MEC613 Crossword Puzzle 1

2. The _____ stiffness matrix and indicated by the symbol Q.
4. The axis denoted based on direction 1, 2 and 3.
5. Based on the micromechanical stiffness approach, one of the basic restrictions is that the fiber and matrix should be _____.
7. An example application of a ceramic matrix composite.
8. Direction-1 indicates the direction of the ______.
11. The layup of [0/30/30/0] with equal lamina thickness represents a _____ laminate.
13. A condition signifies that the stress in the third direction could be neglected.
15. The number of independent constants for isotropic material.
17. A material having with 21 independent constants.
18. The main disadvantage of composite material.
19. The deformation of a laminate with the layup of [45/-45] under uniaxial tension.

1. An example material of a metal matrix composite.
3. When the fibers do not align to the x-direction, there is a need to compute the _____ reduced stiffness matrix.
6. The ability of a material to withstand indentation load.
9. A body that has the same material properties in all directions at a point in the body.
10. A material that has the same plane properties in all directions, G4 = G5 = G6.
12. One of the basic steps in performing Finite Element Analysis.
14. A classification of a composite material includes _____ composite.
16. The axis denoted based on direction x, y and z.
18. Two or more materials are combined to form a useful third material.