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Laminate porosity

Laminate porosity is the volume fraction of voids (air and gas bubbles) in a cured composite.

It affects interlaminar strength and fatigue resistance. In an autoclave it is usually below 1%, in good OOA (out-of-autoclave) processes around 1–2%.

Read more: Autoclave.

All terms in the glossary

Related terms

  • Prepreg

    Prepreg is a fibre fabric or tape pre-impregnated with a controlled amount of resin and stored at low temperature.

  • Autoclave

    An autoclave is a pressurised heated chamber in which a laminate under a vacuum bag cures under gas pressure at an elevated temperature.

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