Issue 21

D. Croccolo et alii, Frattura ed Integrità Strutturale, 21 (2012) 13-20; DOI: 10.3221/IGF-ESIS.21.02 18 (a) (b) (c) Figure 6 : Axial stress amplitude diagrams (Total stress amplitude: a) OH; b) I06; c) I2).