Effects of Refining Temperature on The Morphology of Iron Phase in Hypereutectic Al-5Fe Alloy

Li Rongde Ma Jianchao Zhou Zhenping

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Effects of Refining Temperature on The Morphology of Iron Phase in Hypereutectic Al-5Fe Alloy
Issue 3, Pages: 24-26(2004)
Published： 2004 ，
DOI：

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[1]李荣德,马建超,周振平.精炼温度对过共晶Al-5Fe合金中富铁相形貌的影响[J].特种铸造及有色合金,2004(03):24-26+74.

Li Rongde Ma Jianchao Zhou Zhenping. Effects of Refining Temperature on The Morphology of Iron Phase in Hypereutectic Al-5Fe Alloy. [J]. Special Casting & Nonferrous Alloys (3):24-26(2004)
[1]李荣德,马建超,周振平.精炼温度对过共晶Al-5Fe合金中富铁相形貌的影响[J].特种铸造及有色合金,2004(03):24-26+74. DOI：

Li Rongde Ma Jianchao Zhou Zhenping. Effects of Refining Temperature on The Morphology of Iron Phase in Hypereutectic Al-5Fe Alloy. [J]. Special Casting & Nonferrous Alloys (3):24-26(2004) DOI：

摘要

研究了在不同温度下C2 Cl6精炼对过共晶Al 5Fe合金中富铁相形貌的影响。结果表明

在较高的精炼温度下

合金中富铁相形态由长针片状转变为花朵状或颗粒状

且在 95 0℃精炼时得到基本上为细小颗粒状均匀分布的组织

合金抗拉强度也有了明显改善。并对精炼工艺对合金组织的改善作用进行了分析。

Abstract

The refining effects on the morphology of iron phase in hypereutectic Al-5Fe alloy with C

at different temperatures were investigated. The results showed that the morphology of iron phase transformed from the long-needle-like into the flower-like or the particle-like at higher temperatures

furthemore

the uniform distribution of microstructure with mainly refined particle can be obtained at 950 ℃.The tensile strength of the alloy can be improved obviously. The effect of refining process on improvement in the microstructure was analyzed also.