Issue34

K. Tanaka et alii, Frattura ed Integrità Strutturale, 34 (2015) 309-317; DOI: 10.3221/IGF-ESIS.34.33 315 (a) R = 0.1 (b) R = 0.5 Figure 7 : Crack propagation rate correlated to the range of mode I energy release rate. (a) R = 0.1 (b) R = 0.5 Figure 8 : Crack propagation rate correlated to the range of total energy release rate. (a) R = 0.1 (b) R = 0.5 Figure 9 : Relation between crack propagation rate and total energy release rate range divided by Young’s modulus.