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Thermoplastic composite matrices differ from thermosetting ones in that thermoplastics

  • A.Have no glass transition temperature
  • B.They can be reheated and reformed
  • C.Cannot be melted once formed
  • D.Cure by an irreversible chemical reaction

Answer: B

A thermoplastic softens on heating rather than curing irreversibly, which allows welding, reforming and rapid processing. Higher processing temperatures and greater melt viscosity are the trade, along with a shorter service history in primary structure.

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