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JOM

, Volume 64, Issue 7, pp 839–845 | Cite as

Computational Thermodynamics Aided High-Entropy Alloy Design

  • Chuan Zhang
  • Fan Zhang
  • Shuanglin Chen
  • Weisheng Cao
Article

Abstract

Thermodynamic calculation is used to shed light on the design and development of high-entropy alloys (HEAs) in this article. A thermodynamic database for the Al-Co-Cr-Fe-Ni was developed, and phase diagrams of this system were calculated. The calculated results, such as primary solidified phases, which are fractions of stable phases at a given alloy composition, explain the published experimental observations fairly well for both as-cast and homogenized alloys. These calculations also confirm the effect of each element on the face-centered cubic (fcc)/body-centered cubic (bcc) structure transition as published in the literature. The role of thermodynamic calculation in aiding effective design of HEAs is clearly demonstrated by this work.

Keywords

Thermodynamic Description Thermodynamic Database CALPHAD Approach Scheil Simulation CoCrFeNi Alloy 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© TMS 2012

Authors and Affiliations

  • Chuan Zhang
    • 1
  • Fan Zhang
    • 1
  • Shuanglin Chen
    • 1
  • Weisheng Cao
    • 1
  1. 1.CompuTherm LLCMadisonUSA

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