# Note! Periodic overload tests ! # SAE8822 Simulated Carb.(Vac.) Core, Low side Chem. Quenched+Temp. # Axial specimens, Const.Ampl., Martensite= 100% HRc=32 # MacSteelHeat MM23524 ElecFurn. VacDegas LadleRef ConCast # 20.6mm HotRolled Bar # Orig. Chem.: 0.21C .81Mn .02P .026S .26Si .18Cu .46Ni .50Cr # .25Mo .005V .002Colum .031Al .01Sn 15ppm_O # Inclusion: TypeA(sulfide) 1.5T 0.0H TypeB(alumina) 0.5T 0.0H # TypeC(silicate) 0.0T 0.0H TypeD(globular) 1.0T 0.5H # Tested U.Toledo, 2009 #FileType= strain_life #DataType= raw #Name= SAE8822lowSide #Name= AISI-It.102 #Name= Simul.CoreVacuum #Stress_Units= MPa #Strain_Units= strain #Sy= 990.0 #Su= 1334.7 #E= 208800 #%RA= 46.9 #TrueFractureStress= 1542 #TrueFractureStrain= 0.63 #monotonic_K= 2305.7 #monotonic_n= 0.144 #MaterialForm= bar #FailureDef= 50% load drop #BHN= 301 #Hardness, Rockwell C= 32 #StrAmpl 2Nf StsAmp So PlsStr iniEmod 0.019900 200 1162 -2.4 0.014350 209000 #IGL 0.019890 204 1274 -6.8 0.013820 206000 #IGL 0.019970 262 1195 -5.1 0.014280 210000 #IGL 0.009990 2134 1066 -16.0 0.004910 210000 #IGL 0.010000 2248 932 -5.8 0.005520 210000 #IGL 0.009990 2456 881 -9.7 0.005790 208000 #IGL 0.006000 11062 962 23.6 0.001350 212000 #IGL 0.005990 11688 868 19.5 0.001860 208000 #IGL 0.005980 11892 911 7.0 0.001640 208000 #IGL 0.004020 52936 771 0.0 0.000340 206000 #IGL 0.004000 58530 773 0.0 0.000320 207000 #IGL 0.004000 85650 770 0.0 0.000330 208800 #IGL #0.003400 125466 676 0.0 0.000000 208800 #IGL #0.003350 144000 676 0.0 0.000000 208800 #IGL #0.003350 184000 676 0.0 0.000000 208800 #IGL #0.002750 845868 572 0.0 0.000000 208800 #IGL #0.002750 10000000 572 0.0 0.000000 208800 #Runout #0.002750 10000000 572 0.0 0.000000 208800 #Runout #Tests above are Const.Ampl. A "#" in first column #removes the point from analysis and plotting. #Tests below are Periodic overload 0.0027 89328 545 425 0.00046 208300 0.00265 89248 530 508 0.00033 202500 0.00285 100828 576 265 0.00033 204800 0.002 161452 407 662 0.0006 207200 0.0015 472728 303 914 0.00049 206400 0.0015 418582 303 710 0.00064 204800 0.00155 561668 317 522 0.00034 205600 #typo 317 corrected 0.00125 1164232 253 527 0.0004 203500 0.001 3531594 203 833 0.00064 207200 0.001 3553640 200 961 0.00056 205000 0.00101 4709378 211 626 0.00028 205200 # #