Fatigue Crack Paths 2003

1 2

l

i

i

l

Ma:18'91 Nm,R=-1

1862Asteel

1

Kt= 3.27

2 Kt= 3.53

8.4.4.17

A

8-105

1.2106

N (cycles)

Figure 5. Fatigue crack growth versus a numberof cycles for M a= 18.91 N m

for various stress concentrators.

1 2

l

l

l

l

l

l

l

l

Ma: 35.67 Nm, R = -1

1862Asteel

H 1

K 5 3 5 3

* U 2 Kt=1.66

U I

v

u

8 M a1 A£ M a g2

L

/

E

A M

i

A M

2

I

U M SUEDE

0 A l

l

j

j

l

0

5-104

1-105

1.5-105

2-105

2.5405

N(cyc|es)

Figure 6. Fatigue crack growth versus a numberof cycles for M a= 35.67 N m

for various stress concentrators.