A high-throughput approach to explore the multi-component alloy space: A case study of nickel-based superalloys

Abstract Knowledge of phase boundaries in multi-component system plays a critical role in exploring the alloy design space effectively and safely, which defines the roadmap to stabilize desirable phases and sidestep detrimental phases. In this work, a novel combinatorial approach was developed to determine the phase boundaries in multi-component nickel-based superalloys. In addition, a three-phase region was pinpointed and expected to enhance high-temperature properties. The results were further analyzed to evaluate the feasibility of CALPHAD and semi-empirical predictions, which provided clues for the improvement of the thermodynamic databases. Data Availability All data included in this work are available from the corresponding author on reasonable request.

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