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Modern Material Science And Engineering 3
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Modern Material Science And Engineering 3
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25 Questions

1. Resins used as matrixes in composite materials that are more expensive than polyester resin but provide improved mechanical properties and exceptional environmental resistance

2. Ceramics - high performance polymers - metals - or carbon fibers

3. Condition in which the fibers in a matrix offer essentially no reinforcing benefit to the matrix when a load is applied in the transverse direction causing both to experience essentially the same strain

4. Aggregate particles with a diameter less than 0.25 inches

5. Process in which bits of chopped up fibers are mixed or blown into the matrix material along with any curing agents - accelerators - diluents - fillers - or pigmnets - in order to form a simple choped fiber composite

6. Substance added to epoxy resin to cause it to cross link the hardener becomes incorporated in the resulting polymer

7. Process of creating more complicated shapes of fiber- inforced composites into desired shape

8. Most economical choice for matrix material in composite in situations where the mechanic properties of the matrix are not crucial to the application

9. Larger number of single fiber strands wound in parallel

10. Fiber bundle already impregnated with matrix material which can be converted into a composite without any additional processing

11. Composite in which the one material forms the outer matrix and transfers any loads applied to the stronger more brittle materials

12. Material formed by blending two materials in distinct phases causing a new material with different properties from either parent

13. Process often used to create uniaxial fiber inforced composites

14. Uniaxial (along the load) - randomly oriented chopped fibers - complex two- dimensional or three- dimensional woven mats

15. Material in a composite that protects - orients - and transfers load to the reinforcing material

16. Withstand significant tensile loads in the longitudinal direction

17. Process of creating prepregs by dipping fibers into a resin bath and heating them sligtly to ensure that the coatin sticks

18. Device capable of continuously pulling filaments from multiple different rovings without stopping the process

19. Addition of ceramic fibes to a matrix of different ceramic material to significantly increase the fracture toughness of the composite

20. Composite materials produced with at least one phase that is a composite itself

21. Composites that are made by alternating the layering of different materials bonded to each other

22. Polymeric matrix material that combines the economic advantages of polyester resins and the exceptional properties of epoxy resins

23. Process in which hydroxy apatite becomes part of the growing bone matrix

24. Hardening or toughening of a polymer material through a cross linking of polymer chains

25. Process of converting mats or weaves into composites through using a mold in which the mat is placed and jnjected with resin at a high enough pressure to permeate and surround the woven mat

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