Abstract
In order to obtain homogeneity and fine-scale microstructure of Cu–Fe alloy, a Cu-10 wt% Fe alloy slab was prepared by spray forming. The effects of cold rolling reduction on the alloy microstructure, mechanical properties, and electrical conductivity were studied. The results indicate that the Fe phase was fine and uniform with an average particle size of 4.16 μm, and the morphology of the particles was short rod or nearly spherical. The Cu matrix and Fe particles were gradually elongated, refined and finally formed into a distinct fiber structure along the rolling direction as the cold rolling reduction increased from 35 to 95%. The degree of deformation of the Cu matrix was more significant than that of the Fe phases at the same reduction, and more refined grains of the Cu matrix around the Fe phases. After cold rolling at 95% reduction, the Cu-10 wt% Fe exhibited an increase in tensile strength from 337 MPa in the initial state to 595 MPa, while the electrical conductivity decreased from 42.3% IACS to 20.2% IACS. The alloy deformation behavior and the strengthening mechanisms were illustrated. The combination of spray forming and cold rolling provides a novel approach to producing efficient, shortened process, environmentally friendly Cu–Fe alloy thin strips.
Graphical Abstract
A new process of preparing homogeneity and fine-scale microstructure Cu-10 wt% Fe alloy thin strip by spray forming and clod rolling is proposed. Fine and uniform Fe particles were obtained with an average size of 4.16 μm. Combined with the subsequent cold rolling, the effects of different reductions on the microstructure and mechanical properties after cold rolling were systematically studied. The specific abstract summary is as follows:
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This research is financially supported by the Open Fund Project of State Key Laboratory for Comprehensive Utilization of Vanadium and Titanium Resources (No. 2021P4FZG12A), the National Natural Science Foundation of China (No. 51274063) and the National Key R&D Program of China (No. 2017YFB0304100).
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Huang, S., Niu, Wy., Wang, Gq. et al. Microstructure Evolution and Property of Spray-Formed Cu-10 wt% Fe Alloy During Cold Rolling. Met. Mater. Int. (2024). https://doi.org/10.1007/s12540-024-01626-8
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DOI: https://doi.org/10.1007/s12540-024-01626-8