# # SAE4120(Mod) Quench+Temper Simul. 1700F Carb. Core HRc=42.6 # Four Pt bending tests of AISI 4120(Mod) Steel Iter.207 # Original Chem: .20C .83Mn .009P .008S .31Si .85Cr .15Ni .20Mo # .20Cu .040Al .0006Ca .0010Pb # Stress converted from loads using Mc/I analysis # Moment arm of load couple is 2 inch. I =0.00065104 in^4 # There were mean loads observed during testing # Tested W.Liang, UWaterloo 2018 #FileType= strain_life #DataType= raw #Name= AISI4120(mod)Steel #Name= BendingSample #Name= Iter207 #Stress_Units= ksi #Strain_Units= strain #Sy= 0 #Su= 0 #E= 28041. #monotonic_K= 0 #monotonic_n= 0. #MaterialForm= bar #FailureDef= 50% load drop #BHN= 396 from HRc=42.6 #Note!: StressAmp below is bending stress, iniEmod=Sts/Str #StrAmp 2Nf StsAm So PlsStr iniEmod 0.009780 4446 216 0 0 22110 0.006810 5376 208 0 0 30590 0.007000 6210 209 0 0 29863 0.007055 9210 188 0 0 26704 0.007340 12510 190 0 0 25864 0.006045 21680 168 0 0 27871 0.005045 32870 157 0 0 31160 0.005390 35480 159 0 0 29477 0.004255 68270 142 0 0 33335 0.004225 97240 128 0 0 30277 0.003265 193808 110 0 0 33813 0.003985 225730 105 0 0 26319 0.003190 399350 98 0 0 30846 0.003591 495376 97 0 0 27138 0.003180 507770 96 0 0 30038 0.003178 2000000 95 0 0 29755 #runout 0.002910 2000000 82 0 0 28041 #runout 0.002910 2000000 82 0 0 28124 #runout # #