The Al-si Alloy modified by tellurium is an ideal material for making high gastight castings.
经碲变质处理的铝硅合金是制造高气密性铸件的理想材料。
Through microscopic observation and calculation of fractal dimension the seal coating failure of Al-Si.
通过微观观察及分形维数计算结果分析聚苯酯铝硅封严涂层失效原因。
Based on the greenness idea, the greenization planning on the hypoeutectic cast Al-Si alloy is provided.
根据绿色化思想，对铸造亚共晶铝硅合金进行了绿色化规划探讨。
Morphology transformation of eutectic silicon in Al-Si alloy during solid solution was observed by OM and SEM.
通过金相和扫描电镜观察研究了铸造铝硅合金中的共晶硅在固溶热处理过程中的形态变化。
The preparation of hypoeutectic Al-Si alloy billets for semisolid forming by low temperature casting was studied .
研究了低温铸造法制备亚共晶铝硅合金半固态成形用坯料。
The removing iron process by natural deposition of eutectic Al-Si alloys produced by carbothermal reduction was studied.
对碳电热还原法生产的共晶铝硅合金加锰自然沉降法除铁进行了研究。
The primary silicon particles precipitating from the solidification of Al-Si hypereutectic alloy was regarded as inclusions.
将铝硅过共晶合金凝固过程中析出的初生硅颗粒视为夹杂物颗粒。
The coarse Al-Si alloy produced by carbon thermal reduction of aluminous ore includes 55% aluminum, 25% silicon and some impurities.
由电热还原法制取的一次铝硅合金含有铝55%，硅25%和一些杂质。
The influence of side-introduced power ultrasonic treatment on the solidification characterization of ZL102 Al-Si alloy was discussed.
研究了功率超声处理对ZL102铝硅合金凝固特性的影响。
The results have shown that heat treatment can improve the microstructure of the Al-Si base composite manufactured under case condition.
实验结果表明，热处理能改善铸态下制得的铝硅基复合材料显微组织形态。
The results show that graphite with good corrosion resistance can protect the heat-exchange tube from the corrosion of molten Al-Si alloy.
结果表明，石墨良好的抗腐蚀性将保护换热管不受熔融铝-硅合金的腐蚀。
The oxidation kinetics curve was drawn. The surface morphology and cross section micrograph of the Al-Si coating were studied by using SEM.
绘制了氧化动力学曲线，用带能谱分析的扫描电镜观察了涂层的表面氧化形貌和横截面组织形貌。
Modification mechanism and existing form of Sb and Mg in Al-Si alloy were studied by using optical microscope and scanning electron microscope.
采用金相和扫描电镜分析研究了锑、镁在铝硅合金中的存在形式和变质机制。
The porosity of porous Al-Si alloy is 40~80% and percentage of open-cell is above 85%, bom of which vary with the fabrication process of preform.
孔隙率在40～80%，孔隙连通率在85%以上，孔隙的大小和孔隙率取决于预制块的制备工艺。
There are a great many of Al-Si alloy grades at present., for example, 11 grades in China, 14 grades in USA, 16 grades in Russian, 11 grades in Japan.
现有的铝硅合金牌号过多，以铸造亚共晶铝硅合金为例，中国至少有11种牌号，美国有14种，俄罗斯有16种，日本有11种。
The result indicated that: 1. P-RE combination modification can modify both the eutectic Si and primary Si of the hypereutectic Al-Si alloy at the same time.
研究结果表明：1. P - RE复合变质对过共晶铝硅合金的初晶硅和共晶硅都具有良好的变质和细化作用。
It reviews the optimization measures of Al-Si piston alloy, including kinds, chemical composition, grain refinement, modification, alloying and heat treatment.
评述了铝硅活塞合金的种类，化学成分，晶粒细化，变质处理，合金化和热处理工艺等优化手段。
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.
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。
On the two materials, Al-Si alloy has greater platform stress and long platform region, the overall compression performance of Al-Si alloy is better than pure Al.
对上述两种材质而言，铝硅合金平台应力值较大，且平台区域较长，铝硅合金的压缩性能整体高于纯铝。
This paper introduces the design of hardware and software of a thermal-analysis meter for measuring Al-Si alloy modification effect, and discusses its application.
介绍了测量铝硅合金变质处理效果用热分析仪的硬件、软件设计及实际应用。
Hypereutectic Al-Si alloy which has small proportion, low coefficient of thermal expansion, good wear resistance and dimensional stability is an ideal piston material.
过共晶铝硅合金比重小、热膨胀系数低、耐磨性和体积稳定性好，是理想的活塞材料。
A kind of polishing agent PPG-1 with cost-effective and high performance suitable for Al-Si alloy products was developed based on spiral vibration polishing processing.
针对铝硅合金制品的螺旋振动抛光工艺进行了研究，开发了一种成本低廉、性能良好的新型抛光剂PPG - 1。
The purification effect of Al-Si melt by composite refining technique was studied, the main existing form and its interaction of inclusion and gas in Al-Si melt were introduced.
研究了复合精炼对铝硅合金熔体的净化效果，并介绍了铝硅合金熔体中主要氧化夹杂物与气体的存在形态及其相互作用。
The Molecular Interaction Volume Model(MIVM) is introduced for the prediction and fitting of the activities of liquid alloys Ni-Mg-Cu, Ni-Al-Si and Ni-Cu-Co in the ternary systems.
应用分子相互作用体积模型对二元和三元液态合金的组元活度进行预测及拟合，计算结果与实验数据吻合较好。
This paper presents the application of modification technology in production of Al-Si alloys cast with Sr and puts emphasis on the characteristics of modification technology with Sr.
阐述了锶变质工艺在生产铝硅合金铸件中的应用，着重讨论了锶变质的工艺特点。
Study has proved that ceramic shell making by Al-Si system refractory materials with main crystal of Mollite or Kaolinite will be the ideal choice for investment casting ductile iron.
研究表明，以莫来石或高岭石为主晶相的铝硅系耐火材料是精铸球铁件的理想选择。
The worn layer of Al-Si alloy where only wear debris are going to delaminate is composed of composite layer, deformed layer and undeformed parent material from the surface to the inside.
即将发生粒子剥落的铝硅合金磨损表面区域，由表及里为复合层、变形层相未变形母体材料。
The porosity and thickness affect markedly on the sound absorption property of Al-Si closed-cell aluminum foam: the sound absorption coefficient increases along with increasing porosity;
铝硅闭孔泡沫铝的孔隙率和厚度对其吸声性能影响显著：吸声系数随孔隙率增加而增加；
The results of analysis show that wty the silicon separatas out as a preliminary phase, and why the Al-Si alloys have their own pseudoeutectic structures are all for thermodynamical reasons.
分析结果表明，共晶结晶时硅之所以成为先析出相，铝硅合金之所以存在伪共晶，都有其热力学原因。
Using this technology, the smelting process of Al-Si alloy may be simplified. The technology reduces the overall cost which the Al-Si alloy is smelted while reducing loses and saving energy.
采用该工艺后，可减少一次铝硅合金的熔炼过程，在降低烧损、节省能源的同时，降低了铝硅合金熔炼的总体成本。
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