Cold press sintering of simulated lunar basalt

Computer Science

Scientific paper

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Basalt, Cold Pressing, Compressibility, Concretes, Heat Treatment, Lunar Bases, Lunar Construction Equipment, Lunar Rocks, Regolith, Sintering, Space Processing, Electric Furnaces, High Pressure, Room Temperature

Scientific paper

In order to predict the conditions for which the lunar regolith may be adequately sintered, experiments were conducted in which samples of simulated lunar basalt (MLS-1) were pressed at high pressures and then heated in an electric furnace. This sintering process may be referred to as cold press sintering since the material is pressed at room temperature. Although test articles were produced which possessed compressive strengths comparable to that of terrestrial concrete, the cold press sintering process requires very high press pressures and sintering temperatures in order to achieve that strength. Additionally, the prospect of poor internal heat transfer adversely affecting the quality of sintered lunar material is a major concern. Therefore, it is concluded that cold press sintering will most likely be undesirable for the production of lunar construction materials.

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