RESEARCHERS GO TO SPACE TO CONDUCT MATERIAL PROPERTY MEASUREMENTS THAT ARE REQUIRED TO MODEL TERRESTRIAL MANUFACTURING PROCESSES TO PROVIDE HIGHER PERFORMANCE AND DISCOVER NEW MATERIALS TO MAKE PEOPLE S LIVES BETTER AROUND THE WORLD. WE JUSTIFY THE EXPENSE OF DOING TESTS IN MICROGRAVITY BY CONCENTRATING ON THOSE MATERIALS WHICH ARE IMPOSSIBLE TO EVALUATE ON EARTH OR HAVE PROPERTIES THAT CAN ONLY BE MEASURED WITH HIGHER PRECISION WHEN GRAVITATIONAL ACCELERATIONS ARE MINIMIZED. WE KNOW WE GET BETTER RESULTS BUT WE DO NOT YET KNOW HOW MUCH BETTER. THE JAXA ELECTROSTATIC LEVITATION FURNACE WAS DESIGNED TO PROCESS HIGH TEMPERATURE OXIDES BUT IT CAN BE READILY ADAPTED TO ALLOW TESTING OF INDUSTRIALLY IMPORTANT METALS AND ALLOYS AS WELL. BY SELECTING MATERIALS THAT ARE ALREADY BEING PROCESSED USING ANOTHER TECHNIQUE THE ESA ELECTROMAGNETIC LEVITATION FACILITY ON THE ISS THESE TWO FACILITIES CAN BE COMPARED SO THAT RESEARCHERS KNOW THEIR RELATIVE STRENGTHS SUCH THAT THEY MAY COMPLEMENT EACH OTHER TO MAXIMIZE SCIENCE OUTPUT FROM SPACE TESTS. OUR OBJECTIVES ARE TO CONDUCT SPACE EXPERIMENTS TO COMPARE TO GROUND RESULTS ON A BASELINE MATERIAL SET AND TO MODEL THE INFLUENCE OF GRAVITY ON MEASUREMENT TECHNIQUES BY VARIOUS RESEARCH GROUPS ACROSS THE WORLD. OUR APPROACH IS TO EMPLOY ROUND ROBIN TESTING BY MULTIPLE RESEARCHERS ON THE SAME MATERIAL USING DIFFERENT TECHNIQUES ON DIFFERENT FACILITIES WITH DIFFERENT ANALYSIS PROTOCOLS TO COMPARE RESULTS. THE SIGNIFICANCE OF THIS WORK IS THAT WE WILL THEN KNOW THE RELATIVE INCREASE IN MEASUREMENT FIDELITY AND WHICH MATERIAL WORKS BEST IN WHICH FACILITY TO EFFICIENTLY USE THE LIMITED AVAILABLE SPACE SCIENCES RESOURCES SUCH AS LAUNCH COST CREW TIME AND TELEMETRY BANDWIDTH.
$564,997FY2017National Aeronautics and Space AdministrationNASA
Trustees Of Tufts College, New York MA