Flexure Test

Behaviour of materials subjected to simple beam loading. It is also called a transverse beam test with some materials.

Specimen is supported on two knife edges as a simple beam and load is applied at its midpoint. Maximum fibre stress and maximum strain are calculated for increments of load. Results are plotted in a stress-strain diagram, and maximum fibre stress at failure is flexural strength.

Flexural yield strength is reported for materials that do not crack.

Reference

ASTM D790 - Standard Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials

ASTM D2990 - Standard Test Methods for Tensile, Compressive, and Flexural Creep and Creep-Rupture of Plastics

ASTM D797 - Test Method for Rubber Property-Young's Modulus at Normal and Subnormal Temperatures

ISO 178:2010 - Plastics - Determination of flexural properties


See also: Flexural Strength.

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Subjects: Materials