Effects of Carbon on Microstructure of Cu-14Fe Alloys

Liu Qiuxiang; Guo Wei; Zou Jin; Lu Deping

doi:10.15980/j.tzzz.2020.09.028

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Effects of Carbon on Microstructure of Cu-14Fe Alloys
Vol. 40, Issue 9, Pages: 1042-1044(2020)
Published： 2020 ，
DOI： 10.15980/j.tzzz.2020.09.028

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[1]刘秋香,郭炜,邹晋,陆德平.C对Cu-14Fe合金微观组织的影响[J].特种铸造及有色合金,2020,40(09):1042-1044.

Liu Qiuxiang, Guo Wei, Zou Jin, et al. Effects of Carbon on Microstructure of Cu-14Fe Alloys. [J]. Special Casting & Nonferrous Alloys 40(9):1042-1044(2020)
[1]刘秋香,郭炜,邹晋,陆德平.C对Cu-14Fe合金微观组织的影响[J].特种铸造及有色合金,2020,40(09):1042-1044. DOI： 10.15980/j.tzzz.2020.09.028.

Liu Qiuxiang, Guo Wei, Zou Jin, et al. Effects of Carbon on Microstructure of Cu-14Fe Alloys. [J]. Special Casting & Nonferrous Alloys 40(9):1042-1044(2020) DOI： 10.15980/j.tzzz.2020.09.028.

摘要

采用真空感应电炉熔炼制备了Cu-14Fe合金铸锭

利用X射线衍射仪、场发射透射电镜及能谱分析仪

研究了C对Cu-14Fe合金微观组织的影响。结果表明

C的加入使得Cu-14Fe合金中富Fe相呈球状

且较为均匀地分布于Cu基体中。富Fe相是以α-Fe形式存在

且富Fe相中分布着大量纳米尺度的Cu颗粒。此外

C还可促进富Fe相析出

降低Fe在基体中的固溶度。

Abstract

Cu-14Fe alloys ingots with different carbon content were prepared by vacuum induction furnace

and the effects of different carbon content on the microstructure of Cu-14Fe alloys was investigated by X-ray diffraction（XRD）

field emission transmission electron microscopy（FE-TEM）and energy spectrum.The results show that the spherical rich-Fe phase in Cu-14Fe is distributed more uniform in copper matrix with carbon addition.The rich-Fe phase exists in form ofα-Fe

and amounts of nano-Cu particles are distributed in the rich-Fe phase.Moreover

carbon element can promote the precipitation of Fe to decrease the solubility of Fe in the copper matrix.

关键词

Cu-14Fe合金C固溶度富Fe相

Keywords

Cu-14Fe AlloyCarbonSolubilityRich-Fe Phase

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