Issue34

B. Žužek et alii, Frattura ed Integrità Strutturale, 34 (2015) 160-168; DOI: 10.3221/IGF-ESIS.34.17 166 6, where image A presents CCC specimen with more smoother surface in the crack propagation zone and image B presents ESR specimen with rougher and sharper fractured surface. The region of crack propagation zone is marked with black dot (Fig. 6). Figure 6 : Macrographic image of fractured surfaces (A) CCC specimen, (B) ESR specimen. Figure 7 : SEM observation of fractured surfaces ( A and C ) CCC specimen, ( B and D ) ESR specimen. D C B A