| 1. | Qualitative evaluation of molten al - si alloys by thermal analysis
过共晶铝硅合金细化变质剂的研究 |
| 2. | A green and permanent modificant for hypereutectic al - si alloys
一种过共晶铝硅合金的绿色长效变质剂 |
| 3. | Effects of manganese content in hypereutectic al - si alloy on properties of alloy
过共晶铝硅合金中锰含量对合金性能的影响 |
| 4. | Effects of elevated content of mn and fein hypereutectic al - si alloy on tensile strength of an alloy
高锰铁含量过共晶铝硅合金的力学性能 |
| 5. | 2 . the room temperature tensile strength of alloy made by mlsd relate to the extrusion temperature and the extrusion reduction ratio , with high temperature and reduction ratio , the tensile strength becomes low
二、多层喷射沉积过共晶a1 - si合金的室温强度与挤压温度和挤压比有关，挤压温度越高，合金的强度会降低。 |
| 6. | 4 . under the directional solidification , either sub - or hyper - eutectic alloys , with the increase of growth rate , the lst dendritic arm spacing decreases and 2st dendritic arm spacing is restrained to some extent
4定向凝固条件下，随着凝固速率的增加，无论亚共晶合金或过共晶合金，一次枝晶间距减小，二次枝晶生长得到不同程度的抑制。 |
| 7. | In order to analyze the effect of structure of hypereutectic al - si alloy on its machinability , the cutting test to two hypereutectic al - si alloys which have the same chemical composition but different structures is made and their cutting mechanism is studied
为分析过共晶铝硅合金组织对其切削加工性能的影响，对两种化学成分相同但是组织结构不同的过共晶铝硅合金进行了切削试验研究并探讨了其切削机理。 |
| 8. | Because of the effect of sip porous skeleton , the primary si and the eutectic si were separated on the surface of sip porous skeleton under slow cooling conditions , and there were no typical eutectic microstructures in the al - alloys phase of the composites . 6
处于si相颗粒间隙的过共晶al - si合金液在缓慢冷却凝固时，初晶si和共晶si会附着在si多孔体骨架上析出，在最终的复合材料中没有典型的al - si共晶组织。 |
| 9. | The results show that , after transformation the size , shape and distribution of primary silicon in hypereutectic al - si alloy have a serious effect on the tool life and the machined surface quality of the alloy , the alloy whose primary silicon is fine , spread and dull angular has a better machinability
试验结果表明：过共晶铝硅合金经变质处理后组织中初晶硅的大小、形状和分布状况对切削刀具寿命和合金的切削加工表面质量影响极大，具有细小、分散而形状圆钝化初晶硅的合金有比较好的切削性能。 |
