MISSE MAPTIS Update​ (MISSEMAPTIS-TASK)

The Materials and Processes Technical Information Service (MAPTIS), located at maptis.nasa.gov, includes a database of the Materials International Space Station Experiment (MISSE) results.  This database with well over one thousand sample records has valuable information such as beginning of life and end of life optical properties used in thermal modeling and atomic oxygen erosion yield.  It currently only has data for MISSEs 1 through 8.  This effort is to update the MISSE in MAPTIS database as much as possible with the more recent MISSE flights utilizing the Materials International Space Station Experiment Flight Facility (MISSE-FF), a commercial platform for materials experiments, up through MISSE-18.  Personnel at Marshall Space Flight Center, Glenn Research Center, and Langley Research Center are cooperating in this effort.  The investigators have flown multiple experiments and have previously worked with the MAPTIS database curators to create appropriate records. The investigators will provide preflight and postflight data, which may include mass changes, optical property changes, mechanical property changes, electrical conductivity or static-dissipative property changes, normal light photos to document visual changes, black light photos to document fluorescence shifts, and other data of interest to spacecraft designers.  If the material did not survive the flight, that shall be noted.  If the material results are proprietary or export-controlled, that shall be noted.  More recent results from MISSEs 1 through 8 shall also be included.   This also promotes use of the other data in MAPTIS, such as outgassing, offgassing, toxicity, flammability, fluid compatibility, and sensitive optics compatibility testing results for a variety of materials.

​Because of the variety of materials flown on MISSE, this effort supports multiple strategic goals.  Both passive and active thermal management systems will benefit from the beginning-of-life and end-of-life thermo-optical properties.  Additively manufactured materials flown on MISSE include samples of on-demand manufacturing of metals, electronic components, recycling, and reuse.  Data provided can assist in cryogenic fluid management systems.  Materials for advanced propulsion, including superalloys, high temperature materials for engines and heatshields, solar cells, solar sail materials, and reaction control devices have been flown. The MISSE in MAPTIS database also points to which materials need further testing for durability in higher radiation environments, as low Earth orbit is fairly low in radiation dose compared to lunar, Mars, and deep space exploration missions.  The MISSE in MAPTIS database also assists in materials substitutions where perfluoroalkyl substances (PFAS) have been eliminated, phased out due to regulations, discontinued by the manufacturer, or are otherwise obsolescent.

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