铝硅合金

Features: 1 to the Al-Si eutectic alloy composite added a variety of heat-trace elements and, through orthogonal experimental design and optimize the use of rare earth elements - Modification of phosphorus and salt air brick bottom melting technology, access to the ideal Detroit microstructure - in high intensity, good plastic α-Al matrix on the distribution of the large size of coarse crystal silicon and Chinese characters or fish-bone-shaped iron phase, raising the Pistons at room temperature plastic and high temperature strength, lower raw material costs.

通过向共晶铝硅合金中复合添加多种微量热强元素，并通过正交试验优化成分设计以及采用稀土－磷盐复合变质处理和炉底透气砖熔炼技术，获取理想的活塞金相组织——在强度高、塑性良好的α-Al基体上分布尺寸较粗大的共晶硅和汉字状或鱼骨状铁相，提高活塞室温塑性和高温强度，降低原材料成本。

The invention possesses rapid melting speed with stable deteriorating effect without phosphor, which is new typed industrial crystal aluminum-silicon alloy alterant.

该中间合金在使用过程中无污染，不含磷，熔化速度快，变质效果稳定、长效，制备工艺简单，成本低，是一种新型的工业近共晶铝硅合金变质剂。

Squeeze casting has been used for the shaping of comparatively large sized pistons made of hypereutectic aluminum-silicon alloys(silicon content between 16% to 20%).

采用挤压铸造的方法，作为尺寸较大的过共晶铝硅合金（含硅16％～20％）活塞的成型工艺。

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。

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。

The shape of the solidification segment of a cooling curve can token the features of the Al-7Si alloy melt by combination addition of boron and strontium.

冷却曲线凝固段的整体形状可以表征亚共晶铝硅合金B、Sr联合处理后的熔体状态。

The solidification microstructures of hypoeutectic, eutectic and hypereutectic Al-Si alloys by melt temperature treatment were studied comparatively.

摘 要：对3种典型成分的铝硅合金（Al-20%Si、 Al-12%Si和Al-7%Si）进行了熔体温度处理凝固组织变化规律的比较研究。

The effects of boron and strontium on the solidified structures of hypoeutectic Al-Si alloys by combination addition of boron and strontium have been studied by quantitative metallography and chemical analysis.

采用定量金相、化学分析的方法研究了B、Sr联合处理对亚共晶铝硅合金凝固组织的影响。

The present invention is suitable for aluminum casting requiring high antiwear property and Al-Si alloy with smelted waste material.

本发明适用于要求耐磨性高的铝铸件，以及熔化大量废、旧零件以及切屑的铝硅合金。

In this study,the separating object was iron-rich impurity particles in Al-Si alloy and dynamic experiments had been done to study the effect of magnetic flux density,cross shape of separator channel and circle size of metal melt no separating efficiency.

文中以铝硅合金中的富铁相杂质颗粒为分离对象，利用流动试验研究了磁感应强度、分离通道截面形状和金属熔体回路尺寸对分离效率的影响。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。