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Carbon fiber raw strength vs laminates

  1. May 27, 2013 #1
    If raw carbon fiber has strength of say 4000 mpa, how come it is reduced when put in epoxy laminate to become only 950 mpa?
     
  2. jcsd
  3. Jun 5, 2013 #2
    Maybe because unreiforced cured epoxy resin is not as strong as the carbon fiber, usually it has flexural or compressive strength 125- 140MPa (commercially avail.) When the epoxy is reinforced with less than 4% of carbon fibers the strength of the composite will be increased in comparison to the epoxy but will not be able to reach the carbon fiber's strength.
    Hope this helps.
     
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