AEROSPACE COMPOSITES

1. a pre-shaped fiber reinforcement used in resin infusion
3. a high-strength polymer resin used extensively in areospace applications
6. the general purpose form of fiberglass fibers or fabric
9. the removal of air and excess resin under vacuuum pressure
10. bulk molding compound (abbreviation)
13. resin that has no additives, hardeners, or iniatiators added
14. the structural form of fiberglass fibers or fabric
15. two ro more layers of fiber bound together in a resin matrix
16. the part of a composite that imaprts tensile and flexural structural properties
18. reinforcement fiber made from PAN
19. polymer resin that decreases in viscosity when heated
21. the part of a composite that resists impacts and holds fibers together
23. the separation of plies in a laminate due to damage
24. the smallest unit of a fibrous material
25. a device used to cure composites with pressure and temperature
27. twisted filaments, fibers, or strands used in weaving cloth
29. the cure stage at which frozen prepreg cloth is supplied
31. the response of a structure to stress
32. producing heat as a hardener or iniator is added to a resin
34. a bundle of filaments used as a single unit
35. a compound containg molecules linked to one another in chains
36. twisting stress
37. glass fiber reinforced plastic (abbreviation)
38. the ratio of applied stress to corresponding strain
40. bending stress

1. reinforcement cloth that is impregnated with resin
2. the development of primary bonds between molecule chains in a ploymer
4. the load placed on a structure
5. polymer resin that cannot be made less viscous once cured
7. the overall force applied to a composite structure
8. the force that causes displacement between laminates along their interface
11. the final (cured) stage of a prepreg
12. surface treatment applied to filaments to improve resin bonding
14. the maximum temperature at which a composite retains its structural properties
17. carbon fiber reinforced plastic (abbreviation)
20. abbreviation for the measure of a material's expansion in response to increased temperature
22. vacuum bag layer that allows air circulation to draw off air and volatiles from a composite
26. pulling stress
28. a hardener used with epoxy resins
30. sewn edge on cloth reinforcement that parallels the warp direction and prevents unraveling of the fabric
33. industry term for 4HS fabric
39. lengthwise direction on a roll of fabric that parallels the selvage