# # AISI 16MnCr5modified Carburized Case+Core 4pt Bending Const.Ampl. # Original bar Chem.: wt% 0.14C 1.23Mn .011P .035S .21Si 1.04Cr .21Ni # .06Mo .19Cu .021Al .028V .017Cb ND_Ti ND_Zr .01Co .01Sn .0019B ND_Pb # .0003Ca .01W then carburized at 1900F, Surf. HRc= 59.4 # No "fisheye" cracks apparent on any fracture surface. # Stress converted from loads using Mc/I analysis # Moment arm of load couple is 2.5 inch. I =0.00065104 in^4 # There were mean loads observed during testing # Tested by W.H.Liang, U.Waterloo 2018 #FileType= strain_life #DataType= raw #Name= AISI_16MnCr5modSteel #Name= 4PtBendingSample #Name= AISIiter201 #Stress_Units= mpa #Strain_Units= strain #Sy= 0 #Su= 0 #E= 190444 Surface Smax/Epsl.max #monotonic_K= 0 #monotonic_n= 0. #MaterialForm= bar original. #FailureDef= 50% load drop #BHN= 642 on surface converted from HRc=59.44 #StrAmp 2Nf StsAm So PlsStr iniEmod 0.009900 426 1553 0.00 0 156908 0.009100 640 1456 0.00 0 160019 0.009365 960 1425 0.00 0 152178 0.006605 5936 1179 0.00 0 178502 0.006900 9310 1229 0.00 0 178065 0.006625 12004 1189 0.00 0 179524 0.004770 57450 908 0.00 0 190365 0.005085 59120 958 0.00 0 188335 0.005130 74670 918 0.00 0 179022 0.004440 110576 883 0.00 0 198923 0.004560 140240 829 0.00 0 181895 0.004500 151530 887 0.00 0 197190 0.003800 277056 846 0.00 0 222628 0.003795 376820 821 0.00 0 216381 0.003755 1166144 790 0.00 0 210423 0.003430 2000000 745 0.00 0 217094 #runout 0.003205 2000000 668 0.00 0 208456 #runout 0.003160 2000000 670 0.00 0 212079 #runout # #