A Three-Dimensional Strain Rosette Sensor Based on Graphene Composite with Piezoresistive Effect

Figure 13

Measured strains of the 3D strain rosette and strain gauges. (a) Strains of rosette at first loading. (b) Strains of V1, T1, V2, and T2 at first loading. (c) Strains of rosette at second loading. (d) Strains of V1, T1, V2, and T2 at second loading.

(a)

(b)

(c)

(d)