Aging Characteristics of Cu-Cr-Fe Alloy

Shuai Gewang1; Guo Zhenghua1; Fang Ping1; Huang Huizhen2

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Aging Characteristics of Cu-Cr-Fe Alloy
Vol. 29, Issue 9, Pages: 872-875(2009)
Published： 2009 ，
DOI：

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[1]帅歌旺,郭正华,方平,黄惠珍.Cu-Cr-Fe合金的时效析出行为[J].特种铸造及有色合金,2009,29(09):872-875+784.

Shuai Gewang1, Guo Zhenghua1, Fang Ping1, et al. Aging Characteristics of Cu-Cr-Fe Alloy. [J]. Special Casting & Nonferrous Alloys 29(9):872-875(2009)
[1]帅歌旺,郭正华,方平,黄惠珍.Cu-Cr-Fe合金的时效析出行为[J].特种铸造及有色合金,2009,29(09):872-875+784. DOI：

Shuai Gewang1, Guo Zhenghua1, Fang Ping1, et al. Aging Characteristics of Cu-Cr-Fe Alloy. [J]. Special Casting & Nonferrous Alloys 29(9):872-875(2009) DOI：

摘要

采用真空熔炼方法制备了Cu-0.32Cr-1.82Fe、Cu-0.33Cr和Cu-1.87Fe合金

随后分别进行了固溶-时效和固溶-冷变形-时效处理。采用XRD物相分析、点阵参数测量、硬度和电导率测试等手段

研究了合金在不同热处理状态下的时效行为。结果表明

同时添加Cr、Fe元素能够显著提高合金硬度

但对导电性能影响不大。Cu-0.32Cr-1.82Fe合金经1000℃×2h固溶处理、80%变形

在480℃时效60min后其硬度（HV）和电导率分别可达215和31.9MS/m。

Abstract

Cu-0.32Cr-1.82Fe

Cu-0.33Cr and Cu-1.87Fe alloys were prepared by vacuum melting

subsequently

the alloy ingots were treated by solution plus aging and solution-cold deformation-aging. Aging characteristics of three alloys were investigated by XRD （X-ray diffraction）

hardness and electrical conductivity measurements as well as lattice parameters measurement. It is found that although Cr and Fe addition can greatly improve the hardness of the alloy

it plays somewhat role in electrical conductivity of the alloy. The micro-hardness and electrical conductivity of Cu-0.32Cr-1.82Fe alloy reach 215HV and 31.9MS/m after solution treatment at 1000℃ for 2 hours and 80% cold deformation and aging at 480℃ for 1 hours.