Transactions of Nonferrous Metals Society of China The Chinese Journal of Nonferrous Metals

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Transactions of Nonferrous Metals Society of China

Vol. 30    No. 1    January 2020

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Preparation and characterization of Martian soil simulant NEU Mars-1
Jin-zhao GUAN1, Ai-min LIU1, Kai-yu XIE1, Zhong-ning SHI2, Blanka KUBIKOVA3

1. Key Laboratory for Ecological Metallurgy of Multimetallic Mineral (Ministry of Education), Northeastern University, Shenyang 110819, China;
2. State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang 110819, China;
3. Institute of Inorganic Chemistry, Slovak Academy of Sciences, Bratislava 84536, Slovakia

Abstract:To develop Martian soil simulant, basalts of the Chahar volcanic group in Wulanchabu, Inner Mongolia, China were selected as the simulant initial materials, which were ground and sorted to a predetermined particle size ratio, and small amounts of magnetite and hematite were added. The main phases of NEU Mars-1 simulant were plagioclase, augite and olivine. The glass transition and crystallization temperatures of NEU Mars-1 were 547.8 and 795.7 °C, respectively. The complex dielectric constant, magnetic conductivity (0.99-1.045), and dielectric loss tangent angles (0.0025-0.030) of NEU Mars-1 were all stable in the frequency range of 2-18 GHz. Mossbauer spectroscopy results showed that the mass ratio of Fe2+ to Fe3+ in the simulant was 77.6:22.4. The NEU Mars-1 Martian soil simulant demonstrated particle size ratio, chemical composition, phase composition, thermal stability, and dielectric property similar to Martian soil, and can be used as the substitute material to extract oxygen and metals with in-situ resource utilization technologies.


Key words: Martian soil; stimulant; volcanic rock; basalt; in-situ resource utilization

ISSN 1004-0609
CN 43-1238/TG

ISSN 1003-6326
CN 43-1239/TG

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