Term

Description

billet

A semi-finished, cogged, hot-rolled, or continuous-cast metal product of uniform section, usually rectangular with radiused corners.

die

The metal blocks into which forging impressions are machined and from which forgings are produced.

forging

The process of working metal to a desired shape by impact or pressure in hammers, forging machines (upsetters), presses, rolls, and related forming equipment.

plane of symmetry

A two-dimensional flat surface that divides a three-dimensional object into two mirror-image (symmetrical) surfaces.

strain

The total deformation of a material under stress.

stress

The force applied to a unit area of material.

stress/strain curve

The plot of stress versus strain, which indicates how a material behaves structurally.

workpiece

See billet