Microstructure and Properties of Al<sub>2</sub>O<sub>3</sub> Dispersively Strengthened Copper Alloy Prepared by Internal Oxidation

Su Fanfan1; Zhang Danwen2; Zhao Dongmei1; Ren Fengzhang1; Tian Baohong1; Jia Shuguo1

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Microstructure and Properties of Al₂O₃ Dispersively Strengthened Copper Alloy Prepared by Internal Oxidation
Vol. 29, Issue 7, Pages: 677-679(2009)
Published： 2009 ，
DOI：

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[1]苏凡凡,张旦闻,赵冬梅,任凤章,田保红,贾淑果.内氧化法制备Al_2O_3弥散强化铜合金的组织和性能[J].特种铸造及有色合金,2009,29(07):677-679+588.

Su Fanfan1, Zhang Danwen2, Zhao Dongmei1, et al. Microstructure and Properties of Al₂O₃ Dispersively Strengthened Copper Alloy Prepared by Internal Oxidation. [J]. Special Casting & Nonferrous Alloys 29(7):677-679(2009)
[1]苏凡凡,张旦闻,赵冬梅,任凤章,田保红,贾淑果.内氧化法制备Al_2O_3弥散强化铜合金的组织和性能[J].特种铸造及有色合金,2009,29(07):677-679+588. DOI：

Su Fanfan1, Zhang Danwen2, Zhao Dongmei1, et al. Microstructure and Properties of Al₂O₃ Dispersively Strengthened Copper Alloy Prepared by Internal Oxidation. [J]. Special Casting & Nonferrous Alloys 29(7):677-679(2009) DOI：

摘要

用Cu2O粉作氧化剂

采用内氧化工艺制备了Al2O3弥散强化铜合金薄板。研究不同Al含量（0.14%、0.30%）和内氧化时间（3、8、12h）下的Al2O3弥散强化铜合金薄板的电导率和硬度

并进行了显微组织分析。结果表明

内氧化时间越长

内部晶粒越粗大;其他内氧化条件相同情况下

Al含量越高

内氧化层的深度越小

内部晶粒越粗大;Al2O3弥散强化铜合金材料具有良好的电导率和较高的硬度。

Abstract

Al2O3-dispersively-strengthened copper alloy sheets were prepared with Cu2O as oxidizer by internal oxidation method. Effects of different Al content （0.14%

0.3%） and different internal oxidation time （3

12h） on electric conductivity

hardness and microstructure of the sheets were investigated. The results verifiy that with increasing in internal oxidation time

the grain size in the sheets becomes coarser

meanwhile

at a given oxidized time

with increasing in Al content

the thickness internal oxidization layer is decreased with the coarse grain size. In addition

Al2O3 dispersively strengthened copper alloy exhibits acceptable electrical conductivity and high hardness.

关键词

Al2O3弥散强化铜合金内氧化显微硬度

Keywords

Al2O3 Dispersively Strengthened Copper AlloyInternal OxidationMicro-Hardness

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Microstructure and Properties of Al2O3 Dispersively Strengthened Copper Alloy Prepared by Internal Oxidation

DOI：

摘要

Abstract

关键词

Keywords

references

Microstructure and Properties of Al₂O₃ Dispersively Strengthened Copper Alloy Prepared by Internal Oxidation