Cracking the Core: Euro-Composites Crossword

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Across
  1. 6. Primary industry using lightweight sandwich panels
  2. 9. Luxembourg-based manufacturer known for aerospace honeycomb and panels
  3. 11. Material made by combining two or more constituents
  4. 14. The lightweight central layer in a sandwich panel
  5. 15. Panel type with face sheets and a lightweight core
  6. 17. Single layer/orientation within a laminate
  7. 18. High-strength aramid fiber often used in impact areas
  8. 20. Elemental backbone of many high-performance fibers
  9. 21. Chemical process that hardens the matrix
Down
  1. 1. Polymer matrix that hardens during cure
  2. 2. Fiber fabric pre-impregnated with resin
  3. 3. Stack of plies forming a composite panel
  4. 4. Reinforcement type made from glass filaments
  5. 5. Pressurized, heated vessel used for curing laminates
  6. 7. Common thermoset matrix used with carbon fiber
  7. 8. Common aramid paper used for honeycomb cores
  8. 10. Process of adhering skins to core
  9. 12. Hexagonal core structure used for lightweight stiffness
  10. 13. Mass per unit volume—key for core selection
  11. 16. Smallest repeating void in a honeycomb
  12. 19. Process of arranging plies/orientation before cure