![Figure 4](/ServeContent?url=http%3A%2F%2Fdbm.sagepub.com%2Fcontent%2F1%2F1%2F613142%2FF4.medium.gif)
Figure 4
The NiTi 0.014 wire unloading scheme in three-point configuration. The side points are stationary and the midpoint is mobile. The forces acting in the system are indicated by the arrows; α designates the deflection angle.