Figure 8
The composite diagram presents a stepwise shape memory process of a rectangular strip, starting with the permanent shape, followed by deformation at 80 degrees Celsius to form the 1st temporary shape with shape fixity at 50 degrees Celsius, further deformation at 120 degrees Celsius to form the 2nd temporary shape with shape fixity at 100 degrees Celsius, and subsequent recovery at 80 degrees Celsius and 120 degrees Celsius returning the strip to the permanent shape, with arrows indicating deformation and recovery stages.Shape-memory behavior of N5 vitrimer sample