Inorganic–organic hybrid of lunar soil simulant and polyethylene
Abstract
Inorganic–organic hybrid (IOH) lunar cements are processed by using a lunar soil simulant and polyethylene (PE). As the inorganic simulant grains are strongly held together by the PE binder, the IOH may be utilized as an infrastructural material on the lunar surface. With a uniform simulant grain size, the flexural strength of the IOH decreases exponentially with the binder content, quite close to the strength of samples of random simulant grain-size distribution. If the simulant grains have a two-step size gradation, the IOH strength increases significantly. Above a threshold binder content, the strength decreases only slightly as more simulant grains are added; below the threshold, the IOH becomes much weaker as less binder is used.
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Using different sizes of aggregates, smaller particles fill free spaces between bigger particles, leading to a lower amount of binder required and improved mechanical properties.
“It has been proved that using different sizes of aggregates, smaller particles fill the free spaces between bigger particles, leading to a lower amount of binder required and improved mechanical properties.”
From A comprehensive review of lunar-based manufacturing and construction (2024) · cites this paper as [360]
In the two-grain size system, a threshold was observed around 10-15 wt% of PE, above which strength was almost insensitive to PE content, and below that, it significantly decreased as binder content reduced.
“It is worth mentioning that in the twograin size system, a threshold was observed around 10-15 wt% of PE, above which the strength was almost insensitive to the PE content, and below that, it significantly decreased as the binder content reduced.”
From A comprehensive review of lunar-based manufacturing and construction (2024) · cites this paper as [360]
The addition of smaller particle sizes in the two-grain size particles revealed their enhancing effect on the structural integrity of the composite and mechanical performance.
“However, the addition of smaller particle sizes in the two-grain size particles revealed their enhancing effect on the structural integrity of the composite and, thus, the mechanical performance.”
From A comprehensive review of lunar-based manufacturing and construction (2024) · cites this paper as [360]
Flexural strength results showed an exponential decrease as PE content was reduced in the system.
“The flexural strength results showed an exponential decrease as the PE content was reduced in the system.”
From A comprehensive review of lunar-based manufacturing and construction (2024) · cites this paper as [360]
No specific effect of using a uniform size of regolith on the mechanical properties was observed compared to using as-received agglomerates.
“No specific effect of using a uniform size of regolith on the mechanical properties was observed compared to using as-received agglomerates.”
From A comprehensive review of lunar-based manufacturing and construction (2024) · cites this paper as [360]
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A comprehensive review of lunar-based manufacturing and construction
Azami, M., Kazemi, Z., Moazen, S., Dubé, M., Potvin, M.-J., & Skonieczny, K. (2024) · Progress in Aerospace Sciences · doi:10.1016/j.paerosci.2024.101045 · Cited by 57 · see citing works
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Self-citationUltralow-binder-content thermoplastic composites based on lunar soil simulant
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Self-citationHigh-pressure densification of composite lunar cement
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Self-citation
- Authors
- Chen, T., Chow, B. J., Wang, M., Shi, Y., Zhao, C., & Qiao, Y.
- Affiliations
- University of California San Diego (US)
- Corresponding author
- Qiao, Yu
- Venue
- Journal of Materials in Civil Engineering
- Published
- 2016-04
- Volume
- 28
- Issue
- 4
- ISSN
- 0899-1561 (ISSN-L)
- 1943-5533
- OpenAlex
- W1906137037
- Cited by
- 24
- References
- 11
- Citations by year
- 2026: 2 · 2025: 3 · 2024: 6 · 2023: 2 · 2022: 2 · 2021: 1 · 2020: 2 · 2019: 3 · 2017: 3
- FWCI
- 1.65
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Materials in Civil Engineering (publishedVersion)
- Topics
- Physical Sciences › Engineering › Civil and Structural Engineering › Geotechnical Engineering and Soil Stabilization
- Physical Sciences › Engineering › Building and Construction › Innovations in Concrete and Construction Materials
- Physical Sciences › Engineering › Civil and Structural Engineering › Soil Mechanics and Vehicle Dynamics
- Keywords
- organic-inorganic hybrid materials, lunar regolith simulant, polyethylene binder, flexural strength, binder content, lunar regolith
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