If a workpiece is subjected to pressure, tension, cold or heat, it deforms. The elongation is called positive strain or elongation. If a shortening of the workpiece occurs, this is called negative strain or compression.

The maximum strain until the material breaks under load is determined by the tensile test.

See also


Elasticity is a material property that provides information about the ability of materials to withstand stress.

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The forgeability of steel depends on the carbon content but also on various alloying elements.

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The hardness defines the mechanical resistance that the material is able to withstand mechanical impact of other materials.

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