#
# # Fitted Curve ! #saedigcurve_v2.2.f starts. # SAE1090 Normalized, Aisi Bar Group Iter-006, Rc=26 # ElecFurn, ConCast_152x152mm HotRoll to 15.9mmBar, Normalized 1650F # 100% Pearlite, Inclus.: TypeA= 0.5, TypeB,C,D not seen # Test: UoWaterloo A.Varvani-Farahani T.Topper, May 1998 #FileType= strain_life #DataType= fitted #Name= SAE1090 #Name= normalized #Name= AisiIt_06 #Stress_units= MPa #Strain_units= strain #Sy= 728.8 #Su= 1090.0 #E= 219000 #monotonic_K= 1780.3 #monotonic_n= 0.162 #LowerYield= 728.8 #UpperYield= 742 #FractureStrain= 0,20 #FractureStress= 966 #%RA= 14. #MaterialForm= bar #FailureDef= 50% load drop #BHN= 259 #Hardness, Rockwell C= 26 #Basic Oxygen= False #Electric Furnace= True #Vacuum Degas= False #Ladle Refined= False #Ingot Cast= False #Continuous Cast= True #Pearlite, %= 100 #Carbon, %= 0.87 #Manganese, %= 0.73 #Phosphorus, %= 0.016 #Sulfur, %= 0.026 #Silicon, %= 0.22 #Copper, %= 0.09 #Nickel, %= 0.05 #Chromium, %= 0.09 #Molybdenum, %= 0.01 #Vanadium, %= 0.03 #Columbium/Niobium, %= 0.01 # SAE1090 AisiIt_06 BHN= 259 Fn= 0 # Monotonic Props. Cyclic Props. #ELAS. MOD.= 31763. KSI, 219. GPA K' = 282.8 KSI, 1950.MPA #YIELD,0.2%= 106. KSI, 729. MPA N' = 0.2091 #ULT. STRG.= 158. KSI, 1090. MPA F. STRG COEF= 200.1 KSI, 1380.MPA #K = 0.0 KSI, 0. MPA F.STRG EXP, b=-0.0957 #N = 0.0000 FAT DUCT COEF= 0.1912 #RED. IN AREA = 14.0 F.DUCT EXP, c=-0.4575 #T. FRAC. STG.= 140.1 KSI, 966. MPA Exp Cyc Yld = 77. Ksi, 532.MPA #T. FRAC. STR.= 0.000 Fit Cyc Yld = 78. Ksi, 535.MPA #No. fatigue data points= 21 # # NOTE!! The Following Points are FITTED DATA:#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. .20 1 966. 0. .1956 219000. #Fitted_point manually 0.01136 1000 710.1 0. 0.00812 219000. #Fitted_point 0.00895 2000 666.0 0. 0.00591 219000. #Fitted_point 0.00667 5000 611.6 0. 0.00388 219000. #Fitted_point 0.00544 10000 573.4 0. 0.00282 219000. #Fitted_point 0.00450 20000 537.5 0. 0.00205 219000. #Fitted_point 0.00359 50000 493.3 0. 0.00134 219000. #Fitted_point 0.00308 100000 462.2 0. 0.00097 219000. #Fitted_point 0.0026 490910 432 0.0 0.00067 219000 #Fitted_point manually 0.0024 10000000 406 0.0 0.00055 219000 #Fitted_point manually #