在干燥固化和密封固化下对月球土壤模拟剂的地质聚合实验研究
Jinhui Gu1, Qinyong Ma1,2
1School of Civil Engineering and Architecture, Anhui University of Science and Technology, Huainan 232001, China.
Materials (Basel, Switzerland)
|March 28, 2024
概括
使用模拟月球土壤的地质聚合物混凝土在月球温度下显示出有前途的强度发展. 优化氧化含量和固化方法是有效的月球建设的关键,减少地球运输的材料需求.
科学领域:
- 材料科学 材料科学 材料科学
- 地质技术工程 地质技术工程
- 太空工程 太空工程
背景情况:
- 月球基础设施的发展需要利用现场资源.
- 有效的月球表面运输依赖于坚固的施工方法.
- 地质聚合物为外星建筑材料提供了一个潜在的解决方案.
研究的目的:
- 在月球温度条件下的模拟月球土壤制成的地质聚合物压力强度的研究.
- 为了确定地质聚合物强度的最佳氧化 (NaOH) 含量.
- 为了比较干固化与密封固化的对地质聚合物强度的影响.
主要方法:
- 使用模拟的月球 regolith 和不同的 NaOH 度制备地质聚合物.
- 在模拟的高温月球条件下 (52.7°C至76.3°C) 固化地质聚合物.
- 在干燥和密封的固化环境下72小时后测试压力强度.
主要成果:
- 地质聚合物在52.7°C至76.3°C的月球温度范围内有效固化.
- 最大72小时的压力强度达到6.31 MPa (密封固化,8% NaOH) 和6.87 MPa (干燥固化,12% NaOH).
- 显微镜分析显示凝形成和结晶结构增强地质聚合物的完整性.
结论:
- 月球温度范围适合地质聚合物固化.
- 优化的NaOH含量和固化方法显著提高了地质聚合物在月球应用中的强度.
- 利用月球土壤生产地质聚合物可以大大降低从地球运输到月球基地建设的材料的成本和质量.
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