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Aerospace Materials And Properties
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Aerospace Materials And Properties
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20 Questions

1. The force acting across a unit area in a solid material resisting the seperation - compacting - or sliding that tends to be induced by external force.

2. Change in the length of an object in some direction per unit.

3. A mathematical property of a cross section that is concerned with a surface area and how that area is distributed about a centroidal axis.

4. A condition where there are no net external forces acting upon a particle or rigid body and the body remains at rest or continues at a constant velocity.

5. The amount of plasticity that procedes failure.

6. A projection used for strength or for attaching to another object

7. A force with its resultant passing through the centroid of a particular section and being perpendicular to the plane of the section. A force in a direction parallel to the long axis of the structure.

8. Something made up of interdependent parts in a definite pattern of organization - such as trusses - frames - or machines.

9. A mechanical property of a material that shows how effective the material is absorbing mechanical energy without sustaining any permanent damage.

10. A surface or shape exposed by making a straight cut through something at right angles to the axis.

11. Temporary loss of strength and energy resulting from hard physical or mental work

12. Mechanical property of a material that indicates the ability of the material to handle overloading before it fractures.

13. When a material is reduced in volume by the application of pressure; the reciprocal of the bulk modulus.

14. The ability of a material to resist deflection or stretching.

15. The way a material responds to specific machining techniques.

16. The condition of a string - wire - or rod that is stretched between two points.

17. Condition caused by collapse - break - or bending - so that a structure or structural element can no longer fulfill its purpose.

18. The geometric center of an area.

19. A material made of multiple layers of fibers held together with a matrix.

20. Any alteration of shape or dimensions of a body caused by stresses - thermal expansion or contraction - chemical or metallurgical transformations - or shrinkage and expansions due to moisture change.