Formation of polymer micro-agglomerations in ultralow-binder-content composite based on lunar soil simulant |
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| Authors: | Tzehan Chen Brian J Chow Ying Zhong Meng Wang Rui Kou Yu Qiao |
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| Institution: | 1. Program of Materials Science and Engineering, University of California – San Diego, La Jolla, CA 92093, USA;2. Department of Structural Engineering, University of California – San Diego, La Jolla, CA 92093-0085, USA |
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| Abstract: | We report results from an experiment on high-pressure compaction of lunar soil simulant (LSS) mixed with 2–5?wt% polymer binder. The LSS grains can be strongly held together, forming an inorganic-organic monolith (IOM) with the flexural strength around 30–40?MPa. The compaction pressure, the number of loadings, the binder content, and the compaction duration are important factors. The LSS-based IOM remains strong from ?200?°C to 130?°C, and is quite gas permeable. |
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| Keywords: | Binder content Lunar regolith Structural material In-situ resource utilization |
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