Bend Fixture

TA Instruments ElectroForce bend fixtures are often used to imitate real world conditions. Bending is particularly critical for layered materials where the shear stress is likely to introduce a delamination failure. The bending deformation mode creates unique stress states combining tensile and compressive stresses on the surfaces and shear stresses within the sample.

In this mode, the sample is deformed around three- or four-point contacts at both ends and near its middle. It isconsidered a “pure” mode of deformation as the sample is freely supported by fulcrums eliminating clamping effects.