查询词典 si-steel

This paper deals with the effect of melt overheating treatment on the microstructure of Al-Si hypereutectic alloy.

过热可使合金的初生硅细化，随过热温度的升高，合金的初生硅尺寸逐渐减小。

ABSTRACT The solidification process and the mechanism of spray formed hypereutectic Al-Si alloys has been investigated in this dissertation.

半固态触变成形是喷射沉积快速凝固材料走向实用的一个重要的发展方向，本文研究喷射沉积高硅铝合金的半固态触变成形的基本规律，揭示喷射沉积高硅。。。

The refinement and modification of microstructure of Al-Si hypereutectic alloy have been received great interest over the past decades.

实验结果发现，对合金熔体进行过热处理不仅能影响合金的形核，而且也能影响其生长。

The experiment results showed that segregation of the primary silicon crystal in hypereutectic Al-18Si alloys was remarkable under a high magnetic field.

实验表明，在稳恒强磁场作用下，过共晶Al-18Si合金中的初生Si发生显著偏聚。

The hypereutectic Al-Si alloy produced by electro-thermal methods was modified with P and RE, then the microstructure and mechanical properties of alloy were analyzed.

中文摘要：对电热法生产铝硅合金配制的Al-20Si合金进行了P-RE复合变质处理，对变质后的微观组织和力学性能进行了分析。

The value of hypereutectic Al-Si alloys is their fine pri-mary silicon particles.

而使高硅铝合金充分发挥实用价值的关键是细化初晶硅。

Hypereutectic Al-Si alloy with the quality of low density, good heat stability and high wear-resistance, is an ideal wear-resistant and heat-resistant material.

中文摘要过共晶铝硅合金具有低密度、良好的热稳定性和高耐磨性，是一种理想的耐磨耐热材料。

Thixoforming properties of spray formed high silicon hypereutectic Al Si alloys were studied.

研究了喷射沉积高硅铝合金在半固态触变成形过程中的规律。

The characteristic of this essay is that we systematically analyzed the preparation of hypereutectic Al-Si alloy with electromagnetic stirring. The results will be applied to fields as structure material with high abrasive wear and tear, which will boost the economics and its development.

在国内属于开创性研究，研究成果将应用于结构材料、高耐磨材料等生产领域，对材料工业、汽车和摩托车从业的发展具有重大的经济意义和推动作用。

Furthermore, the β angle is very close to 108° of the pentagons in the (010) plane of the Cr3 icosahedron.

首次在Al-Cr-Si三元合金系中发现了周期为1.24nm和3.72nm的两种稳定十次准晶。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。