Work Hardening Sheet Metal

It is both a problem for and an asset to anyone who has to repair sheet metal.

Work hardening sheet metal.

As it moves through the rollers and is compressed the metal grains are deformed. Work hardening in metallurgy increase in hardness of a metal induced deliberately or accidentally by hammering rolling drawing or other physical processes. The phenomenon of work hardening is critical in the design and fabrication of sheet metal automobile panels. Many jewelry makers have felt the effects of work hardening.

The breakage is not due to bad metal sheet it has just been work hardened by too much movement. Although the first few deformations imposed on metal by such treatment weaken it its strength is increased by continued deformations. Cold rolling is the most common method of work hardening. The asset is that the areas where dies have deformed sheet metal from its original flat state provide much of the necessary panel strength in body design.

Then the bending moment versus tension has been plotted. Many non brittle metals with a reasonably high melting. The model has been used to describe the effect of tension force on the bending moment in a linear elastic work hardening sheet material. Examples of cold rolled products include steel sheets strips bars and rods.

This strengthening occurs because of dislocation movements and dislocation generation within the crystal structure of the material. Work hardening also known as strain hardening is the strengthening of a metal or polymer by plastic deformation work hardening may be desirable undesirable or inconsequential depending on the context.