The geometric center of an area.

(a)  

A material made of multiple layers of fibers held together with a

matrix.

(a)  

When a material is reduced in volume by the application of

pressure; the reciprocal of the bulk modulus.

(a)  

A surface or shape exposed by making a straight cut through

something at right angles to the axis.

(a)  

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.

(a)  

The amount of plasticity that precedes failure.

(a)  

Condition caused by collapse, break, or bending, so that a

structure or structural element can no longer fulfill its purpose.

(a)  

The loss of the load-bearing ability of a material under repeated

load application, as opposed to a single load.

(a)  

A broad ridge or pair of ridges projecting at a right angle from

the edge of a structural shape in order to strengthen or stiffen it.

(a)  

The way a material responds to specific machining techniques.

(a)  

The ratio of the increment of some specified form of stress to

the increment of some specified form of strain, such as

Young’s modulus, the bulk modulus, or the shear modulus.

(a)  

A mathematical property of a cross section that is concerned

with a surface area and how that area is distributed about a

centroidal axis.

(a)  

A mechanical property of a material that shows how effective

the material is absorbing mechanical energy without sustaining

any permanent damage.

(a)  

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.

(a)  

The ability of a material to resist deflection or stretching.

(a)  

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

(a)  

The force acting across a unit area in a solid material resisting

the separation, compacting, or sliding that tends to be induced

by external forces.

(a)  

Something made up of interdependent parts in a definite

pattern of organization, such as trusses, frames, or machines.

(a)  

The condition of a string, wire, or rod that is stretched between

two points.

(a)  

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

(a)