Preparation of Al-10Cr Alloy by Mixed Liquid-solid Casting

Cheng Xiangfei  Yan Hongge  Chen Zhenhua  He Jianjun

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Preparation of Al-10Cr Alloy by Mixed Liquid-solid Casting
- role： First author 第一作者
- Affiliation：
  Hunan University,Changsha,China
Cheng Xiangfei Yan Hongge Chen Zhenhua He Jianjun
1 ,
- Affiliation：
  Hunan University,Changsha,China
严红革
1 ,
- Affiliation：
  Hunan University,Changsha,China
陈振华
1 ,
- Affiliation：
  Hunan University,Changsha,China
何建军
1
Issue 2, Pages: 85-87(2005)
Published： 2005 ，
DOI：

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[1]程相飞,严红革,陈振华,何建军.固液混合铸造制备Al-10Cr合金的研究[J].特种铸造及有色合金,2005(02):85-87+62.

Cheng Xiangfei Yan Hongge Chen Zhenhua He Jianjun. Preparation of Al-10Cr Alloy by Mixed Liquid-solid Casting. [J]. Special Casting & Nonferrous Alloys (2):85-87(2005)
[1]程相飞,严红革,陈振华,何建军.固液混合铸造制备Al-10Cr合金的研究[J].特种铸造及有色合金,2005(02):85-87+62. DOI：

Cheng Xiangfei Yan Hongge Chen Zhenhua He Jianjun. Preparation of Al-10Cr Alloy by Mixed Liquid-solid Casting. [J]. Special Casting & Nonferrous Alloys (2):85-87(2005) DOI：

Abstract

Al-10Cr alloy was prepared by mixed liquid-solid casting.The effects of superheating temperature,alloy powder addition and grain size of powder on the microstructure and mechanical properties were investigated.It was found that the alloy with uniform fine grain can be obtained under the conditions of 35 ℃ superheating temperature and 60% powder addition as well as powder granulannity of 147～246 μm.The optimized mechanical properties at room temperature are σ_b=119 MPa,σ_0.2=89.5 MPa and δ=1%.

transl

Keywords

Mixed Loquid-Solid Casting; Al-Cr Alloy; Die Casting

transl

摘要

采用固液混合铸造新技术

制备了Al 10Cr合金

研究了合金熔体过热度

加粉量和粉末粒度对材料组织和性能的影响。试验结果表明 :合金熔体的过热度为 3 5℃时最佳

当加粉量为 60 %、粉末粒度为 14 7～ 2 46μm时可获得均匀的细晶组织

最佳室温力学性能为σb=119MPa

σ0 .2 =89.5MPa

δ =1.0 %。

Abstract

Al-10Cr alloy was prepared by mixed liquid-solid casting.The effects of superheating temperature

alloy powder addition and grain size of powder on the microstructure and mechanical properties were investigated.It was found that the alloy with uniform fine grain can be obtained under the conditions of 35 ℃ superheating temperature and 60% powder addition as well as powder granulannity of 147～246 μm.The optimized mechanical properties at room temperature are σ

=119 MPa

0.2

=89.5 MPa and δ=1%.

关键词

固液混合铸造Al-Cr合金压铸

Keywords

Mixed Loquid-Solid CastingAl-Cr AlloyDie Casting

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