Mechanical testing of metallic materials. Bending test.
The bending test is carried out to determine the characteristics of materials limited to the range of elastic deformations; it can also be carried out to determine or verify the load corresponding to a given permanent deflection of the test piece or, conversely, the permanent deflection corresponding to a given load. In the case of brittle materials or materials that do not show appreciable permanent deformation up to the moment of failure, the bending test verifies or determines the deflection and the load at the moment of failure of the test piece. In the case of materials that bend without breaking, the bending test verifies or determines the deflection corresponding to the maximum load reached during the test.
