IPN - Instituto Pedro Nunes

IPN     IPN Incubadora

Bend test - 3 point method (metallic materials)

What is it?

Mechanical testing is a procedure that includes tests, calculations, charts and consultation of tables in accordance with international standards. The mechanical testing of a material consists of subjecting a finished product or raw material that is to be used or processed industrially to situations which simulate the conditions that will apply during manufacturing and taking the material to its breaking point in order to obtain the mechanical properties.
The bending test consists of the application of a load on the sample mid-way from its supports, thus being called a three-point bending test

What is it used for?

This test is based on the evaluation of the behavior of metals and alloys after folding and may be restricted only to the morphological observation or determination of forces associated with the deformation of the elements tested. With this type of tests, it is intended to observe the behavior of the material to the deformation in flexion and at the same time to verify the susceptibility of the material to failure by rupture.

Equipment and working conditions

The equipment used to perform these tests is a SHIMADZU Autograph, with a load capacity of 100kN.

Example of use

Mechanical tests are used to ensure the quality of raw materials, components and finished products in a wide range of industrial applications, including:
- Construction industry: Determination of mechanical properties of the metallic materials used in construction, as well as various equipment used for safety in works (eg. lifelines, anti-fall nets).
- Automotive industry: Determination and control of the mechanical properties of raw materials used in the manufacture of various automotive components. 
- Determination of the brittleness of the material when required for large deformation.