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Research progress in high-temperature high-entropy alloys
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Haiyang LI1, Zhaolong MA1, 2, 3, 4, *, Xingwang CHENG1, 2, 3, 4, *
Journal of Aeronautical Materials | 2025, 45(5) : 61 - 77
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Journal of Aeronautical Materials | 2025, 45(5): 61-77
• Review •
Research progress in high-temperature high-entropy alloys
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Haiyang LI1, Zhaolong MA1, 2, 3, 4, *, Xingwang CHENG1, 2, 3, 4, *
Affiliations
  • 1School of Materials Science and Engineering，Beijing Institute of Technology，Beijing 100081，China
  • 2National Key Laboratory of Science and Technology on Materials Under Shock and Impact，Beijing 100081，China
  • 3Tangshan Research Institute，Beijing Institute of Technology，Tangshan 063000，Hebei，China
  • 4Materials Intelligent Innovation Laboratory，Beijing Institute of Technology，ZHUHAI，Zhuhai 519088，Guangdong，China
Published: 2025-10-01 doi: 10.11868/j.issn.1005-5053.2025.000081
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High-temperature high-entropy alloys（HEAs）show potential to surpass traditional Ni-based alloys through multi-principal element synergy and microstructural regulation. This review systematically examines three systems: high-entropy superalloys（HESAs）, refractory HEAs（RHEAs） and refractory high-entropy superalloys（RSAs）. HESAs emulate the γ/γ′ dual-phase structure of Ni-based alloys, achieving comparable strength at 800-1000 ℃. RHEAs utilize refractory elements to form high-melting-point solid solutions with superior performance above 1200 ℃. RSAs innovate with BCC/B2 nanobasket structures, outperforming Ni-based alloys across 25-1200 ℃. Current challenges include poor room-temperature ductility, oxidation resistance and phase stability, demanding breakthroughs in multi-scale microstructure control, dynamic phase transformation mechanisms and high-throughput design. Future directions prioritize multi-objective composition optimization, advanced processing, cross-scale characterization, and service-condition evaluation systems to guide extreme-environment applications like aeroengine components and nuclear reactors, etc.

high-temperature high entropy alloy  /  high entropy superalloy  /  refractory high entropy alloy  /  refractory high entropy superalloy  /  composition design  /  microstructure  /  mechanical property
Haiyang LI, Zhaolong MA, Xingwang CHENG. Research progress in high-temperature high-entropy alloys[J]. Journal of Aeronautical Materials, 2025 , 45 (5) : 61 -77 . DOI: 10.11868/j.issn.1005-5053.2025.000081
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Article Info
doi: 10.11868/j.issn.1005-5053.2025.000081
  • Receive Date：2025-05-08
  • Online Date：2026-04-09
  • Published：2025-10-01
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  • Received：2025-05-08
  • Accepted：2025-06-23
Affiliations
    1School of Materials Science and Engineering，Beijing Institute of Technology，Beijing 100081，China
    2National Key Laboratory of Science and Technology on Materials Under Shock and Impact，Beijing 100081，China
    3Tangshan Research Institute，Beijing Institute of Technology，Tangshan 063000，Hebei，China
    4Materials Intelligent Innovation Laboratory，Beijing Institute of Technology，ZHUHAI，Zhuhai 519088，Guangdong，China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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