Testing method in which a loading pin bends the material for any defects to be revealed. Beskrivning The process The material ends are placed on an anvil [1] without being clamped and a loading pin [2] presses the material center down slowly. Its bend continuously until a certain angle, typically 90, 120 or 180 degrees, has been achieved and any defects in the material surface in the bent areas becomes easy to identify in an inspection. Bend testing Process films Advantages and disadvantages In comparison with alternative methods Easy to prepare materials easy to carry Ability to use manufactured materials Do not need many samples Complex distribution of stresses through the object
