枝晶进一步长大且出现二次枝晶。
When the B content is 0.05%, the coarse dendrite is found in cast structure of alloy, When B content is up to 0.1%, dendrites grow further and secondary dendrites appear.
实验结果表明，合金的组织随着B加入量的增加变得粗大，当B加入量为0.05%时出现粗大枝晶，0.1%时枝晶进一步长大且出现二次枝晶。
When the B content is 0.05%, the coarse dendrite is found in cast structure of alloy, When B content is up to 0.1%, dendrites grow further and secondary dendrites appear.
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