#
# # #FileType= strain_life #DataType= fitted #Name= SAE1541 #Name= AisiIt_02 #Stress_units= MPa #Strain_units= strain #Sy= 461.0 #Su= 905.5 #E= 196000 #monotonic_K= 1543.5 #monotonic_n= 0.163 #LowerYield= 461 #UpperYield= 472 #MaterialForm= bar #FailureDef= 50% load drop #BHN= 195 #StrAmp 2Nf StsAmp So CalcPlasStr InitialModulus #Basic Oxygen= True #Electric Furnace= False #Vacuum Degas= False #Ladle Refined= True #Ingot Cast= False #Continuous Cast= True #Pearlite, %= 66 #Ferrite, %= 34 #Carbon, %= 0.42 #Manganese, %= 1.4 #Phosphorus, %= 0.011 #Sulfur, %= 0.1 #Silicon, %= 0.18 #Copper, %= 0.10 #Nickel, %= 0.05 #Chromium, %= 0.07 #Molybdenum, %= 0.01 #Vanadium, %= 0.00 #Columbium/Niobium, %= 0.00 #Aluminum, %= 0.001 #Titanium, %= 0.001 #Calcium, %= 0.00 #Boron, %= 0.0024 #Oxygen, ppm= 20 # SAE1541 AisiIt_02 BHN= 195 Fn= 0 # Monotonic Props. Cyclic Props. #ELAS. MOD.= 28427. KSI, 196. GPA K' = 145.0 KSI, 1000.MPA #YIELD,0.2%= 67. KSI, 461. MPA N' = 0.1210 #ULT. STRG.= 131. KSI, 906. MPA F. STRG COEF= 126.1 KSI, 869.MPA #K = 0.0 KSI, 0. MPA F.STRG EXP, b=-0.0617 #N = 0.0000 FAT DUCT COEF= 0.3149 #RED. IN AREA = 0.0 F.DUCT EXP, c=-0.5102 #T. FRAC. STG.= 0.0 KSI, 0. MPA Exp Cyc Yld = 68. Ksi, 471.MPA #T. FRAC. STR.= 0.000 Fit Cyc Yld = 69. Ksi, 473.MPA #No. fatigue data points= 24 # # NOTE!! The Following Points are FITTED DATA: #NOTE!! Fitted Stress computed using Experm. K' and n' #NOTE!! Manually adjusted fatigue limit points FAC May09 #Stress_Units= MPa # Total Strain 2Nf Stress Mean Plastic Strain Initial # Amp Amp Stress Amp Elastic Mod. 0.31938 1 859.3 0. 0.31500 196000. #Fitted_point 0.22537 2 824.1 0. 0.22117 196000. #Fitted_point 0.14256 5 779.8 0. 0.13858 196000. #Fitted_point 0.10112 10 747.9 0. 0.09730 196000. #Fitted_point 0.07198 20 717.4 0. 0.06832 196000. #Fitted_point 0.04627 50 678.8 0. 0.04281 196000. #Fitted_point 0.03338 100 651.1 0. 0.03006 196000. #Fitted_point 0.02429 200 624.4 0. 0.02110 196000. #Fitted_point 0.01624 500 590.9 0. 0.01322 196000. #Fitted_point 0.01217 1000 566.7 0. 0.00928 196000. #Fitted_point 0.00929 2000 543.5 0. 0.00652 196000. #Fitted_point 0.00670 5000 514.3 0. 0.00408 196000. #Fitted_point 0.00538 10000 493.2 0. 0.00286 196000. #Fitted_point 0.00442 20000 472.9 0. 0.00201 196000. #Fitted_point 0.00353 50000 447.3 0. 0.00125 196000. #Fitted_point 0.00306 100000 428.8 0. 0.00088 196000. #Fitted_point 0.00271 200000 411.0 0. 0.00061 196000. #Fitted_point 0.00236 500000 388.5 0. 0.00038 196000. #Fitted_point 0.00216 1000000 372.2 0. 0.00026 196000. #Fitted_point 0.00200 2000000 356.6 0. 0.00018 196000. #Fitted_point 0.00200 10000000 356.6 0. 0.00018 196000. #Fitted_point Adjusted manually. # #