# # Fitted Data Curve !! # SAE8615 Thru Hard HRc=20, # Induction Hardened case to simulate a core material # of a carburized specimen/component. # Chem.: 0.11C .84Mn .009P .035S .300Si .14Cu .40Ni # .60Cr .20Mo .005V .002Cb .030Al .007Sn # Electric Furnace, Vacuum Degas, Ladle Refined, ConCast # Then induction hardened to Rc=20 # Bainite 40% Martensite= 50% Ferrite= 10% #FileType= strain_life #DataType= fitted #Name= SAE8615 #Name= InducHard #Name= aisiIt_155 #Stress_Units= mpa #Strain_Units= strain #Sy= 753.2 #Su= 1011.0 #E= 204900 #monotonic_K= 1516.3 #monotonic_n= 0.109 #FractureStrain= 0.953 #FractureStress= 1438 #MaterialForm= bar #FailureDef= 50% load drop #BHN= 226 #Hardness, Rockwell B= 97 #Hardness, Rockwell C= 19.6 #%RA= 61.5 # # NOTE!! The Following Points are <b>FITTED DATA:</b>#NOTE!! Fitted Stress computed using Experm. K' and n' #saedigcurve_v2.2.f starts. #StrAmp 2Nf StsAmp So PlasStr Modulus 0.953 1 1438 0 0.946 204900. #tensileFracture 0.02369 400 869.1 0. 0.01945 204900. #Fitted_manually 0.01582 900 820.4 0. 0.01182 204900. #Fitted_manually 0.01096 1980 774.4 0. 0.00718 204900. #Fitted_manually 0.00721 7000 717.3 0. 0.00371 204900. #Fitted_manually 0.00554 14500 676.7 0. 0.00224 204900. #Fitted_manually 0.00446 27000 638.0 0. 0.00135 204900. #Fitted_manually 0.00356 50000 589.4 0. 0.00068 204900. #Fitted_manually 0.00311 76000 554.3 0. 0.00040 204900. #Fitted_manually 0.00277 130000 520.7 0. 0.00023 204900. #Fitted_manually 0.00245 280000 478.6 0. 0.00011 204900. #Fitted_manually 0.00225 1000000 448.7 0. 0.00006 204900. #Fitted_manually 0.00225 10000000 448.7 0. 0.00006 204900. #Fitted_manually # #