Research Article

Generation of R-Curve from 4ENF Specimens: An Experimental Study

Table 4

Influence of hydrostatic pressure on mode I and mode II delamination toughness [29].

Initiation (5% max)Propagation ( = 55 mm)

Pressure (bar)43009004300900
Average mode I delamination toughness, (J/m2)406397363766719682
Average mode II delamination toughness, (J/m2)15481842181294411651285