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IF 6.2 2区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Journal of Materials Research and Technology-Jmr&t Pub Date : 2024-09-16 DOI:10.1016/j.jmrt.2024.09.123

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引用次数: 0

摘要

研究了 Cu66.6(FeCo)33.4 和 Cu60(FeCo)40 合金的微观结构和性能。显微结构观察表明，CuFeCo 合金形成了由面心立方（FCC）相和体心立方（BCC）相组成的双相异质结构。经过冷轧和时效处理后，CuFeCo 合金的平均晶粒尺寸小于 10 μm。Cu66.6(FeCo)33.4 具有更好的伸长率和导电性，而 Cu60(FeCo)40 则具有更好的抗拉强度、硬度、饱和磁化率和电磁干扰屏蔽效果。铁钴含量的增加使第二相更细，体积分数更大，从而产生更多的相界。这增强了铜铁钴合金的强度，同时降低了其伸长率。所得结果可用于进一步开发具有 FCC/BCC 双相异质结构的合金。

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Microstructure characterization and properties of CuFeCo heterostructure alloys

The microstructure and properties of Cu_66.6(FeCo)_33.4 and Cu₆₀(FeCo)₄₀ alloys were investigated. Microstructural observations show that CuFeCo alloys have formed dual-phase heterostructures comprising face-centered cubic (FCC) and body-centered cubic (BCC) phases. The average grain size of the CuFeCo alloys after cold rolling and aging is less than 10 μm. Cu_66.6(FeCo)_33.4 has better elongation and electrical conductivity, while Cu₆₀(FeCo)₄₀ has better tensile strength, hardness, saturation magnetization, and electromagnetic interference shielding effectiveness. An increased FeCo content in a finer second phase with a larger volume fraction, leading to more phase boundaries. This enhances the strength of the CuFeCo alloys while simultaneously reducing their elongation. The obtained results can be used for further development of alloys with FCC/BCC dual-phase heterostructures.

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来源期刊

Journal of Materials Research and Technology-Jmr&t Materials Science-Metals and Alloys

CiteScore

8.80

自引率

9.40%

发文量

1877

审稿时长

35 days

期刊介绍： The Journal of Materials Research and Technology is a publication of ABM - Brazilian Metallurgical, Materials and Mining Association - and publishes four issues per year also with a free version online (www.jmrt.com.br). The journal provides an international medium for the publication of theoretical and experimental studies related to Metallurgy, Materials and Minerals research and technology. Appropriate submissions to the Journal of Materials Research and Technology should include scientific and/or engineering factors which affect processes and products in the Metallurgy, Materials and Mining areas.