Metallurgical and Materials Transactions A

, Volume 50, Issue 6, pp 2580–2584 | Cite as

Comparison of Microstructure and Mechanical Properties of Sintered γ-(Fe-Ni-P) Alloys with Abundant P Doping

  • Runjian Jiang
  • Ai Li
  • Guodong CuiEmail author
  • Chengsong Zhang


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.


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].

Conflict of interests

The authors declare that they have no competing interest.

Author Contributions

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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Copyright information

© The Minerals, Metals & Materials Society and ASM International 2019

Authors and Affiliations

  • Runjian Jiang
    • 1
  • Ai Li
    • 1
    • 2
  • Guodong Cui
    • 1
    Email author
  • Chengsong Zhang
    • 1
  1. 1.School of Materials Science and EngineeringSouthwest Jiaotong UniversityChengduChina
  2. 2.School of Mechanical EngineeringSouthwest Jiaotong UniversityChengduChina

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