Influence of Damper-cooling on Near-liquidus Suction Casting AZ91 Alloy

Zhang Xiaoli1 Xie Shuisheng2 Li Tingju1 Yang Haoqiang Jin Junze1

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Influence of Damper-cooling on Near-liquidus Suction Casting AZ91 Alloy
- role： First author 第一作者
- Affiliation：
  School of Materials Science and Engineering,Dalian University of Technology
Zhang Xiaoli1 Xie Shuisheng2 Li Tingju1 Yang Haoqiang Jin Junze1
1 ,
- Affiliation：
  Beijing General Research Institute for Non-ferrous Metals
谢水生
2 ,
- Affiliation：
  School of Materials Science and Engineering,Dalian University of Technology
李廷举
1 ,
- Affiliation：
  Beijing General Research Institute for Non-ferrous Metals
杨浩强
2 ,
- Affiliation：
  School of Materials Science and Engineering,Dalian University of Technology
金俊泽
1
Issue S1, Pages: 130-132(2007)
Published： 2007 ，
DOI：

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[1]张小立,谢水生,李廷举,杨浩强,金俊泽.阻尼冷却作用对负压吸铸镁合金铸件的影响[J].特种铸造及有色合金,2007(S1):130-132.

Zhang Xiaoli1 Xie Shuisheng2 Li Tingju1 Yang Haoqiang Jin Junze1. Influence of Damper-cooling on Near-liquidus Suction Casting AZ91 Alloy. [J]. Special Casting & Nonferrous Alloys (S1):130-132(2007)
[1]张小立,谢水生,李廷举,杨浩强,金俊泽.阻尼冷却作用对负压吸铸镁合金铸件的影响[J].特种铸造及有色合金,2007(S1):130-132. DOI：

Zhang Xiaoli1 Xie Shuisheng2 Li Tingju1 Yang Haoqiang Jin Junze1. Influence of Damper-cooling on Near-liquidus Suction Casting AZ91 Alloy. [J]. Special Casting & Nonferrous Alloys (S1):130-132(2007) DOI：

Abstract

In order to semisolid processing alloy directly from liquid metal,a damper-cooling tube was applied in near-liquidus suction casting AZ91 magnesium alloy in this investigation.Castings showed a good surface quality and integral structure in comparison with that of castings without using a damper-cooling tube.The reason for this was that semisolid slurry was produced due to damper-cooling effect,which is supported by the microstructure consisting of fine primary α-Mg particles and eutectic mixture.However,the content of precipitate phase is more than that of castings formed without a damper cooling tube.

transl

Keywords

Damper-cooling; Suction Casting; Semisolid; Magnesium Alloy

transl

摘要

试验研究在负压吸铸低过热度镁合金熔体工艺中

施加阻尼冷却作用对成形铸件的影响。由于阻尼冷却作用

流动的合金熔体中产生细小的初生α（Mg）相

充入型腔时以半固态浆料的形式注入

半固态浆料具有的触变性能使得流动前端以圆钝的封闭形式充型

因此得到表面质量高

内部结构密实的铸件。阻尼冷却管作用下得到的铸件微观结构由初生相和共晶混合物组成

但是析出相β-Mg17Al12的含量高于没有阻尼冷却作用下得到的铸件。

Abstract

In order to semisolid processing alloy directly from liquid metal

a damper-cooling tube was applied in near-liquidus suction casting AZ91 magnesium alloy in this investigation.Castings showed a good surface quality and integral structure in comparison with that of castings without using a damper-cooling tube.The reason for this was that semisolid slurry was produced due to damper-cooling effect

which is supported by the microstructure consisting of fine primary α-Mg particles and eutectic mixture.However

the content of precipitate phase is more than that of castings formed without a damper cooling tube.

关键词

阻尼冷却作用负压吸铸半固态镁合金

Keywords

Damper-coolingSuction CastingSemisolidMagnesium Alloy

references

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Research on the Effect and its Mechanism of Disturbing Condition in Semisolid State on Microstructure of AZ91 Magnesium Alloy

Corrosion Resistance of AZ91D Magnesium Alloy under Different Treatment Processes

Investigation on Pneumatic Quantitive Conveying of Liquid Magnesium

Effects of Zr on Microstructure and Mechanical Properties of As-extruded Mg-12Gd-4Y-1Zn Magnesium Alloy

Bending Behavior of AZ31 Magnesium Alloy Plate

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