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Abstract By addition of a reactant with stoichiometric ingredient of Ti and B to molten Al Si alloy,a particulate reinfaced cast TiB 2/Al Si composite by in situ reaction has been achieved. 在铝硅合金熔体中加入Ti和B成理想配比的反应剂，原位生成颗粒增强铸造复合材料TiB2/Al?Si。
It also presents the research trend of cast Al?Si alloy. 对铸造Al?Si合金以后的研究方向提出了看法
E i suoi discepoli gli dicevano: Tu vedi come la folla ti si serra addosso e dici: Chi mi ha toccato? 门徒对他说：“你看，这么多人拥挤你，你还问‘谁摸我’吗？”
The modifying experiments on hypereutectic Al - Si alloy were made by addition of sodium flux and P - Cu alloy. 用磷铜合金和四元钠盐变质剂对过共晶铝硅合金进行了变质处理试验。
Operation process of Al- Si alloy by smelting furnace with soderberg electrode are introduced. 介绍了自焙电极矿热炉生产硅铝合金的方法。
Fe-6.5%Si alloy has excellent soft magnetic properties,and therefore it was a sort of ideal material for iron core of high frequency electromotor. Fe-6.;5%25Si(质量分数)合金具有优异的软磁性能;是高频电机铁芯的理想材料。
Through optimizing the processing parameters, semi solid Al 7%Si alloy cylinders with thixotropic non dentritic structures were successfully produced. 棒料内部组织形貌为具有类圆形轮廓的初生相晶粒浸润在细共晶体中,与传统的凝固枝晶组织有显著差异。
The hardness and wear resistance of Al-16% Si alloy FGM de crease gradually from inside to outside of the specimens, and change in gradient. 在外层一定厚度内，完全不含初晶硅；硬度分布为内层硬度较高，由内向外硬度逐渐减小，呈梯度分布；耐磨性由内向外呈梯度下降趋势。
The results show that addition of titanium can greatly refine the grain size of Al-Mg- Si alloy ingots and extruded profile. 结果表明:添加钛可显著细化铸态和挤压态的晶粒,随著钛含量的增加,晶粒尺寸逐渐变小;
The formation and aggravation of hydrogen damage in Fe-3wt-%Si alloy during cathodic charging were studied by means of Lange transmission X-ray topography. 采用Lange式透射X射线形貌照相法研究了电解充氢导致Fe-3wt-%25Si单晶中氢损伤的规律。
Differential Scanning Calorimetry (DSC) was used to study kinetic charateristics of transformation on quasicrystalline phases in a rapidly solidified Al Fe (Cr, Mo) Si alloy. 利用示差扫描量热仪（DSC）分析方法，研究了快凝Al?Fe?（Cr，Mo）?Si合金中准晶相的转变动力学特征。
The method of determination of silicon in Mn - Si alloy with potassium fluosilicate titration is introduced.On the best test condition,disturbance element is removed. 介绍了用氟硅酸钾滴定法测定硅锰合金中硅的方法,选择确定了最佳实验条件以及干扰的消除。
A partially reinforced Al Si alloy matrix composite piston produced by squeeze casting technique has a firm interface between reinforced and unreinforced... 挤压铸造工艺生产的局部增强铝基复合材料活塞,界面结合可靠、成品率高、工艺兼容性好,作为新型活塞材料,已在我国发动机行业应用并达到批量生产。
The results showed that the wear rate of new Al Sn Si alloys is lower than that of Al 20Sn alloy, and decreases with increase of silicon content. 结果表明：新型合金的磨损率低于不含硅的Al?20Sn合金的磨损率，并且随硅含量的增加而减小。
Refining effect of boron on the hypoeutectic Al Si alloys and pure aluminum has been studied with SEM and XRD. 利用DSC，SEM 和X 射线衍射等手段，分析了硼对纯铝及亚共晶Al?Si 合金的细化作用。
The modifying elements used in hypoeutectic Al Si alloys,besides Na,there are also Sr,Te,Ba,Sb,K,RE,B,S,etc. 亚共晶铝硅合金的变质元素除钠以外,还有锶、碲、钡、锑、钾、稀土、硼、硫等。其中,应用较多的是含钠和锶的变质剂。
Based on Al Cu Fe and Al Fe V Si alloys, the Al Fe Cu V Si Ni Ce Zr alloy has been prepared by the optimization design of chemical compositions. 以Al?Cu?Fe 和Al?Fe?V?Si 两个合金系为基础，对合金成分进行了优化设计，组成了Al?Fe?Cu?V?Si?Ni?Ce?Zr 合金。
The good effect has been gained on the hypereutectic Al Si alloys treated with some double refining and modifying agents such as P,S,RE,Sr,Na,C,etc. 采用磷、硫、稀土、锶、钠、碳等进行双重细化变质处理过共晶铝硅合金已取得了良好的效果。
SEM morphologies of wearing surface showed that wear behaviour of new Al Sn Si alloys is mainly metallic wear, and that of Al Sn alloy consists of metallic and fatigue wear. 磨损面的SEM分析表明：新型铝锡硅合金的磨损行为主要是磨粒磨损，而不含硅的Al?20Sn两相合金则为磨粒磨损及疲劳磨损。
Alumina or aluminosilicate fibers reinforced Al Si alloy matrix composite have more excellent synthetical properties at elevated temperature than the matrix alloys. 氧化铝或硅酸铝短纤维增强铝基复合材料比基体材料有更优异的高温综合性能。