R. P. Wilkerson, M. P. Petkov, G. E. Voecks, C. S. Lynch, H. S. Shulman, S. Sundaramoorthy, A. Choudhury, D. L. Rickman, M. R. Effinger | 2023 | Icarus
DOI 10.1016/j.icarus.2023.115577Review state
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This paper investigates the outgassing behavior of JSC-1A lunar regolith simulant under various thermal conditions and evaluates heat treatment optimization to reduce non-lunar contaminants. The study highlights the presence of water, carbon dioxide, and sulfur dioxide emissions at elevated temperatures, with hydrogen exposure altering gas evolution to resemble lunar-like behavior. The paper discusses the development and characterization of a lunar regolith simulant, JSC-1a, for use in space exploration and planetary science research. It covers the physical and chemical properties of the simulant, its applications in testing equipment and materials for lunar missions, and its role in simulating the lunar surface for experiments and training. The study emphasizes the importance of accurate simulant representation for understanding the behavior of materials and systems in the lunar environment. This paper investigates the outgassing behavior and heat treatment optimization of JSC-1A lunar regolith simulant. It reports TG-MS analysis, Mssbauer spectroscopy, XRD, and TG experiments to study gas evolution, phase changes, and structural modifications under various heating conditions. Thi
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Phase analysis
phase analysis
TG-MS analysis
thermal gravimetric analysis
XRD analysis
diffraction analysis
TGA-MS profiles
thermal analysis
Destructive carbon and sulfur analysis
chemical analysis
M ssbauer spectrum analysis
spectroscopic analysis
Gas environment impact study
thermal analysis
Sulfur and carbon content analysis
chemical analysis
outgassing behavior
emission of water, carbon dioxide, and sulfur dioxide at elevated temperatures
hydrogen exposure
alters gas evolution to resemble lunar-like behavior
particle size distribution
fractional and cumulative distribution
Carbon content
0.025 wt%
Sulfur content
0.010 wt%
Fe2+ content
present in olivine and clinopyroxene
Fe3+ content
present in amorphous and spinel-type Fe-chromite
Oxidation state
Fe2+ and Fe3+