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Microgravity Materials Processing for Commercial Applications

Published online by Cambridge University Press:  26 February 2011

R. Kohli
Affiliation:
Advanced Materials Center for the Commercial Development of Space, Battelle Columbus Division, 505 King Avenue, Columbus, Ohio 43201-2693
P. L. Brusky
Affiliation:
Advanced Materials Center for the Commercial Development of Space, Battelle Columbus Division, 505 King Avenue, Columbus, Ohio 43201-2693
S. Diamond
Affiliation:
Advanced Materials Center for the Commercial Development of Space, Battelle Columbus Division, 505 King Avenue, Columbus, Ohio 43201-2693
A. J. Markworth
Affiliation:
Advanced Materials Center for the Commercial Development of Space, Battelle Columbus Division, 505 King Avenue, Columbus, Ohio 43201-2693
V. D. McGinniss
Affiliation:
Advanced Materials Center for the Commercial Development of Space, Battelle Columbus Division, 505 King Avenue, Columbus, Ohio 43201-2693
P. J. Melling
Affiliation:
Advanced Materials Center for the Commercial Development of Space, Battelle Columbus Division, 505 King Avenue, Columbus, Ohio 43201-2693
E. D. Spinosa
Affiliation:
Advanced Materials Center for the Commercial Development of Space, Battelle Columbus Division, 505 King Avenue, Columbus, Ohio 43201-2693
E. W. Collings
Affiliation:
Advanced Materials Center for the Commercial Development of Space, Battelle Columbus Division, 505 King Avenue, Columbus, Ohio 43201-2693
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Abstract

Materials processing in a microgravity environment is aimed at developing commercial materials as well as investigating basic phenomena to improve earth-based processing. Materials research in space has dealt with glasses and ceramics, crystal growth, electronic materials, metals and alloys, polymers, composites, and biological materials. Battelle has been conducting research in this area since the early-1970s. Several important results have been obtained in: immiscible alloys, containerless under-cooling of clustering alloys, sol-gel glasses, and collagen fibers.

More recently, Battelle's Advanced Materials Center for the Commercial Development of Space (CCDS) has been established to utilize the microgravity environment in the commercial development of composite and mixed-phase materials with substantially improved properties. Currently, the Center is conducting research in catalysts (variant-phase chlorides, zeolites, and mixed oxides), polymer systems, electronic materials (float-zone crystal growth on Type II-VI semiconductor crystals, particularly CdTe), and con-trolled- porosity glass. The present program focuses on a proof of principle for each research thrust, utilizing ground-based and suborbital facilities, together with modeling to demonstrate the potential for producing commercially important materials.

Each of these research programs is outlined. In addition, the more important developments in each of the major categories of microgravity materials research is reviewed.

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