The high work coil current ( typically tens or hundreds of thousands of amperes ) creates ultrastrong magnetic forces that easily overcome the yield strength of the metal work piece, causing permanent deformation.
22.
Other means of creating this result were conjectured to include physical stunting by breaking or dislocating bones, and forcible constrainment, whereby growth was inhibited for a long enough period to create permanent deformation.
23.
It must eventually fail once the forces exceed some limit, since no material can be compressed beyond a certain minimum size, or stretched beyond a maximum size, without some permanent deformation or change of state.
24.
Other features of this style of clamp include : narrow band widths, intended to provide a concentrated compression of the hose or tube; and tamper resistance, due to the permanent deformation of the clamp s ear.
25.
Furthermore, experimental results obtained using these measurement methods has shown that the hardness number can be used to predict the stress required to permanently deform steel, a characteristic that fits in well with our idea of resistance to permanent deformation.