Y.-J. Kim, B. Ryu, H. Jin, J. Lee, H.-S. Shin | 2021 | Ceramics International
DOI 10.1016/j.ceramint.2021.06.098Review state
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This paper investigates the microstructural, mechanical, and thermal properties of microwave-sintered KLS-1 lunar regolith simulant. It reports effects of sintering temperature on linear shrinkage, density, porosity, and mechanical strength. Thermal expansion coefficient and cyclic thermal stability are also characterized. The paper investigates the properties of a lunar regolith simulant, KOSMOS-1, under microwave sintering conditions. It explores the effects of varying microwave power and sintering time on the mechanical and microstructural characteristics of the sintered material. The study highlights the potential of microwave sintering as an energy-efficient and rapid method for processing lunar regolith for in-situ resource utilization (ISRU) applications. The study investigates the microstructural, mechanical, and thermal properties of KLS-1 lunar regolith simulant microwave-sintered at different temperatures. The effects of sintering temperature on linear shrinkage, density, porosity, and other properties are analyzed. The results show that increasing the sintering temperature improves the mechanical strength, density, and reduces porosity. The thermal expansion coefficient
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microwave sintering
thermal processing
Microwave sintering
Processing
Microwave sintering of KLS-1
sintering
Unconfined compressive strength testing
mechanical testing
Laser diffraction analysis
particle size distribution
Field-emission scanning electron microscopy (FE-SEM)
morphology
Energy dispersive spectrometry (EDS)
elemental composition
Simultaneous thermal analysis mass spectrometry (STA MS)
thermal properties
linear shrinkage
increased
density
increased
porosity
decreased
unconfined compressive strength (UCS)
37.0 4.8 MPa
coefficient of thermal expansion (CTE)
5 10 6 C 1
Particle size distribution
Diameter at 10%, 50%, and 90% of cumulative distribution
Elemental composition
Plagioclase (Pl), pyroxene (Py), ilmenite (Ilm), olivine (Ol)
Thermal properties
Weight loss of 0.2% under heating from 30 to 1200 C