Crack Paths 2006

1

cycle

10

cycles

100

cycles

1000

cycles

Figure 5. Crack path analysis. 0.5% Pb Figure 6. Crack path analysis. 1 %Pb

2340

% P b = 0 . 015

[acr m m ]

% P b = 1 . 0

c k s /

10

1

10

100

1000

Cyclesnumber

Figure 7. Damagelevel (G phase).