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説明:

This study presents the design and microstructural investigation of a single-crystal (SX) Re-bearing high-entropy superalloy (HESA-X1) featuring a thermally stable γ–γ′–γ hierarchical microstructure. The findings highlight critical roles of Re in enhancing microstructural stability by reducing atomic mobility, enabling the development of next-generation HESAs with superior thermal and mechanical properties for high-temperature applications.

権利情報:

• Creative Commons BY Attribution 4.0 International
  

  Copyright: © 2025 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/
  licenses/by/4.0/).

キーワード: Re-bearing HESA, Solidification, Elemental partitioning, Hierarchical microstructure, Phase stability

刊行年月日: 2025-07-22

出版者: MDPI AG

掲載誌:

• Metals (ISSN: 20754701) vol. 15 issue. 8 p. 820-820 820

研究助成金:

• Ministry of Education (MOE) (“High Entropy Materials Center” from The Featured Areas Research Center Program within the framework of the Higher Education Sprout Project )
• National Science and Technology Council (NSTC) NSTC 112-2927-I-007-504
• National Science and Technology Council (NSTC) NSTC 110-2221-E-007-020-MY3
• National Science and Technology Council (NSTC) NSTC 112-2224-E-007-003
• National Science and Technology Council (NSTC) NSTC 113-2221-E-007-035
• National Institute for Materials Science (International Collaborative Graduate Program (ICGP) scholarship)

原稿種別: 出版者版 (Version of record)

MDR DOI:

公開URL: https://doi.org/10.3390/met15080820

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更新時刻: 2026-01-05 15:15:01 +0900

MDRでの公開時刻: 2026-01-06 08:19:16 +0900