Research on As-Cast Microstructures and Properties of 3004 Aluminum-Manganese Alloy

左秀荣; 李广钦; 倪培相; 李贞明; 黄晓辉

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Research on As-Cast Microstructures and Properties of 3004 Aluminum-Manganese Alloy

更新时间：2026-09-14

- Research on As-Cast Microstructures and Properties of 3004 Aluminum-Manganese Alloy
- 3004铝锰合金铸态组织及性能研究
- Vol. 32, Issue 4, Pages: 523-528(2011)
- 作者机构：
  
  郑州大学物理工程学院材料物理教育部重点实验室
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2011
- 稿件说明：
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左秀荣, 李广钦, 倪培相, et al. Research on As-Cast Microstructures and Properties of 3004 Aluminum-Manganese Alloy[J]. 2011, 32(4): 523-528.
DOI：

左秀荣, 李广钦, 倪培相, et al. Research on As-Cast Microstructures and Properties of 3004 Aluminum-Manganese Alloy[J]. 2011, 32(4): 523-528. DOI：

摘要

采用SEM

EDS

TEM等试验方法研究了3004铝锰合金的铸态组织及性能.结果表明:细晶铝锭用于熔炼3004铝锰合金时

其铸态综合力学性能与A l-5Ti-1B中间合金、Al-10Ti中间合金细化的试样差别不大.3004铝锰合金在未均匀化时

其析出相为粗大的骨骼状共晶组织;均匀化后析出相在一定程度上球化

且晶内析出细小弥散的析出相

同时粗大的M g2S i也溶于铝基体中

这均使均匀化后的合金塑性提高.3004铝锰合金中骨骼状析出相、块状析出相、条状或针状析出相含有较高的Fe

Si元素

析出相中没有M g的偏聚

镁在合金中分布均匀.

Abstract

The as-cast microstructures of 3004 aluminum alloys were studied with the aid of SEM

EDS and TEM

etc.The results show that the mechanical properties of 3004 aluminum alloys adding Ti with grain-refining aluminum ingots(GRAI)

Al-5Ti-1B and Al-10Ti master alloys are almost the same.3004 aluminum alloys in as-cast state show skeleton-like eutectic structure.After the homogenization process

precipitated phases spheroidize to some extent

and fine disperse phases appear in grains

at the same time

the coarse Mg2Si phases dissolve in α(Al).The results of EDS analysis indicate that the acicular

skeleton-like

blocky

banding-like precipitate phases contain higher Fe

Mn and Si

but no Mg segregation.Homogeneous distributions of Mg are observed in the matrix.

关键词

Keywords

references

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