# AISI Bar Group Fatigue Test Series #MaterialForm= bar #FileType= strain_life #DataType= fitted #Name= SAE1541steel #Name= Iter001 #Name= Normalized, 1650F #Units= MPa #E= 206824 #Process= Normalized, 1650F #Iter= 1 #Fat.Str_@10**6Cycles= 260. #Sy= 471.2 #Su= 783.2 #%RA= 55.1 #ELong= 38.7 #BHN= 180 #Hardness, Rockwell B= 91 #FailureDef= 50% load drop #Total Strain Amplitude, 2Nf, Stress Amplitude, Mean Stress, Calculated Plastic Strain Amplitude, Initial Elastic Modulus #Basic Oxygen= True #Electric Furnace= False #Vacuum Degas= False #Ladle Refined= True #Ingot Cast= False #Continuous Cast= True #Pearlite, %= 71 #Ferrite, %= 29 # SAE1541ste Iter001 BHN= 180 Fn= 0 # Monotonic Props. Cyclic Props. #ELAS. MOD.= 29997. KSI, 207. GPA K' = 192.0 KSI, 1324.MPA #YIELD,0.2%= 68. KSI, 471. MPA N' = 0.1756 #ULT. STRG.= 114. KSI, 783. MPA F. STRG COEF= 143.9 KSI, 992.MPA #K = 0.0 KSI, 0. MPA F.STRG EXP, b=-0.0783 #N = 0.0000 FAT DUCT COEF= 0.1933 #RED. IN AREA = 55.1 F.DUCT EXP, c=-0.4457 #T. FRAC. STG.= 0.0 KSI, 0. MPA Exp Cyc Yld = 64. Ksi, 445.MPA #T. FRAC. STR.= 0.000 Fit Cyc Yld = 61. Ksi, 423.MPA #No. fatigue data points= 23 # # NOTE!! The Following Points are <b>FITTED DATA:</b> #NOTE!! Fitted Stress computed using Experm. K' and n' #Stress_Units= MPa # Total Strain 2Nf Stress Mean Plastic Strain Initial # Amp Amp Stress Amp Elastic Mod. 0.19811 1 910.3 0. 0.19371 206824. #Fitted_point 0.14648 2 864.5 0. 0.14230 206824. #Fitted_point 0.09858 5 807.5 0. 0.09468 206824. #Fitted_point 0.07328 10 766.8 0. 0.06958 206824. #Fitted_point 0.05466 20 728.3 0. 0.05114 206824. #Fitted_point 0.03735 50 680.3 0. 0.03406 206824. #Fitted_point 0.02817 100 646.2 0. 0.02505 206824. #Fitted_point 0.02140 200 613.8 0. 0.01843 206824. #Fitted_point 0.01507 500 573.6 0. 0.01229 206824. #Fitted_point 0.01169 1000 544.9 0. 0.00906 206824. #Fitted_point 0.00918 2000 517.8 0. 0.00668 206824. #Fitted_point 0.00681 5000 484.1 0. 0.00447 206824. #Fitted_point 0.00552 10000 460.1 0. 0.00330 206824. #Fitted_point 0.00455 20000 437.3 0. 0.00244 206824. #Fitted_point 0.00361 50000 409.1 0. 0.00164 206824. #Fitted_point 0.00309 100000 389.0 0. 0.00121 206824. #Fitted_point 0.00268 200000 369.9 0. 0.00090 206824. #Fitted_point 0.00228 500000 346.0 0. 0.00060 206824. #Fitted_point 0.00204 1000000 329.0 0. 0.00045 206824. #Fitted_point 0.00184 2000000 312.8 0. 0.00033 206824. #Fitted_point 0.00163 5000000 292.4 0. 0.00022 206824. #Fitted_point 0.00151 10000000 277.8 0. 0.00016 206824. #Fitted_point 0.00139 20000000 263.8 0. 0.00012 206824. #Fitted_point 0.00127 50000000 246.2 0. 0.00008 206824. #Fitted_point 0.00119 100000000 233.6 0. 0.00006 206824. #Fitted_point 0.00111 200000000 221.5 0. 0.00004 206824. #Fitted_point 0.00103 500000000 206.5 0. 0.00003 206824. #Fitted_point 0.00097 1000000000 195.7 0. 0.00002 206824. #Fitted_point #