# # Fitted Curve #FileType= strain_life #DataType= fitted #Name= SAE41B17M_(PS19) #Name= AisiIt_78 #Name= PS19_steel #Stress_units= MPa #Strain_units= strain #Sy= 863.1 #Su= 904.0 #E= 208000. # = initial average. Reported as 216000 #monotonic_K= 1060.2 #monotonic_n= 0.038 #LowerYield= 860.9 #UpperYield= 864.1 #MaterialForm= bar #FailureDef= 50% load drop #Hardness, Rockwell C= 30 #BHN= 286 #originally reported as 277 (assumed Rc=30 is corrected) #Basic Oxygen= False #Electric Furnace= True #Vacuum Degas= False #Ladle Refined= True #Ingot Cast= True #Continuous Cast= False #Martensite, %= 100 #Carbon, %= 0.19 #Manganese, %= 1.13 #Phosphorus, %= 0.01 #Sulfur, %= 0.02 #Silicon, %= 0.27 #Copper, %= 0.23 #Nickel, %= 0.11 #Chromium, %= 0.52 #Molybdenum, %= 0.12 #Vanadium, %= 0.01 #Columbium/Niobium, %= 0.00 #Aluminum, %= 0.026 #Lead, %= 0.000 #Titanium, %= 0.047 #Calcium, %= 0.00 #Cobalt, %= 0.010 #Zirconium, %= 0.000 #Boron, %= 0.0026 #Tin, %= 0.010 #Nitrogen, ppm= 85 # SAE41B17M_ AisiIt_78 BHN= 277 Fn= 0 # Monotonic Props. Cyclic Props. #ELAS. MOD.= 30168. KSI, 208. GPA K' = 139.2 KSI, 960.MPA #YIELD,0.2%= 125. KSI, 863. MPA N' = 0.0677 #ULT. STRG.= 131. KSI, 904. MPA F. STRG COEF= 148.6 KSI, 1025.MPA #K = 0.0 KSI, 0. MPA F.STRG EXP, b=-0.0540 #N = 0.0000 FAT DUCT COEF= 2.6260 #RED. IN AREA = 0.0 F.DUCT EXP, c=-0.7970 #T. FRAC. STG.= 0.0 KSI, 0. MPA Exp Cyc Yld = 91. Ksi, 630.MPA #T. FRAC. STR.= 0.000 Fit Cyc Yld = 95. Ksi, 653.MPA #No. fatigue data points= 15 # # NOTE!! The Following Points are <b>FITTED DATA:</b> #NOTE!! Fitted Stress computed using Experm. K' and n' #NOTE!! Fatigue limit points fitted manually. FAC may09 #Stress_Units= MPa # Total Strain 2Nf Stress Mean Plastic Strain Initial # Amp Amp Stress Amp Elastic Mod. 2.63093 1 1036.1 0. 2.62595 208000. #Fitted_point 1.51617 2 999.9 0. 1.51137 208000. #Fitted_point 0.73271 5 954.0 0. 0.72812 208000. #Fitted_point 0.42347 10 920.7 0. 0.41904 208000. #Fitted_point 0.24542 20 888.5 0. 0.24115 208000. #Fitted_point 0.12021 50 847.7 0. 0.11614 208000. #Fitted_point 0.07074 100 818.0 0. 0.06680 208000. #Fitted_point 0.04220 200 789.4 0. 0.03841 208000. #Fitted_point 0.02207 500 753.0 0. 0.01845 208000. #Fitted_point 0.01407 1000 726.5 0. 0.01058 208000. #Fitted_point 0.00941 2000 700.8 0. 0.00604 208000. #Fitted_point 0.00607 5000 667.8 0. 0.00286 208000. #Fitted_point 0.00470 10000 643.5 0. 0.00161 208000. #Fitted_point 0.00387 20000 619.4 0. 0.00089 208000. #Fitted_point 0.00322 50000 587.8 0. 0.00039 208000. #Fitted_point 0.00292 100000 563.9 0. 0.00021 208000. #Fitted_point 0.00271 200000 540.5 0. 0.00011 208000. #Fitted_point 0.00250 500000 511.0 0. 0.00004 208000. #Fitted_point 0.00238 1000000 490.2 0. 0.00002 208000. #Fitted_point .0023 2000000 452. 3.8 0.0 205000. #Fitted_point manually .0023 10000000 452. 3.8 0.0 205000. #Fitted_point manually #