NASA Photo ID: S89-44170           File Name: 10063729.jpg
  Film Type: 4x5 BW                  Date Taken: 09/11/89
  Title: Cutaway line drawing of STS-34 middeck experiment Polymer Morphology (PM)
  Description:
  Cutaway line drawing shows components of STS-34 middeck experiment Polymer 
  Morphology (PM).  Components include the EAC, heat exchanger, sample cell 
  control (SCC), sample cells, source, interferometer, electronics, carousel 
  drive, infrared (IR) beam, and carousel.  PM, a 3M-developed organic 
  materials processing experiment, is designed to explore the effects of 
  microgravity on polymeric materials as they are processed in space.  The 
  samples of polymeric materials being studied in the PM experiment are thin 
  films (25 microns or less) approximately 25mm in diameter.  The samples are 
  mounted between two infrared transparent windows in a specially designed 
  infrared cell that provides the capability of thermally processing the 
  samples to 200 degrees Celsius with a high degree of thermal control.  The 
  samples are mounted on a carousel that allows them to be positioned, one at
  a  time, in the infrared beam where spectra may be acquired.  The Generic 
  Electronics Module (GEM) provides all carousel and sample cell control 
  (SCC).  The first flight of PM will contain 17 samples.  PM experiment is 
  being conducted by 3M's Space Research and Applications Laboratory.      
  
  Subject terms:
  ATLANTIS (ORBITER)                      
  DRAWINGS                                
  MIDDECK                                 
  POLYMERS                                
  POLYMORPHISM                            
  SPACEBORNE EXPERIMENTS                  
  STS-34                                  
  VISUAL AIDS                             
  

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