Unit of Ductility. Ductility is a dimensionless quantity commonly defined as the ability of a material to deform easily upon the application of a tensile force, or as the ability of a material to withstand plastic deformation without rupture.
Ductility is a dimensionless quantity commonly defined as the ability of a material to deform easily upon the application of a tensile force, or as the ability of a material to withstand plastic deformation without rupture. Ductility is an important factor in allowing a structure to survive extreme loads, such as those due large pressure changes, earthquakes and hurricanes, without experiencing a sudden failure or collapse. It is defined as:
In case of tension test, ductility is measured by a percent reduction in area. It measures the amount of necking (or change in cross-sectional area) that occurs prior to the ultimate failure as follows:
References:
Materials Science:
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