Abstract
The γ-(Fe-Ni-P) alloy with a high phosphorus content was obtained by spark plasma sintering. A supersaturated phosphorus solid solution has been developed and the precipitation of phosphide is suppressed in this γ-(Fe-Ni-P) alloy. This new structure of the γ-(Fe-Ni-P) alloy attains a higher yield strength (1067 MPa) without sacrificing plasticity. Its formation and strengthening mechanism are clarified by a comparison with the alloy obtained via conventional sintering.
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This work was supported by the National Natural Science Foundation of China [Grant No. 51601156]; and Fundamental Research Funds for the Central Universities of China [Grant No. 2682016CX067].
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Runjian Jiang wrote the manuscript. Guodong Cui initiated the research and provided technical input on sample design. Ai Li fabricated samples and performed the experiments. Runjian Jiang, Guodong Cui and Chengsong Zhang contributed to the technical discussions of results. All authors commented on the manuscript.
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Manuscript submitted October 24, 2018.
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Jiang, R., Li, A., Cui, G. et al. Comparison of Microstructure and Mechanical Properties of Sintered γ-(Fe-Ni-P) Alloys with Abundant P Doping. Metall Mater Trans A 50, 2580–2584 (2019). https://doi.org/10.1007/s11661-019-05199-9
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DOI: https://doi.org/10.1007/s11661-019-05199-9