Preparation of Semi-solid Al-5Cu Alloy by Ultrasonic Stirring

Li Yongjun; Cheng Hefa; Huang Xiaomei; Zhang Zhang; Mo Li’e

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Preparation of Semi-solid Al-5Cu Alloy by Ultrasonic Stirring
- role： First author 第一作者
- Affiliation：
  School of Materials Science and Engineering,Hefei University of Technology,Hefei,China
Li Yongjun
1 ,
- Affiliation：
  School of Materials Science and Engineering,Hefei University of Technology,Hefei,China
Cheng Hefa
1 ,
- Affiliation：
  School of Materials Science and Engineering,Hefei University of Technology,Hefei,China
Huang Xiaomei
1 ,
- Affiliation：
  School of Materials Science and Engineering,Hefei University of Technology,Hefei,China
Zhang Zhang
1 ,
- Affiliation：
  School of Materials Science and Engineering,Hefei University of Technology,Hefei,China
Mo Li’e
1
Issue 6, Pages: 448-450(2007)
Published： 2007 ，
DOI：

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[1]李拥军,程和法,黄笑梅,张章,莫立娥.超声波搅拌法制备半固态Al-5Cu合金[J].特种铸造及有色合金,2007(06):448-450+407.

Li Yongjun, Cheng Hefa, Huang Xiaomei, et al. Preparation of Semi-solid Al-5Cu Alloy by Ultrasonic Stirring. [J]. Special Casting & Nonferrous Alloys (6):448-450(2007)
[1]李拥军,程和法,黄笑梅,张章,莫立娥.超声波搅拌法制备半固态Al-5Cu合金[J].特种铸造及有色合金,2007(06):448-450+407. DOI：

Li Yongjun, Cheng Hefa, Huang Xiaomei, et al. Preparation of Semi-solid Al-5Cu Alloy by Ultrasonic Stirring. [J]. Special Casting & Nonferrous Alloys (6):448-450(2007) DOI：

Abstract

Semi-solid Al-5Cu alloy was prepared by ultrasonic stirring.The effects of important parameters,such as melt temperature,the ultrasonic treatment time and output power of ultrasonic stirrer,on the semi-solid structure of the alloy have been observed The results show that finer primary phase can be observed with increasing the melt temperature in the range of 610 to 660 ℃.In addition,the primary phase in the Al-5Cu alloy can be converted from coarse dendrite into fine spheroids with increasing the output power and time of ultrasonic stirrer at 660 ℃.

transl

Keywords

Semi-solid; Ultrasonic Stirring; Al-5Cu Alloy; Microstructure

transl

摘要

采用超声波搅拌法制备半固态Al-5Cu合金

研究了超声波导入时熔体的温度、搅拌时间和超声波输出功率3个重要参数对获得半固态Al-5Cu合金组织形貌的影响。结果表明

在熔体处于610～660℃之间导入超声波

随着熔体温度的升高

合金初生晶粒逐渐趋于细小的球状颗粒;当熔体为660℃时

随着导入超声波输出功率的增大、搅拌时间的延长

Al-5Cu合金初生相形貌由粗大的枝晶状逐渐转变为细小的球状晶粒。

Abstract

Semi-solid Al-5Cu alloy was prepared by ultrasonic stirring.The effects of important parameters

such as melt temperature

the ultrasonic treatment time and output power of ultrasonic stirrer

on the semi-solid structure of the alloy have been observed The results show that finer primary phase can be observed with increasing the melt temperature in the range of 610 to 660 ℃.In addition

the primary phase in the Al-5Cu alloy can be converted from coarse dendrite into fine spheroids with increasing the output power and time of ultrasonic stirrer at 660 ℃.

关键词

半固态超声波搅拌Al-5Cu合金微观组织

Keywords

Semi-solidUltrasonic StirringAl-5Cu AlloyMicrostructure

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