# # Fitted Curve! # SAE6150 Q+T to Rc=55, Aisi Iter085 # ElecFurnace, IngotCast 279x330mm, HotRolled to 25.4mm bar # Quenched and tempered, 100%Martensite. No inclusion info given. # Material appears to cyclically harden to elastic condition up # to max test strain ampl. of +-1% strain. Monotonic curve has # plasticity. # Test: UoWaterloo, R.Al-Hammoud, A.Rteil T.Topper, July 2006 # saedigcurve_v2.2.f starts. #FileType= strain_life #DataType= fitted #Name= SAE6150 #Name= AisiIt_85 #Stress_units= MPa #Strain_units= strain #Sy= 1878.2 #Su= 2342.8 #E= 204300 #monotonic_K= 4682.6 #monotonic_n= 0.147 #FractureStrain= 0.024 #FractureStress= 1926. #%RA= 0. #MaterialForm= bar #FailureDef= 50% load drop #Hardness, Rockwell C= 55 #Basic Oxygen= False #Electric Furnace= True #Vacuum Degas= False #Ladle Refined= False #Ingot Cast= True #Continuous Cast= False #Martensite, %= 100 #Carbon, %= 0.51 #Manganese, %= 0.82 #Phosphorus, %= 0.012 #Sulfur, %= 0.026 #Silicon, %= 0.25 #Copper, %= 0.22 #Nickel, %= 0.1 #Chromium, %= 0.96 #Molybdenum, %= 0.03 #Vanadium, %= 0.18 #Aluminum, %= 0.038 # SAE6150 AisiIt_85 BHN= **** Fn= 0 # Monotonic Props. Cyclic Props. #ELAS. MOD.= 29631. KSI, 204. GPA K' = 0.0 KSI, 0.MPA #YIELD,0.2%= 272. KSI, 1878. MPA N' = 0.0000 #ULT. STRG.= 340. KSI, 2343. MPA F. STRG COEF= 453.0 KSI, 3123.MPA #K = 0.0 KSI, 0. MPA F.STRG EXP, b=-0.1109 #N = 0.0000 FAT DUCT COEF= 0.0000 #RED. IN AREA = 0.0 F.DUCT EXP, c= 0.0000 #T. FRAC. STG.= 279.3 KSI, 1926. MPA Exp Cyc Yld = 0. Ksi, 0.MPA #T. FRAC. STR.= 0.024 Fit Cyc Yld = 0. Ksi, 0.MPA #No. fatigue data points= 21 # # NOTE!! The Following Points are <b>FITTED DATA:</b>#NOTE!! Fitted Stress computed using Experm. K' and n' # NOTE!! Due to lack of plasticity all points fitted manually. FAC Aug2009 #Stress_Units= MPa # Total Strain 2Nf Stress Mean Plastic Strain Initial # Amp Amp Stress Amp Elastic Mod. .024 1 1926 0. .0231 204300. #Fitted_point manually 0.0100 374 2001 0.0 0.00000 204300. #Fitted_point manually 0.0050 19280 1028 0.0 0.00000 204300. #Fitted_point manually 0.00324 172720 688 0.0 0.00000 204300. #Fitted_point manually 0.00301 2187246 630 0.0 0.00000 204300. #Fitted_point manually 0.00301 10000000 630 0.0 0.00000 204300. #Fitted_point manually #