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Which of these does NOT reduce a composite laminate's design allowable?

  • A.Elevated service temperature
  • B.Raising the fibre volume fraction
  • C.Assumed barely visible impact damage
  • D.Moisture absorption to saturation

Answer: B

A higher fibre fraction raises the fibre-dominated properties rather than lowering them, up to the point where the resin can no longer wet the fibres. The other three are all knock-downs applied in arriving at a design value.

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