首页|Development and characterization of the PolyU-1 lunar regolith simulant based on Chang'e-5 returned samples
Development and characterization of the PolyU-1 lunar regolith simulant based on Chang'e-5 returned samples
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Leading national space exploration agencies and private enterprises are actively engaged in lunar explo-ration initiatives to accomplish manned lunar landings and establish permanent lunar bases in the forth-coming years.With limited access to lunar surface materials on Earth,lunar regolith simulants are crucial for lunar exploration research.The Chang'e-5(CE-5)samples have been characterized by state-of-the-art laboratory equipment,providing a unique opportunity to develop a high-quality lunar regolith simulant.We have prepared a high-fidelity PolyU-1 simulant by pulverizing,desiccating,sieving,and blending nat-ural mineral materials on Earth based on key physical,mineral,and chemical characteristics of CE-5 sam-ples.The results showed that the simulant has a high degree of consistency with the CE-5 samples in terms of the particle morphology,mineral and chemical composition.Direct shear tests were conducted on the simulant,and the measured internal friction angle and cohesion values can serve as references for determining the mechanical properties of CE-5 lunar regolith.The PolyU-1 simulant can contribute to experimental studies involving lunar regolith,including the assessment of interaction between rovers and lunar regolith,as well as the development of in-situ resource utilization(ISRU)technologies.
Department of Civil and Environmental Engineering,The Hong Kong Polytechnic University,Hong Kong 999077,China
Research Centre for Deep Space Explorations,The Hong Kong Polytechnic University,Hong Kong 999077,China
Key Laboratory of Earth and Planetary Physics,Institute of Geology and Geophysics,Chinese Academy of Sciences,Beijing 100190,China
College of Earth and Planetary Sciences,University of Chinese Academy of Sciences,Beijing 100049,China
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PolyU RCDSE projectsPolyU RCDSE projectsNational Natural Science Foundation of ChinaKey Research Program of the Institute of Geology and Geophysics,Chinese Academy of Sciences
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