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Factors Affecting the Utilization of the International Space Station for Research in the Biological and Physical Sciences
TABLE 2.1 Flight Investigations Eliminated in the Core Complete ISS—Materials Science
Fundamental study of crystal growth in microporous materials
P. Dutta
Ohio State University
Evolution of local microstructures: spatial instabilities of coarsening clusters
M. Glicksman
Rensselaer Polytechnic Institute
Physical properties and processing of undercooled metallic glass-forming liquids
W.L. Johnson
California Institute of Technology
Transient dendritic solidification experiment
M. Koss
College of the Holy Cross
Diffusion processes in molten semiconductors
D.H. Matthiesen
Case Western Reserve University
Space- and ground-based crystal growth using a baffle
A. Ostrogorsky
University of Alabama, Huntsville
Dynamical selection of three-dimensional interfacial patterns in directional solidification
R. Trivedi
Iowa State University
Crystal growth of ZnSe and related ternary compound semiconductors by vapor transport
C.H. Su
Marshall Space Flight Center
Microgravity studies of liquid-liquid phase transitions in undercooled alumina-yttria melts
R. Weber
Containerless Research, Inc.
Defect formation during melt growth of electro-optical single crystals
A.F. Witt
Massachusetts Institute of Technology
SOURCE: Wargo (2002).
probably represents optimal restructuring for the ISS materials science program given the overall budget cuts in ISS research.
This drastic curtailment is having a negative effect on the materials community, since the restructured ISS is not able to accommodate current and future PIs of approved proposals. In the absence of a modern laboratory for cutting-edge materials research in an extraterrestrial environment, the ISS will fail to fulfill one of its primary objectives in the materials research field. In turn, materials researchers will have little or no alternative but to abandon NASA and fields of study dependent on flight opportunities and pursue careers elsewhere.
Note also that NASA’s Commercial Furnace Module cannot be used for those materials science experiments currently selected, as its capabilities do not satisfy space and power requirements.
All the experiments in the MSRR1 are fully automated and can be run from the ground. Sample exchange is accomplished manually and is projected to take 1-1.5 hours per exchange (Wargo, 2002). Similarly, in the MSG, the experiments are semiautomated once the samples are in the facility and instructions are preprogrammed into the apparatus. The EML will be run from the ground, but sample exchange, pumping, and
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