Page 187 - Biaxial Multiaxial Fatigue and Fracture
P. 187
Sequenced Axial and Torsional Cumulative Fatigue: ..
171
1 00 10' 1 02 1 03 104 105
Number of Cycles, n,
(c) axialJtorsion
-
a
a
E.
a'
s
TSI
c
a
[r
u)
u)
E
6-3
z
a,
r
(I)
1 00 10' 1 02 103 104 105
Number of Cycles, n1
(d) torsiodaxial
Fig. 1. First load level cyclic stress response for: (a) axial/axial, (b) torsionltorsion, (c)
axidtorsion, and (d) torsion/axial cumulative fatigue experiments