Page 155 - Biaxial Multiaxial Fatigue and Fracture

140 R.P KAUFMAN AND TH. TOPPER

900
I
800
u
E
$ 700
a
>,
$ 600
C
ii:
'
0
.- o 500
= U
400
300 4 I
1.00E+02 1.00E+03 1.00E+04 1.00E+05 1 .WEN6
Fatigue Life
I o OMeanStress Tensile Mean Stress
A Compressive Mean Stress -Regression
- .2x - -2x
- - t5x - - a5x

Fig. 14. Modified Findley parameter versus fatigue life for BHN 456.

3M) _. __ . .." . . , , ... _. . . . __ . . . . . ,
i
!
280
,\ !
3 260 I
L
E
5 240
a
%
g 220
c
ii
'
U
.- a, 200
= U
180
1 60
140
1.00E+03 1.00E1-04 1 .OOE+OS 1.00E46 1.00E+07 1 .WE48
Fatigue Life
o OMeanStress Tensile Mean Stress
- -
A Compressive Mean Stress -Regression
'2X
-2x
Fig. 15. Modified Findley parameter versus fatigue life for BHN 203.