S. Basel, C. Safety, C. Engineering | 2025 | Buildings
DOI 10.3390/buildings15142543Review state
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This paper reviews advancements in solidification technologies for lunar regolith-based building materials and highlights the need for improved lunar environment simulation techniques, particularly for 1/6 g gravity, to assess in situ applicability. The paper discusses challenges in lunar exploration due to extreme environments and the need for lunar regolith-based construction technologies. It reviews current progress and challenges in solidification technologies and simulation systems for lunar environments. This paper discusses solidification technologies for lunar regolith-based building materials, focusing on reaction solidification, particularly alkali-activated solidification. It presents chemical compositions of lunar regolith samples and simulants, including Apollo and Chang'e-5 samples, and JSC-1, CUMT-1, and BH-1 simulants. The paper discusses solidification technologies for lunar regolith-based building materials under extreme lunar environments, focusing on alkali activation, hydrothermal solidification, and sintering/melting methods. It highlights the compatibility of lunar regolith with alkali-activated systems and the challenges of maintaining curing conditions on t
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Alkali-Activated Solidification
chemical solidification
Thermal properties analysis
Material properties
Vacuum sintering
Material processing
Solar thermal heating
Energy source
Electric resistance sintering
Sintering method
Microwave sintering
Sintering method
Laser melting
Sintering method
Modular sintering
Sintering method
Peak sintering temperatures
900–1400 °C
Compressive strength
Enhanced
Thermal management
Complex
Vacuum conditions
Ultra-high vacuum
Solar thermal heating
Sustainable and resource-efficient
Electric heating
Precise and stable temperature control
Direct 3D printing
Higher mechanical power and complex thermo-mechanical control systems
Modular sintering
Controlled structure formation