Thermal properties of processed lunar regolith simulant
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Abstract In this paper, the thermal characterization of lunar regolith simulant, sintered using a conventional oven under ambient and vacuum conditions is presented. Additionally, thermal characterization of samples is performed for the parts manufactured using solar, laser, and microwave processing. Samples for oven sintering are prepared using regolith bulk simulant as well as simulant pressed at 255 MPa for 10 minutes. Similar experiments are performed with a mixture of Johnson Space Center (JSC)‐2A + 20 wt% of ilmenite, a common lunar mineral. Samples are characterized regarding their thermal capacity, thermal diffusivity, density, and thermal conductivity. Furthermore, sample morphology is studied using scanning electron microscopy. Lastly, processing of regolith for lunar thermal energy storage is discussed.
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Pressing regolith powder before sintering in vacuum did not influence the density of the final part, while it reduced the density in ambient sintered parts.
“pressing regolith powder before sintering in vacuum did not influence the density of the final part, while it reduced the density in ambient sintered parts.”
From A comprehensive review of lunar-based manufacturing and construction (2024) · cites this paper as [322]
Section 4.1 (Density) says pressed samples had higher densities than non-pressed samples regardless of sintering conditions. Table 1 reports 2.51 versus 2.42 g/cm³ under vacuum and 2.41 versus 2.30 g/cm³ under ambient conditions, with the pressed sample higher in both comparisons. (LLM, conf=0.90)
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A comprehensive review of lunar-based manufacturing and construction
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- Authors
- Fateri, M., Sottong, R., Kolbe, M., Gamer, J., Sperl, M., & Cowley, A.
- Affiliations
- Deutsches Zentrum für Luft- und Raumfahrt e. V. (DLR) (DE)
- European Astronaut Centre (DE)
- Corresponding author
- Fateri, Miranda
- Venue
- International Journal of Applied Ceramic Technology
- Publisher
- Wiley
- Published
- 2019-05-14
- Volume
- 16
- Issue
- 6
- Pages
- 2419-2428
- ISSN
- 1546-542X (ISSN-L)
- 1744-7402
- OpenAlex
- W2943459740
- Cited by
- 58
- References
- 18
- Citations by year
- 2026: 11 · 2025: 20 · 2024: 11 · 2023: 4 · 2022: 8 · 2021: 3 · 2020: 1
- FWCI
- 1.60
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- International Journal of Applied Ceramic Technology (publishedVersion)
- elib (German Aerospace Center) (acceptedVersion)
- OPUS (Aalen University) (submittedVersion)
- Funders
- European Space Agency
- Topics
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Planetary Science and Exploration
- Physical Sciences › Engineering › Mechanical Engineering › Phase Change Materials Research
- Physical Sciences › Engineering › Aerospace Engineering › Spacecraft Design and Technology
- Keywords
- lunar regolith simulant, thermal properties, thermal conductivity, thermal diffusivity, specific heat, vacuum sintering, laser processing, microwave processing, ilmenite, morphology (materials science)
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