This accessory for WP 300 makes it possible to carry out tensile experiments on flat specimens. The tensile strength is determined as an important characteristic of a material. Additionally, the fracture strain can be determined as a measure for the material’s toughness.
The accessory contains two specimen holders and two retaining plates, used to hold flat specimens. Both specimen holders are secured to the crossbars of WP 300 using screws. The specimen holders are fitted with undercuts, so that the flat specimens are held securely in place.
In the tensile experiment, a uniaxial state of stress is produced in a standardised specimen. This state of stress is produced by an external load on the specimen in the longitudinal direction via a tensile force. Then a uniform normal stress distribution prevails in the test cross-section of the specimen.
In order to determine the strength of the material, the load on the specimen is slowly and steadily increased, until the specimen breaks.
A set of specimens is included to carry out experiments. The set contains one aluminium sample, one copper sample, one brass sample and one steel sample.