Effects of Processing Parameters on the Microstructure of Semi-solid Slurry Prepared by Melt Spreading and Mixing Method

Zeng Yidan1; Shi Likai1; Zhang Zhifeng1; Liang Bo1; Xu Jun1

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Effects of Processing Parameters on the Microstructure of Semi-solid Slurry Prepared by Melt Spreading and Mixing Method
- role： First author 第一作者
- Affiliation：
  National Engineering Research Center for Non-ferrous Metal Composites,General Research for Non-ferrous Metals,Beijing,China
Zeng Yidan1
1 ,
- Affiliation：
  National Engineering Research Center for Non-ferrous Metal Composites,General Research for Non-ferrous Metals,Beijing,China
Shi Likai1
1 ,
- Affiliation：
  National Engineering Research Center for Non-ferrous Metal Composites,General Research for Non-ferrous Metals,Beijing,China
Zhang Zhifeng1
1 ,
- Affiliation：
  National Engineering Research Center for Non-ferrous Metal Composites,General Research for Non-ferrous Metals,Beijing,China
Liang Bo1
1 ,
- Affiliation：
  National Engineering Research Center for Non-ferrous Metal Composites,General Research for Non-ferrous Metals,Beijing,China
Xu Jun1
1
Issue 6, Pages: 435-438(2008)
Published： 2008 ，
DOI：

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[1]曾怡丹,石力开,张志峰,梁博,徐骏.MSMT制浆工艺因素对浆料组织的影响[J].特种铸造及有色合金,2008(06):435-438+406-407.

Zeng Yidan1, Shi Likai1, Zhang Zhifeng1, et al. Effects of Processing Parameters on the Microstructure of Semi-solid Slurry Prepared by Melt Spreading and Mixing Method. [J]. Special Casting & Nonferrous Alloys (6):435-438(2008)
[1]曾怡丹,石力开,张志峰,梁博,徐骏.MSMT制浆工艺因素对浆料组织的影响[J].特种铸造及有色合金,2008(06):435-438+406-407. DOI：

Zeng Yidan1, Shi Likai1, Zhang Zhifeng1, et al. Effects of Processing Parameters on the Microstructure of Semi-solid Slurry Prepared by Melt Spreading and Mixing Method. [J]. Special Casting & Nonferrous Alloys (6):435-438(2008) DOI：

Abstract

In order to improve and to optimize the performance of the equipment for the preparation of semi-solid slurry by melt spreading and mixing method,a series of experiments have been conducted to observe the effects of some processing parameters including melt temperature,degree of melt spreading,temperature of slurry-making chamber and melt injection on the microstructure of Al-6.56 Si alloy.The results reveal that the four factors have affected the under-cooling degree and temperature distribution of melt.The spheroidized fine microstructure with dispersive distribution can be prepared by controlling melt temperature less than 650 ℃ and rotating speed of spreading machine at 700¹ 000 r/min as well as temperature of making-chamber less than 300 ℃ and melt injection at in range of 6 kg/min¹2 kg/min.

transl

Keywords

Semi-solid Slurry; Melt Spreading and Mixing Method; Microstructure

transl

摘要

采用熔体分散混合制浆法制备了Al-6.56Si浆料

研究了熔体温度、熔体分散程度、制浆室温度和熔体流量等因素对浆料组织的影响。结果表明

上述4个因素影响熔体的过冷度和温度分布。要获得细小、均匀、非枝晶的浆料组织

熔体温度应不高于650℃、分散器转速应在700～1000r/min、制浆室温度应低于300℃、熔体流量应在6～12kg/min。

Abstract

In order to improve and to optimize the performance of the equipment for the preparation of semi-solid slurry by melt spreading and mixing method

a series of experiments have been conducted to observe the effects of some processing parameters including melt temperature

degree of melt spreading

temperature of slurry-making chamber and melt injection on the microstructure of Al-6.56 Si alloy.The results reveal that the four factors have affected the under-cooling degree and temperature distribution of melt.The spheroidized fine microstructure with dispersive distribution can be prepared by controlling melt temperature less than 650 ℃ and rotating speed of spreading machine at 700

000 r/min as well as temperature of making-chamber less than 300 ℃ and melt injection at in range of 6 kg/min

2 kg/min.

关键词

半固态流变制浆熔体分散混合法浆料微观组织

Keywords

Semi-solid SlurryMelt Spreading and Mixing MethodMicrostructure

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