The release of elastic energy of the hammer

The potential energy of the hammer

The lifting of the cross-head bar

The chemical energy of the sample due to a decrease in the temperature

100 N

10 N

50 N

5 N

Reducing the fillet radius (ie, the radius at the base of the change in section) between the middle bearing and the adjoining sections

Redesign to equalize the cross-section of the middle bearing

Surface hardening treatments such as shot peening

Polishing the surface to remove scratches

The need for thermal energy so that materials can change phases

The need for atoms to be thermal activated so that individual atoms can move around a material

The need for dislocations in some crystal structures requiring thermal activation

The need for thermal activation of the valence electrons to be able to bond to different atoms

The diameter of the grip section of the tensile sample

The total length of the tensile sample

The length of the sample that has any reduced diameter compared to the grip section

The diameter of the reduced cross-sectional area section of the tensile sample

The length of the sample with a uniform reduced cross-sectional area