Traditional Mechanical Testing

One of the most common mechanical test methods is the tensile test. The tensile test increases a tensile load in one direction, usually until fracture occurs. The load can be applied in tension, compression or shear.

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Schematic of a tensile test sample

The resulting stress-strain curve is used to determine mechanical properties like elastic modulus, yield strength and fracture toughness. 

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Schematic of Hooke's Law

A traditional hardness test measures a material’s resistance to localized plastic deformation. Hardness tests are the most common mechanical test and typically are non-destructive for bulk materials. As dimensions shrink, the residual impression from a hardness test may alter the material properties. Standard microhardness testing is available for small or thin samples.


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