Regolith sintering is a process that uses high-power lasers to heat and fuse the fine, granular material found on the lunar surface (regolith) into solid structures. This method can be used for constructing habitats or other infrastructure on the Moon.
It addresses the challenge of constructing durable infrastructure on the Moon using local materials without the need for transporting heavy construction materials from Earth.
High-powered lasers are directed at layers of regolith, which is heated to a temperature where its particles melt and then re-solidify, forming a glass-ceramic matrix that binds the particles together into a solid structure. This process can be repeated in layers to build up walls or other structures.
The manufacturing process involves selecting and preparing regolith samples, setting up laser equipment, and applying the sintering technique in a controlled environment. Initial tests are conducted in laboratories before scaling up to space applications.
A layer of regolith is spread out on a platform, then heated by a laser to its melting point. The material cools and solidifies into a fused layer. This process is repeated until the desired structure is built.
Field units draw low hundreds of watts; fabrication is energy-intensive due to vacuum baking.
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