C. He, P. Junge, R. Kleba-Ehrhardt, O. Goerke, C. Rupprecht, A. Gurlo, D. Karl | 2025 | Acta Astronautica
DOI 10.1016/j.actaastro.2025.07.054Review state
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This paper investigates the spray drying of Martian regolith simulant MGS-1 to improve powder flowability for in-situ manufacturing. The study reports on the preparation of MGS-1/clay granulates with a median size of 90 µm and enhanced flowability suitable for additive manufacturing. The granulates were tested for phase transition and microstructure under atmospheric plasma spray conditions. This paper presents a novel approach to enhance the usability of Martian regolith for in-situ resource utilization (ISRU) by developing a method to improve its flowability and workability through a process called spray drying. The study focuses on the transformation of raw regolith into a more manageable form suitable for construction and other applications. The research is supported by the China Scholarship Council and involves collaboration with institutions such as TU Berlin. The paper also discusses the broader context of lunar and Martian exploration, emphasizing the importance of ISRU in establishing sustainable human presence on these celestial bodies. The provided text appears to be a list of image URLs and metadata, likely from a scientific or technical publication, possibly related to
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Spray Drying of Martian Regolith Simulant
Material Processing
gr1
High-resolution image
gr2
High-resolution image
gr3
High-resolution image
gr4
High-resolution image
gr5
High-resolution image
gr6
High-resolution image
gr7
High-resolution image
Thermal Stability
High
Chemical Composition
Martian Regolith-like
Identifier
gr
Flowability
improved via spray drying
Viscosity
adjusted via clay mineral content
Sinterability
improved via clay mineral content
Rheological behavior
varies with time and environment
Viscosity
820.18 mPa s mPa s