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Space Environment Durability Polymer Thin Films

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Research Projects

  • Solar array blankets
  • Multi-layer insulation
  • Inflatable spacecraft materials
  • Polymer membrane materials

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Description

  • Determine tensile properties for thin polymeric materials.
  • Sensotec model 11 load cell with ±5mv linear output in 0-5lb. force range (tension or compression).
  • Samples being tested have the standard "dog bone" tensile specimen shape (ASTM 638/95 Type V).
  • Maximum rate of stretch is 50mm/sec.
  • Minimum rate of stretch is 0.125mm/sec.
  • Computer controlled automated test operation.
  • 1 kHz computer sampling frequency.
[Diagram of typical dog-bone shape with dimensions]

[Drawing of test setup]

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Report Generation

  • ASCII file created for report generation
  • Description of sample
  • Stress vs strain results (data file for plotting in excel)
  • Max stress
  • Max force
  • Grip displacement at max stress.
  • % Change in Grip Distance at Max Stress.
  • Break Point Grip Displacement.
  • % Change in grip distance at break point.

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Curator:  Sandra.A.Zolo@nasa.gov and NASA Official Responsible For Content: Aloysius.F.Hepp@grc.nasa.gov
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Last Updated: 06/30/2008