Crack Paths 2009

bI7.5mm,R/W=O,33,q/R=4

( ( 6' i) ) 1

Ii '1

I

I ( ‘ J

/

I I ‘ " .

. .~.-:

. I

I

J _ _ : f " " f

_ / f

I ” .

- j » /

.

f

I

e - 1f- .a

i ,,_ c _ _ __._

a

bI7.5mm,R/WI0.5,ol/RI6

bI7.5mm,R/WI0.5, ol/RI8

Figure 4. Contours mapsof (dW/dV)in vicinity of crack tip of D C D Cspecimen

567

Made with FlippingBook flipbook maker