Research progress on the development, microstructure and properties of Mo–Re alloys for space nuclear reactors

With the gradual deepening of space exploration, the requirements for deep space energy and power propulsion systems have become increasingly stringent. Due to its extremely high energy density, strong environmental adaptability, integration of propulsion and power, as well as high reliability, the...

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Main Authors: Wenjun Gao, Jingyi Tuo, Yujun Pan, Xuefei Huang, Hui Wang
Format: Article
Language:English
Published: Elsevier 2025-07-01
Series:Journal of Materials Research and Technology
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Online Access:http://www.sciencedirect.com/science/article/pii/S2238785425017302
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author Wenjun Gao
Jingyi Tuo
Yujun Pan
Xuefei Huang
Hui Wang
author_facet Wenjun Gao
Jingyi Tuo
Yujun Pan
Xuefei Huang
Hui Wang
author_sort Wenjun Gao
collection DOAJ
description With the gradual deepening of space exploration, the requirements for deep space energy and power propulsion systems have become increasingly stringent. Due to its extremely high energy density, strong environmental adaptability, integration of propulsion and power, as well as high reliability, the space nuclear reactor has emerged as a critical component for deep space exploration missions. Mo–Re alloys demonstrate remarkable irradiation damage resistance, excellent high-temperature performance, and good compatibility with nuclear fuel, becoming important promising candidate materials for cladding and core structural components in space nuclear reactors. This review summarizes the recent domestic and international research progress on Mo–Re alloys though comprehensive analysis of three key aspects: preparation methodologies, mechanical properties, and irradiation resistance. Then the existing challenges associated with Mo–Re alloys are also presented, aiming to provide a reference for the design and research of Mo–Re alloys for space nuclear reactors.
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publishDate 2025-07-01
publisher Elsevier
record_format Article
series Journal of Materials Research and Technology
spelling doaj-art-8e7f3a27a7884f8cac6823fc6f5bac0c2025-08-20T03:50:53ZengElsevierJournal of Materials Research and Technology2238-78542025-07-01374532454110.1016/j.jmrt.2025.07.072Research progress on the development, microstructure and properties of Mo–Re alloys for space nuclear reactorsWenjun Gao0Jingyi Tuo1Yujun Pan2Xuefei Huang3Hui Wang4College of Materials Science and Engineering, Sichuan University, Chengdu, 610065, ChinaCollege of Materials Science and Engineering, Sichuan University, Chengdu, 610065, ChinaCollege of Materials Science and Engineering, Sichuan University, Chengdu, 610065, ChinaCorresponding author.; College of Materials Science and Engineering, Sichuan University, Chengdu, 610065, ChinaCorresponding author.; College of Materials Science and Engineering, Sichuan University, Chengdu, 610065, ChinaWith the gradual deepening of space exploration, the requirements for deep space energy and power propulsion systems have become increasingly stringent. Due to its extremely high energy density, strong environmental adaptability, integration of propulsion and power, as well as high reliability, the space nuclear reactor has emerged as a critical component for deep space exploration missions. Mo–Re alloys demonstrate remarkable irradiation damage resistance, excellent high-temperature performance, and good compatibility with nuclear fuel, becoming important promising candidate materials for cladding and core structural components in space nuclear reactors. This review summarizes the recent domestic and international research progress on Mo–Re alloys though comprehensive analysis of three key aspects: preparation methodologies, mechanical properties, and irradiation resistance. Then the existing challenges associated with Mo–Re alloys are also presented, aiming to provide a reference for the design and research of Mo–Re alloys for space nuclear reactors.http://www.sciencedirect.com/science/article/pii/S2238785425017302Space nuclear reactorsReactor materialsMo–Re alloysPreparation technologiesKey performances
spellingShingle Wenjun Gao
Jingyi Tuo
Yujun Pan
Xuefei Huang
Hui Wang
Research progress on the development, microstructure and properties of Mo–Re alloys for space nuclear reactors
Journal of Materials Research and Technology
Space nuclear reactors
Reactor materials
Mo–Re alloys
Preparation technologies
Key performances
title Research progress on the development, microstructure and properties of Mo–Re alloys for space nuclear reactors
title_full Research progress on the development, microstructure and properties of Mo–Re alloys for space nuclear reactors
title_fullStr Research progress on the development, microstructure and properties of Mo–Re alloys for space nuclear reactors
title_full_unstemmed Research progress on the development, microstructure and properties of Mo–Re alloys for space nuclear reactors
title_short Research progress on the development, microstructure and properties of Mo–Re alloys for space nuclear reactors
title_sort research progress on the development microstructure and properties of mo re alloys for space nuclear reactors
topic Space nuclear reactors
Reactor materials
Mo–Re alloys
Preparation technologies
Key performances
url http://www.sciencedirect.com/science/article/pii/S2238785425017302
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AT jingyituo researchprogressonthedevelopmentmicrostructureandpropertiesofmorealloysforspacenuclearreactors
AT yujunpan researchprogressonthedevelopmentmicrostructureandpropertiesofmorealloysforspacenuclearreactors
AT xuefeihuang researchprogressonthedevelopmentmicrostructureandpropertiesofmorealloysforspacenuclearreactors
AT huiwang researchprogressonthedevelopmentmicrostructureandpropertiesofmorealloysforspacenuclearreactors