Researchers create lunar regolith bricks that could be used to construct Artemis base camp

Researchers create lunar regolith bricks that could be used to construct Artemis base camp
Credit: Ceramics International (2022). DOI: 10.1016/j.ceramint.2022.07.329

As part of NASA's Artemis program to establish a long-term presence on the moon, it aims to build an Artemis base camp that includes a modern lunar cabin, rover and mobile home. This fixed habitat could potentially be constructed with bricks made of lunar regolith and saltwater, thanks to a recent discovery from a team of UCF researchers.

Associate Professor Ranajay Ghosh of UCF's Department of Mechanical and Aerospace Engineering and his research group found that 3D-printed bricks of can withstand the extreme environments of space and are a good candidate for cosmic construction projects. Lunar regolith is the loose dust, rocks and materials that cover the moon's surface.

The results of their experiments are detailed in a recent issue of Ceramics International.

To create the bricks, Ghosh's team in the Complex Structures and Mechanics of Solids (COSMOS) Lab used a combination of 3D printing and binder jet technology (BJT), an additive manufacturing method that forces out a liquid binding agent onto a bed of powder. In Ghosh's experiments, the binding agent was saltwater, and the powder was regolith made by UCF's Exolith Lab.

UCF Mechanical and Aerospace Engineering Associate Professor Ranajay Ghosh and graduate research assistant Peter Warren explain the process they used to create cylindrical bricks using simulated lunar and Martian regolith. Credit: University of Central Florida

"BJT is uniquely suitable for ceramic-like materials that are difficult to melt with a laser," Ghosh says. "Therefore, it has great potential for regolith-based extraterrestrial manufacturing in a sustainable way to produce parts, components and construction structures."

The BJT process resulted in weak cylindrical bricks called green parts that were then baked at high temperatures to produce a stronger structure. Bricks baked at crumbled, but those exposed to heat of up to 1200 degrees Celsius were able to withstand pressure of up to 250 million times the Earth's atmosphere.

Ghosh says the work paves a path for the use of BJT in the construction of materials and structures in space. Their findings also demonstrate that off-world structures can be built using resources found in space, which can drastically reduce the need to transport for missions like Artemis.

"This research contributes to the ongoing debate in space exploration community on finding the balance between in-situ extraterrestrial resource utilization versus material transported from Earth," Ghosh says. "The further we develop techniques that utilize the abundance of regolith, the more capability we will have in establishing and expanding base camps on the moon, Mars, and other planets in the future."

More information: Peter Warren et al, Effect of sintering temperature on microstructure and mechanical properties of molded Martian and Lunar regolith, Ceramics International (2022). DOI: 10.1016/j.ceramint.2022.07.329

Citation: Researchers create lunar regolith bricks that could be used to construct Artemis base camp (2022, October 25) retrieved 3 December 2023 from
This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only.

Explore further

Martian rock-metal composite shows potential of 3D printing on Mars


Feedback to editors