Deformation (mechanics)

methods of calculating displacements, stresses, and strains in deformable bodies

transformation of a body from a reference configuration to a current configuration

geological structure

thumb|Tensile test of an Aluminium–magnesium–silicon alloys|Al-Mg-Si alloy. The local necking and the cup and cone fracture surfaces are typical for ductile metals. thumb|This tensile test of a Ductile iron|nodular cast iron demonstrates low ductility.

property of materials

physical property that measures the stiffness of an elastic material

the tendency of a solid material to move slowly or deform permanently

thumb|right|Bending of an -beam

Form of body alteration

phenomenon of deformation due to structural stress

A monocline (or, rarely, a monoform) is a step-like fold in rock strata consisting of a zone of steeper dip within an otherwise horizontal or gently dipping sequence.

relative change of length with respect the original length

In engineering, any changes in the shape or size of an object

a deviation from flatness in timber as a result of stresses and uneven shrinkage

thumb|Crazes in polystyrene (PS) Crazing is a yielding mechanism in polymers characterized by the formation of a fine network of microvoids and fibrils. These structures (known as crazes) typically appear as linear features and frequently precede brittle fracture. The fundamental difference between crazes and cracks is that crazes contain polymer fibrils (5-30 nm in diameter), constituting about 50% of their volume, whereas cracks do not. Unlike cracks, crazes can transmit load between their two faces through these fibrils.

in geology, the response of a rock to deformation usually by compressive stress