Metallurgical and Materials Transactions B

, Volume 50, Issue 1, pp 32–35 | Cite as

CoCrFeNi Multi-principal Element Alloy Prepared Via Self-propagating High-Temperature Synthesis Plus Investment Casting Method

  • Tao Lu
  • Wenke Chai
  • Ye PanEmail author
  • Ting Dai
  • Dongke Sun


A CoCrFeNi multi-principal element alloy was successfully prepared via the combination of self-propagating high-temperature synthesis and investment casting. The phase identification, the as-cast microstructure, and the solidification phenomena were investigated. Unlike the dendrite morphology obtained by arc melting, cellular growth in the as-cast alloy was observed as a consequence of the rapid solidification. The solidification process is discussed with regard to the rate of advance of the liquid–solid interface, the equilibrium melting range, and the interface temperature gradient.


This study was supported by the National Natural Science Foundation of China (Grant Nos. 51671056 and 51728601) and Jiangsu Key Laboratory for Advanced Metallic Materials (Grant No. BM2007204). We thank Kathryn Sole, Ph.D., from Liwen Bianji, Edanz Group China (, for editing the English text of the earlier draft of this manuscript.


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Copyright information

© The Minerals, Metals & Materials Society and ASM International 2018

Authors and Affiliations

  • Tao Lu
    • 1
  • Wenke Chai
    • 1
  • Ye Pan
    • 1
    Email author
  • Ting Dai
    • 1
  • Dongke Sun
    • 2
  1. 1.School of Materials Science and Engineering, Jiangsu Key Laboratory of Advanced Metallic MaterialsSoutheast UniversityNanjingChina
  2. 2.Jiangsu Key Laboratory for Design and Manufacture of Micro-Nano Biomedical Instruments, School of Mechanical EngineeringSoutheast UniversityNanjingChina

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