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Metals and Materials International

, Volume 24, Issue 3, pp 597–603 | Cite as

Microstructure and Mechanical Properties of Highly Alloyed FeCrMoVC Steel Fabricated by Spark Plasma Sintering

  • Seung-Jin Oh
  • Joong-Hwan Jun
  • Min-Ha Lee
  • In-Jin Shon
  • Seok-Jae LeeEmail author
Article

Abstract

In this study, we successfully fabricated highly alloyed FeCrMoVC specimens within 2 min by using the spark plasma sintering (SPS) method. The densities of the sintered specimens were almost identical to their theoretical values. Fine (Mo, V)-rich carbides with lamellar structure were precipitated along the grain boundaries of the as-sintered specimen, whereas relatively large carbides were formed additionally in the transgranular region during the tempering treatment. Compared with the specimen produced by a conventional casting method, the FeCrMoVC specimens from SPS showed smaller grain size with finer carbides and higher hardness values.

Keywords

Tool steel Spark plasma sintering Carbide formation Microstructure Hardness 

Notes

Acknowledgements

This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (2016R1D1A1B03935163) and also financially supported by the Ministry of Trade, Industry and Energy (MOTIE) and Korea Institute for Advancement of Technology (KIAT) through the International Cooperation R&D Program.

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Copyright information

© The Korean Institute of Metals and Materials 2018

Authors and Affiliations

  • Seung-Jin Oh
    • 1
  • Joong-Hwan Jun
    • 2
  • Min-Ha Lee
    • 2
  • In-Jin Shon
    • 1
  • Seok-Jae Lee
    • 1
    Email author
  1. 1.Division of Advanced Materials Engineering, Research Center for Advanced Materials DevelopmentChonbuk National UniversityJeonjuRepublic of Korea
  2. 2.Advanced Process and Materials R&D GroupKorea Institute of Industrial Technology (KITECH)IncheonRepublic of Korea

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