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hypereutectic adj.【物理學】高級低共溶體的。

hypereutectoid

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 試驗結果表明:過共晶鋁硅合金經變質處理后組織中初晶硅的大小、形狀和分布狀況對切削刀具壽命和合金的切削加工表面質量影響極大,具有細小、分散而形狀圓鈍化初晶硅的合金有比較好的切削性能。

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 為分析過共晶鋁硅合金組織對其切削加工性能的影響,對兩種化學成分相同但是組織結構不同的過共晶鋁硅合金進行了切削試驗研究并探討了其切削機理。

Hypereutectic al - si alloys are known to be suitable for wear - resistance material because of its low density , high tensile properties and low coefficient of thermal expansion 高硅鋁合金的耐磨性好,強度高,密度低,熱膨脹系數小。

The microstructure of as - deposit hypereutectic ai - si - cu - mg alloy is composed of particulate - shaped si particle and equiaxed grain a - al and few interstices 多層噴射沉積高硅鋁合金的顯微組織由- al基體,初晶硅及孔隙組成。

Effects of elevated content of mn and fein hypereutectic al - si alloy on tensile strength of an alloy 高錳鐵含量過共晶鋁硅合金的力學性能

The approaches to ameliorate morphologies of primary silicon in hypereutectic al - si alloys 高硅鋁合金中初晶硅形態控制研究進展

Effect of ca on the morphology and distribution of iron - rich phase of hypereutectic al - 5 fe alloy 合金富鐵相形態和分布的影響

Hot extrusion process of rapidly solidified hypereutectic aluminum - silicon alloy powder 快速凝固高硅鋁合金粉末的熱擠壓過程

Effects of manganese content in hypereutectic al - si alloy on properties of alloy 過共晶鋁硅合金中錳含量對合金性能的影響

A green and permanent modificant for hypereutectic al - si alloys 一種過共晶鋁硅合金的綠色長效變質劑

Effects of b on the eutectic solidification of hypereutectic al - si alloy 合金共晶凝固過程的影響

Study on modification agent for hypereutectic al - si alloy refinement 中間合金變質效果的促進作用