用于 ISRU 月球应用的部分非晶质雷公石模拟物的选择性激光熔化

IF 3.1 2区物理与天体物理 Q1 ENGINEERING, AEROSPACE

Acta Astronautica Pub Date : 2024-10-15 DOI:10.1016/j.actaastro.2024.10.024

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引用次数: 0

摘要

随着在月球上建立载人前哨站的想法日益强烈，原地资源利用（ISRU）技术成为满足宇航员需求的当务之急。本文以选择性激光熔融（SLM）技术为基础，探讨了一种将月球碎屑岩用作复杂物体增材制造源材料的方法。本研究以月球残积岩类似物--Basalt of Pic d'Ysson (BPY)--为起点，研究现已证明的粉末床中非晶类似物含量、基质类型和选择性激光熔融（SLM）后退火处理对 3D 打印物体机械性能的影响。本研究建议改进制造和样品提取阶段，以系统地再现所获得的高抗压强度值，从而提高工艺的稳健性和可靠性。

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Selective laser melting of partially amorphous regolith analog for ISRU lunar applications

As the idea of crewed outposts on the Moon gains momentum, In-Situ Resource Utilization (ISRU) technologies tend to become imperative to fulfill astronauts' needs. This article explores a way to use the lunar regolith as a source material for the additive manufacturing of complex objects, based on the selective laser melting (SLM) technique. A lunar regolith analog, Basalt of Pic d’Ysson (BPY), is used as a starting point for this study, to investigate the now demonstrated impact of amorphous analog content in the powder bed, substrate type, and post-SLM annealing treatments on the mechanical properties of 3D-printed objects. Improvements to the manufacturing and sample extraction stages are proposed to systematically reproduce the high compressive strength values obtained, thus contributing to the robustness and reliability of the process.

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来源期刊

Acta Astronautica 工程技术-工程：宇航

CiteScore

7.20

自引率

22.90%

发文量

599

审稿时长

53 days

期刊介绍： Acta Astronautica is sponsored by the International Academy of Astronautics. Content is based on original contributions in all fields of basic, engineering, life and social space sciences and of space technology related to: The peaceful scientific exploration of space, Its exploitation for human welfare and progress, Conception, design, development and operation of space-borne and Earth-based systems, In addition to regular issues, the journal publishes selected proceedings of the annual International Astronautical Congress (IAC), transactions of the IAA and special issues on topics of current interest, such as microgravity, space station technology, geostationary orbits, and space economics. Other subject areas include satellite technology, space transportation and communications, space energy, power and propulsion, astrodynamics, extraterrestrial intelligence and Earth observations.