Page 183 - Biaxial Multiaxial Fatigue and Fracture

TABLE 1: Test matrix and interaction fatigue data for Haynes 188 at 538°C.

First Load Level; v = 0.5 Hz Second Load Level; v = 0.1 Hz
AEI AOI Om1 A~I A'CI Tml nl AE2 Om2 AYZ ATz 7m2 n2 Crack*
Specimen
(MPa) (MPa) (MPa) (MPa) (Cycles) (MPa) (MPa) (MPa) (MPa) (Cycles) Orientation
Axi al/Ax i a1
HYII-103 0.0067 811 -9 ... ... ... 3926 0.0203 1254 -14 ... ... ... 789 75"
HYII-116 0.0066 849 -6 ... ... ... 7851 0.0202 1247 -14 ... ... ... 758 80"
HYII-119 0.0066 882 -10 ... ... ... 15702 0.0203 1244 -11 ... ... ... 659 85"
HYII-114 0.0066 905 -9 ... .*. ... 23553 0.0205 1267 -12 ... ... ... 815 90" b
TorsionITorsion tu
0
HYII-117 ... ... ... 0.0120 515 -1 5857 ... ... ... 0.0345 731 1 1250 0" 5
HYII-112 ... ... ... 0.0120 536 0 11714 ... ... ... 0.0349 740 1 1101) 0" 8
HYII-115 ... ... ... 0.0119 554 1 23427 ... ... ... 0.0346 731 0 816 0" &
HYII- 109 ... ... ... 0.0121 521 0 23427 ... ... ... 0.0347 709 2 1343 0" $
HYII-118 ... ... ... 0.0119 588 0 35141 ... ... ... 0.0347 748 0 1467 0" 9
HYII-104 ... ... ... 0.0120 579 -2 40998 ... ... ... 0.0349 732 -2 1294 0" 5
AxiaVTorsion E
HYII-110 0.0069 841 -10 ... ... ... 3926 ... ... ... 0.0348 781 2 1189 0" 5
HYII-Ill 0.0069 862 -8 ... ... ... 7851 ... ... ... 0.0347 761 0 1218 5"
HM-IO8 0.0065 892 -8 ... ... ... 15702 ... ... ... 0.0344 794 1 930 0"
HYII-105 0.0066 888 -9 ... ... ... 23553 ... ... ... 0.0346 783 2 1253 0"
Torsion/Axial
HYII-120 ... ... ... 0.0121 498 0 5857 0.0201 1400 -15 ... ... ... 560 90"
HYII- 107 ... ... ... 0.0120 523 -1 11714 0.0203 1414 -16 ... ... ... 494 90"
HYII-106 ... ... ... 0.0119 540 0 23427 0.0200 1432 -20 ... ... ... 459 7s
HYII-113 ... ... ... 0.0119 581 -1 35141 0.0204 1452 -18 ... ... ... 427 80"
* Angle measured with respect to the specimen axis.