# Note! Periodic Overload results at long life ! # SAE9310 ThruCarburized Simul. Case, HRc=59 # AISI bar group Iter 169, Axial Specimens, Const. Ampl., # Gerdau Ht 1M66046 ElecFurn VacDegas LadleRefined # RotaryCast, HotRoll to 40mm bar # Original Chem: 0.12C .62Mn .007P .014S .19Si .16Cu 3.12Ni # 1.11Cr .09Mo .003V .022Al .0002B .008Sn 66ppm_N # Surface Carbon after H.T.= 0.60wt%, 0.2inch deep = 0.30wt%C # Retained Austenite= 23.4% See Cryderman Report of 2017 # Tested by D.Gaia UWaterloo 2015 #FileType= strain_life #DataType= raw #Name= SAE9310 #Name= aisiIter169 #Name= ThruCarburized #Stress_units= MPa #Strain_units= strain #Sy= 764. #Su= 1019. #eu= 0.0094 #E= 199000 #%RA= 37. #monotonic_K= 4312. #monotonic_n= 0.273 #TrueFractureStress= 1019 #TrueFractureStrain= 0.0094 #MaterialForm= bar #FailureDef= 50% load drop #BHN= 634, Rockwell C= 59 #TotStrAmpl 2Nf StsAmpl So PlasStrAmpl InitialEmod 0.007850 226 1397 0.0 0.000830 199000 0.008009 1200 1494 0.0 0.000590 199000 0.005900 2028 1117 0.0 0.000290 199000 0.005210 3540 994 0.0 0.000210 199000 0.006520 3572 1195 0.0 0.000520 199000 0.005980 4132 1134 0.0 0.000280 199000 0.004740 8734 915 0.0 0.000150 199000 #0.005310 10500 1014 0.0 0.000220 199000 #0.005360 12774 982 0.0 0.000430 199000 #Tests above are constant amplitude #Tests below are periodic overload tests 0.002 17657 400 0 0 199000 0.0018 24648 360 0 0 199000 0.0016 26542 320 0 0 199000 0.0014 48068 280 0 0 199000 0.0012 47187 240 0 0 199000 0.001 88169 200 0 0 199000 0.0008 686549 160 0 0 199000 0.00075 769874 150 0 0 199000 0.0007 5150713 140 0 0 199000 0.00065 540441 130 0 0 199000 0.00065 680466 130 0 0 199000 0.0006 10000000 120 0 0 199000 #runout # #