Crack Paths 2012

Crack Growth Direction

InterMgroandulear

Test

Threshold

Mioxdede

R=0.1

End

(a)

Threshold

Mioxdeed

InterMgraonudlaer

Test

R=0.1

End

(b)

Threshold

Test

R=0.1

End

Threshold

Region

Region III

II

(c)

R=0.1

Threshold

Mioxdede

ThMroudghe-

Test

End

1 m m

Threshold

Region II

Region III

(d)

Figure 7: Fracture surface profiles of: (a) cast A535-F, (b) wrought 6061-T6, (c) beta-annealed

Ti

6Al-4V, and (d) mill-annealed Ti-6Al-4V alloys tested at R=0.1.

856