Statistics – Applications
Scientific paper
Jan 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998sp98.conf..266s&link_type=abstract
Space 98, Proceedings of the Sixth International Conference and Exposition on Engineering, Construction, and Operations in Space
Statistics
Applications
Alloys, Microgravity, Liquid Metals, Lunar Bases, Mars Bases, Microstructure, Solidification, Gravitation, Fabrication
Scientific paper
Current plans for practical missions leading to a sustained human presence on our Moon and Mars rely on utilizing their in situ resources. Initially, resource availability must be assessed followed by the development of economically acceptable and technically feasible extractive processes. In regard to metals processing and fabrication, the lower gravity level on the Moon (0.125 g) and Mars (0.369 g) will dramatically change the presently accepted hierarchy of materials in terms of specific properties, a factor which must be understood and exploited. Furthermore, significant changes are expected in the behavior of liquid metals during processing. In metal casting, for example, mold filling and associated solidification processes have to be reevaluated. Finally, microstructural development and therefore material properties, presently being documented through ongoing research in microgravity science and applications, needs to be understood and scaled to the reduced gravity environments. These and other issues are addressed in this paper.
Curreri Peter A.
Grugel Richard N.
Stefanescu Doru M.
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