Deformation Fields Measurement of Crack Tip under High-Frequency Resonant Loading Using a Novel Hybrid Image Processing Method

Figure 13

Y-direction strain fields at characteristic load values within one stress cycle with 5.79mm crack.

(a) 12.0kN

(b) 14.3kN

(c) 15.2kN

(d) 14.3kN

(e) 12.0kN

(f) 9.70kN

(g) 8.80kN

(h) 9.70kN

(i) 12.0kN