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Development of near-zero water consumption cement materials via the geopolymerization of tektites and its implication for lunar construction

机译：陨石的地聚作用开发零耗水水泥材料及其对月球建设的启示

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The environment on the lunar surface poses some difficult challenges to building long-term lunar bases; therefore, scientists and engineers have proposed the creation of habitats using lunar building materials. These materials must meet the following conditions: be resistant to severe lunar temperature cycles, be stable in a vacuum environment, have minimal water requirements, and be sourced from local Moon materials. Therefore, the preparation of lunar building materials that use lunar resources is preferred. Here, we present a potential lunar cement material that was fabricated using tektite powder and a sodium hydroxide activator and is based on geopolymer technology. Geopolymer materials have the following properties: approximately zero water consumption, resistance to high- and low-temperature cycling, vacuum stability and good mechanical properties. Although the tektite powder is not equivalent to lunar soil, we speculate that the alkali activated activity of lunar soil will be higher than that of tektite because of its low Si/Al composition ratio. This assumption is based on the tektite geopolymerization research and associated references. In summary, this study provides a feasible approach for developing lunar cement materials using a possible water recycling system based on geopolymer technology.
机译：月球表面的环境对建立长期的月球基地提出了一些艰巨的挑战。因此，科学家和工程师提出了使用月球建筑材料创建栖息地的提议。这些材料必须满足以下条件：耐严酷的月球温度周期，在真空环境中稳定，对水的需求最少，并来自当地的Moon材料。因此，首选使用月球资源的月球建筑材料。在这里，我们介绍了一种潜在的月水泥材料，该材料是使用钛铁矿粉和氢氧化钠活化剂制造的，并且是基于地质聚合物技术的。地质聚合物材料具有以下特性：零耗水量，耐高温和低温循环，真空稳定性和良好的机械性能。尽管该陨石粉末不等同于月球土壤，但我们推测由于其低的Si / Al组成比，月球土壤的碱活化活性将高于该陨石。该假设基于tektite地聚研究和相关参考文献。总而言之，本研究提供了一种可能的方法，该方法可使用基于地质聚合物技术的可能的水循环系统开发月球水泥材料。

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